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  • 2000-2004  (338,052)
  • 2000  (338,052)
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  • 1
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    Abundance of calcareous dinoflagellates of sediment cores from the South Atlantic Ocean (2000)
    PANGAEA
    In:  Supplement to: Esper, Oliver; Zonneveld, Karin A F; Höll, Christine; Karwath, Britta; Schneider, Ralph R; Vink, Annemiek; Weise-Ihlo, Ilka; Willems, Helmut (2000): Reconstruction of palaeoceanographic conditions in the South Atlantic Ocean at the last two Terminations based on calcareous dinoflagllate cysts. International Journal of Earth Sciences, 88(4), 680-693, https://doi.org/10.1007/s005310050297
    Details
    Publication Date: 2024-06-26
    Description: Despite the increasing interest in the South Atlantic Ocean as a key area of the heat exchange between the southern and the northern hemisphere, information about its palaeoceanographic conditions during transitions from glacial to interglacial stages, the so-called Terminations, are not well understood. Herein we attempt to increase this information by studying the calcareous dinoflagellate cysts and the shells of Thoracosphaera heimii (calcareous cysts) of five Late Quaternary South Atlantic Ocean cores. Extremely high accumulation rates of calcareous cysts at the Terminations might be due to a combined effect of increased cyst production and better preservation as result of calm, oligotrophic conditions in the upper water layers. Low relative abundance of Sphaerodinella albatrosiana compared with Sphaerodinella tuberosa in the Cape Basin may be the result of the relatively colder environmental conditions in this region compared with the equatorial Atlantic Ocean with high relative abundance of S. albatrosiana. Furthermore, the predominance of S. tuberosa during glacials and interglacials at the observed site of the western Atlantic Ocean reflects decreased salinity in the upper water layer.
    Keywords: Brazil Basin; Cape Basin; Equatorial Atlantic; GeoB; GeoB1105-4; GeoB1117-2; GeoB1214-1; GeoB2204-2; GeoB3603-2; Geosciences, University of Bremen; Gravity corer (Kiel type); M12/1; M23/3; M34/1; M9/4; Meteor (1986); SFB261; SL; South Atlantic in Late Quaternary: Reconstruction of Budget and Currents; Southern Cape Basin
    Type: Dataset
    Format: application/zip, 3 datasets
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  • 2
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    Physical properties of sediment cores from the Iberian Continental Slope (2000)
    PANGAEA
    In:  Supplement to: Heilemann, Kristina (2000): Hydrodynamische Änderungen des Mittelmeerausstromwassers und deren Abbildung in den Sedimenten des Iberischen Kontinentalhangs. PhD Thesis, Mathematisch-Naturwissenschaftliche Fakultät der Christian-Albrechts-Universität zu Kiel, Germany, 88 pp, urn:nbn:de:gbv:8-diss-4229
    Details
    Publication Date: 2024-06-26
    Description: Climatic changes cause alterations in circulation patterns of the world oceans. The highly saline Mediterranean Outflow Water (MOW), built within the Mediterranean Sea crosses the Strait of Gibraltar in westerly directions, turning north-westward to stick to the Iberian Slope within 600-1500m water depths. Circulation pattern and current speed of the MOW are strongly influenced by climatically induced variations and thus control sedimentation processes along the South- and West - Iberian Continental Slope. Sedimentation characteristics of the investigated area are therefore suitable to reconstruct temporal hydrodynamic changes of the MOW. Detailed investigations on the silt-sized grain distribution, physical properties and hydroacoustic data were performed to recalculate paleo-current-velocities and to understand the sedimentation history in the Golf of Cadiz and the Portuguese Continental Slope. A time model based on d18Odata and 14C-datings of planktic foraminifera allowed the stratigraphical classification of the core material and thus the dating of the current induced sediment layers showing the variations of paleo-current intensities. The evaluation and interpretation of the gathered data sets enabled us to reconstruct lateral and temporal sedimentation patterns of the MOW for the Holocene and the late Pleistocene, back to the Last Glacial Maximum (LGM).
    Keywords: GEOMAR; Giant box corer; GKG; Gravity corer (Kiel type); Gravity corer (Russian type); Helmholtz Centre for Ocean Research Kiel; M39/1; M39/1_02-5; M39/1_02-6; M39/1_03-3; M39/1_04-3; M39/1_08-3; M39/1_15-3; M39/1_16-3; M39/1_17-3; M39/1_18-2; M39/1_22-4; M39/1_29-4; M39/1_29-7; M39/1_29-8; M39/1_36-2; M39/1_36-4; M39/1_37-1; M39/1_58-2; M39/1_59-2; M39008-3; M39016-3; M39017-3; M39022-4; M39029-4; M39029-7; M39029-8; M39036-2; M39058-2; M39059-2; Meteor (1986); RGC; SL
    Type: Dataset
    Format: application/zip, 18 datasets
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  • 3
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    Aragonite distribution and preservation of sediment cores from the Brazilian Continental Slope (2000)
    PANGAEA
    In:  Supplement to: Gerhardt, Sabine; Groth, H; Rühlemann, Carsten; Henrich, Rüdiger (2000): Aragonite preservation in late Quaternary sediment cores on the Brazilian Continental Slope: implications for intermediate water circulation. International Journal of Earth Sciences, 88(4), 607-618, https://doi.org/10.1007/s005310050291
    Details
    Publication Date: 2024-06-26
    Description: We present late Quaternary records of aragonite preservation determined for sediment cores recovered on the Brazilian Continental Slope (1790-2585 m water depth) where North Atlantic Deep Water (NADW) dominates at present. We have used various indirect dissolution proxies (carbonate content, aragonite/calcite contents, and sand percentages) as well as gastropodal abundances and fragmentation of Limacina inflata to determine the state of aragonite preservation. In addition, microscopic investigations of the dissolution susceptibility of three Limacina species yielded the Limacina Dissolution Index which correlates well with most of the other proxies. Excellent preservation of aragonite was found in the Holocene section, whereas aragonite dissolution gradually increases downcore. This general pattern is attributed to an overall increase in aragonite corrosiveness of pore waters. Overprinted on this early diagenetic trend are high-frequency fluctuations of aragonite preservation, which may be related to climatically induced variations of intermediate water masses.
    Keywords: Brazil Basin; GeoB2204-1; GeoB2204-2; GeoB2205-4; GeoB2207-2; Gravity corer (Kiel type); M23/3; Meteor (1986); MUC; MultiCorer; SFB261; SL; South Atlantic in Late Quaternary: Reconstruction of Budget and Currents
    Type: Dataset
    Format: application/zip, 7 datasets
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  • 4
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    Sedimentology of 2 profiles from the Scotia Sea (2000)
    PANGAEA
    In:  Supplement to: Diekmann, Bernhard; Kuhn, Gerhard; Rachold, Volker; Abelmann, Andrea; Brathauer, Uta; Fütterer, Dieter K; Gersonde, Rainer; Grobe, Hannes (2000): Terrigenous sediment supply in the Scotia Sea (Southern Ocean): response to Late Quaternary ice dynamics in Patagonia and on the Antarctic Peninsula. Palaeogeography, Palaeoclimatology, Palaeoecology, 162(3-4), 357-387, https://doi.org/10.1016/S0031-0182(00)00138-3
    Details
    Publication Date: 2024-06-26
    Description: Geochemical and mineralogical compositions of modern and Late Quaternary marine sediments from the Scotia Sea trace sources and transport paths of terrigenous sediment. We discuss downcore variations of compositional data of two sediment cores from the northern and southern Scotia Sea that correlate with fluctuations in magnetic susceptibility. Sediments were derived from very different sources at both localities, as revealed by contrasting clay-mineral assemblages. However, a common feature is the input of more basic and undifferentiated crustal material with the potential of high magnetic susceptibility during glacial periods, indicated by variable quartz/feldspar ratios and major, trace and rare earth elements. Terrigenous sediments mainly originate from nearby terrestrial sources or are introduced through interbasinal sediment transfer from adjacent seas. The observed temporal compositional variations have to be attributed to changes in the relative detrital contributions from the diverse source areas. Ice-mass extensions in southern Patagonia, on the Antarctic Peninsula and adjacent islands likely control the supply of glaciogenic detritus to the open ocean during times of glacial expansion, diluting the sediment input of interbasinal origin. Current transport is mainly responsible for sediment dispersal to the pelagic Scotia Sea and may amplify the glaciological source signals during glacial climate periods, because of a stronger wind forcing of the Antarctic Circumpolar Current.
    Keywords: ANT-X/5; ANT-XI/2; AWI_Paleo; Gravity corer (Kiel type); KL; MIC; MiniCorer; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Piston corer (BGR type); Polarstern; PS22/817; PS22 06AQANTX_5; PS2319-1; PS2515-1; PS2515-3; PS28; PS28/378; Scotia Sea; Scotia Sea, southwest Atlantic; SL
    Type: Dataset
    Format: application/zip, 7 datasets
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  • 5
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    Benthic foraminifera assemblages of the Gulf of Aden (2000)
    PANGAEA
    In:  Supplement to: Almogi-Labin, Ahuva; Schmiedl, Gerhard; Hemleben, Christoph; Siman-Tov, R; Segl, Monika; Meischner, Dieter (2000): The influence of the NE winter monsoon on productivity changes in the Gulf of Aden, NW Indian Ocean during the last 530 kyr as recorded by foraminifera. Marine Micropaleontology, 40(3), 295-319, https://doi.org/10.1016/S0377-8398(00)00043-8
    Details
    Publication Date: 2024-06-26
    Description: Benthic and selected planktic foraminifera and stable isotope records were determined in a piston core from the Gulf of Aden, NW Arabian Sea that spans the last 530 ka. The benthic foraminifera were grouped into four principal assemblages using Q-mode Principal Component Analyses. Comparison of each of these assemblages with the fauna of the nearby regions enabled us to identify their specific environmental requirements as a function of variability in food supply and strength of the oxygen minimum zone and by that to use them as indicators of surface water productivity. The benthic foraminiferal productivity indicators coupled with the record of Globigerina bulloides, a planktic foraminifer known to be sensitive to productivity changes in the region, all indicate higher productivity during glacial intervals and productivity similar to present or even reduced during interglacial stages. This trend is opposite to the productivity pattern related to the SW summer monsoon of the Arabian Sea and indicates the role of the NE winter monsoon on the productivity of the Gulf of Aden. A period of exceptionally enhanced productivity is recognized in the Gulf of Aden region between ~60 and 13 kyr indicating the intensification of the NE winter monsoon to its maximal activity. Contemporaneous indication of increased productivity in other parts of the Arabian Sea, unexplained so far by the SW summer monsoon variability, might be related to the intensification of the NE winter monsoon. Another prominent event of high productivity, second in its extent to the last glacial productivity event is recognized between 430 and 460 kyr. These two events seem to correspond to periods of similar orbital positioning of rather low precession (and eccentricity) amplitude for a relatively long period. Glacial boundary conditions seem to control to a large extent the NE winter monsoon variability as also indicated by the dominance of the 100 ka cycle in the investigated time series. Secondary in their importance are the 23 and 41 ka cycles which seem also to contribute to the NE monsoonal variability. Following the identification of productivity events related to the NE winter monsoon in the Gulf of Aden, it is possible now to extend this observation to other parts of the Arabian Sea and consider the contribution of this monsoonal system to the productivity fluctuations preserved in the sedimentary records.
    Keywords: GeoTü; KL; M5/2; M5/2_259KL; M5/2_KL15; Meteor (1986); Paleoceanography at Tübingen University; Piston corer (BGR type)
    Type: Dataset
    Format: application/zip, 8 datasets
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  • 6
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    Sea surface temperature reconstruction for sediment core M35003-4 in the western tropical North Atlantic (2000)
    PANGAEA
    In:  Supplement to: Hüls, Matthias; Zahn, Rainer (2000): Millennial-scale sea surface temperature variability in the western tropical North Atlantic from planktonic foraminiferal census counts. Paleoceanography, 15(6), 659-678, https://doi.org/10.1029/1999PA000462
    Details
    Publication Date: 2024-06-26
    Description: Planktonic foraminiferal census counts are used to construct high-resolution sea surface temperature (SST) and subsurface (thermocline) temperature records at a core site in the Tobago Basin, Lesser Antilles. The record is used to document climatic variability at this tropical site in comparison to middle- and high-latitude sites and to test current concepts of cross-equatorial heat transports as a major player in interhemispheric climate variability. Temperatures are estimated using transfer function and modern analog techniques. Glacial - maximum cooling of 2.5°-3°C is indicated; maximum cooling by 4°C is inferred for isotope stage 3. The SST record displays millennial-scale variability with temperature jumps of up to 3°C and closely tracks the structure of ice-core Dansgaard/Oeschger cycles. SST variations in part of the record run opposite to the SST evolution at high northern latitude sites, pointing to thermohaline circulation and marine heat transport as an important factor driving SST in the tropical and high-latitude Atlantic, both on orbital and suborbital timescales.
    Keywords: GEOMAR; Gravity corer (Kiel type); Helmholtz Centre for Ocean Research Kiel; M35/1; M35003-4; Meteor (1986); SL
    Type: Dataset
    Format: application/zip, 2 datasets
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  • 7
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    Radionuclides of sediment cores and a sediment trap in the Weddell Sea (2000)
    PANGAEA
    In:  Supplement to: Walter, Hans-Jürgen; Rutgers van der Loeff, Michiel M; Hoeltzen, H; Bathmann, Ulrich (2000): Reduced scavenging of 230Th in the Weddell Sea: implications for paleoceanographic reconstructions in the South Atlantic. Deep Sea Research Part I: Oceanographic Research Papers, 47(7), 1369-1387, https://doi.org/10.1016/S0967-0637(99)00094-1
    Details
    Publication Date: 2024-06-26
    Description: The scavenging of 230Th and 231Pa was investigated in the central Weddell Sea by combining results from a sediment trap and three sediment cores. Scavenging of both radionuclides is closely coupled with the annual cycle of particle fluxes. For 230Th the mean radionuclide flux measured in the trap is only 40% of its expected flux from production in the water column. This value is in excellent agreement with the long-term record in the sediment cores (33-43%). Similar results were obtained for 231Pa, although burial fluxes are generally higher. The data suggest that during the last 130 ka the Weddell Sea has been a net source for both radionuclides, with more than half of the 230Th and about half of the 231Pa being exported. As a consequence, 230Th normalized rain rates (assuming a constant flux equal to the production rate) overestimate the true rain rate in the Weddell Sea by 150%. The laterally transported 230Th and 231Pa activity exits the Weddell Sea to the north, where it is incorporated into the eastward flowing Antarctic Circumpolar Current (ACC). There it is scavenged in addition to local production. During its residence time in the S-Atlantic sector of the ACC about 3/4 of the dissolved 230Th imported from the Weddell Sea is transferred onto particles. Whether this particulate 230Th is entirely deposited in the S-Atlantic or is distributed over a larger area extending into the Indian and Pacific sectors of the ACC remains an open question. In the ACC, Th-normalization therefore leads to an underestimation of fluxes, but the effect is probably less than 50%. Interglacial-glacial shifts in the position of the productive belt are believed to cause temporal and regional variations in the depositon rate for 230Th.
    Keywords: ANT-V/4; ANT-VIII/2; AWI_MarGeoChem; AWI_Paleo; AWI208; Giant box corer; GKG; Gravity corer (Kiel type); Marine Geochemistry @ AWI; Mooring (long time); MOORY; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS10; PS10/818; PS10/820; PS10/824; PS1507-3; PS1508-1; PS1509-2; PS16 06AQANTVIII_2; SL; Weddell Sea
    Type: Dataset
    Format: application/zip, 6 datasets
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  • 8
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    Radionuclides in sediment cores of the Atlantic sector of the Southern Ocean (2000)
    PANGAEA
    In:  Supplement to: Frank, Martin; Gersonde, Rainer; Rutgers van der Loeff, Michiel M; Bohrmann, Gerhard; Nürnberg, Christine Caroline; Kubik, Peter W; Suter, Martin; Mangini, Augusto (2000): Similar glacial and interglacial export bioproductivity in the Atlantic sector of the Southern Ocean: multiproxy evidence and implications for atmospheric CO2. Paleoceanography, 15(6), 642-658, https://doi.org/10.1029/2000PA000497
    Details
    Publication Date: 2024-06-26
    Description: We present time series of export productivity proxy data including 230Thex-normalized deposition rates (rain rates) of 10Be, dissolution-corrected biogenic Ba, and biogenic opal as well as authigenic U concentrations which are complemented by rain rates of total (detrital) Fe and sea ice indicating diatom abundances from five sediment cores across the Atlantic sector of the Southern Ocean covering the past 150,000 years. The results suggest that 10Be rain rates and authigenic U concentration cannot serve as quantitative paleoproductivity proxies because they have also been influenced by detrital particle fluxes in the case of 10Be and bulk sedimentation rates (sediment focussing) and deep water oxygenation in the case of U. The combined results of the remaining productivity proxies of this study (rain rates of biogenic opal and biogenic Ba in those sections without authigenic U) and other previously published proxy data from the Southern Ocean (231Pa/230Th and nitrogen isotopes) suggest that a combination of sea ice cover, shallow remineralization depth, and stratification of the glacial water column south of the present position of the Antarctic Polar Front and possibly Fe fertilization north of it have been the main controlling factors of export paleoproductivity in the Southern Ocean over the last 150,000 years. An overall glacial increase of export paleoproductivity is not supported by the data, implying that bioproductivity variations in the Southern Ocean are unlikely to have contributed to the major glacial atmospheric CO2 drawdown observed in ice cores.
    Keywords: ANT-VIII/3; AWI_MarGeoChem; AWI_Paleo; Giant box corer; GKG; Gravity corer (Kiel type); Marine Geochemistry @ AWI; Meteor Rise; MUC; MultiCorer; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS16; PS16/278; PS16/284; PS16/311; PS1754-1; PS1754-2; PS1756-5; PS1756-6; PS1768-1; PS1768-8; SFB261; Shona Ridge; Silicon Cycling in the World Ocean; SINOPS; SL; South Atlantic in Late Quaternary: Reconstruction of Budget and Currents
    Type: Dataset
    Format: application/zip, 6 datasets
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  • 9
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    Dinoflagellate cysts in western equatorial Atlantic surface sediments (2000)
    PANGAEA
    In:  Supplement to: Vink, Annemiek; Zonneveld, Karin A F; Willems, Helmut (2000): Organic-walled dinoflagellate cysts in western equatorial Atlantic surface sediments: Distributions and their relation to environment. Review of Palaeobotany and Palynology, 112(4), 247-286, https://doi.org/10.1016/S0034-6667(00)00046-4
    Details
    Publication Date: 2024-06-26
    Description: In contrast to the wide range of studies carried out in temperate and high-latitude oceanic regions, only a few studies have focused on recent and Holocene organic-walled dinoflagellate cyst assemblages from the tropics. This information is, however, essential for fully understanding the ability of species to adapt to different oceanographic regimes, and ultimately their potential application to local and regional palaeoenvironmental and palaeoceanographic reconstructions. Surface sediment samples of the western equatorial Atlantic Ocean north of Brazil, an area greatly influenced by Amazon River discharge waters, were therefore analysed in detail for their organic-walled dinoflagellate cyst content. A diverse association of 43 taxa was identified, and large differences in cyst distribution were observed. The cyst thanatocoenosis in bottom sediments reflects the seasonal advection of Amazon River discharge water through the Guyana Current and the North Equatorial Countercurrent well into the North Atlantic. To establish potential links between cyst distribution and the environmental conditions of the upper water column, distribution patterns were compared with mean temperature, salinity, density and stratification gradients within the upper water column (0–100 m) over different times of the year, using correspondence analysis and canonical correspondence analysis. The analyses show that differences in these parameters only play a subordinate role in determining species distribution. Instead, nutrient availability, or related factors, dominates the distribution pattern. The only possible indicators of slightly reduced salinities are Trinovantedinium applanatum and Lingulodinium machaerophorum. Four assemblage groups of cyst taxa with similar environmental affinities related to specific water masses/currents can be distinguished and have potential for palaeoenvironmental reconstruction.
    Keywords: Amazon Fan; Amazon Shelf/Fan; Atlantic Caribbean Margin; Bitectatodinium spongium; Brazil Basin; Brigantedinium; Brigantedinium cariacoense; Ceara Rise; Continental slope off Brazil; Counting, dinoflagellate cysts; Dalella chathamensis; DEPTH, sediment/rock; Dinoflagellate cyst indeterminata; Diplopelta symmetrica; Echinidinium aculeatum; Echinidinium delicatum; Echinidinium granulatum; Echinidinium spp.; Echinidinium transparantum; Elevation of event; Equatorial Atlantic; Event label; GeoB; GeoB3809-1; GeoB3810-2; GeoB3812-2; GeoB3822-1; GeoB3825-1; GeoB3826-2; GeoB3827-1; GeoB3906-9; GeoB3908-11; GeoB3909-1; GeoB3910-3; GeoB3911-1; GeoB3912-2; GeoB3913-2; GeoB3914-3; GeoB3916-1; GeoB3918-1; GeoB3925-2; GeoB3935-1; GeoB3936-2; GeoB3937-1; GeoB3938-2; GeoB3939-1; GeoB4306-1; GeoB4311-1; GeoB4319-11; GeoB4401-3; GeoB4404-2; GeoB4408-3; GeoB4412-3; GeoB4417-5; GeoB4418-2; GeoB4423-3; GeoB4424-2; Geosciences, University of Bremen; Guayana continental slope; Impagidinium aculeatum; Impagidinium pallidum; Impagidinium paradoxum; Impagidinium patulum; Impagidinium plicatum; Impagidinium sp.; Impagidinium sphaericum; Impagidinium strialatum; Impagidinium variaseptum; Impagidinium velorum; Latitude of event; Lejeunecysta oliva; Lejeunecysta sabrina; Lingulodinium machaerophorum long; Lingulodinium machaerophorum short; Longitude of event; M34/3; M34/4; M38/1; M38/2; Melitasphaeridium; Meteor (1986); Midatlantic Ridge; Mid Atlantic Ridge; MUC; MultiCorer; Multispinula quanta; Nematosphaeropsis labyrinthus; Nematosphaeropsis lemniscata; Northeast Brasilian Margin; Northern Brasil Basin; Operculodinium; Operculodinium israelianum long; Operculodinium israelianum short; Pentapharsodinium dalei; Pixidinopsis reticulata; Polyspaeridium zoharyi; Protoceratium reticulatum long; Protoceratium reticulatum short; Protoperidinium americanum; Protoperidinium compressum; Protoperidinium nudum; Quenquecuspis concretum; Sample mass; see reference(s); Selenopemphix alticinctum; Slide volume; Spiniferites; Spiniferites bentori; Spiniferites bulloideus; Spiniferites delicatus; Spiniferites hyperacanthus; Spiniferites membranaceus; Spiniferites mirabilis; Spiniferites pachydermus; Spiniferites ramosus; Trinovantedinium capitatum; Tuberculodinium vancampoae; Vema Channel; Votadinium calvum; Votadinium spinosum
    Type: Dataset
    Format: text/tab-separated-values, 1938 data points
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  • 10
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    Stable isotopes, Temperature and foraminifera flux data of trap CB1_trap (2000)
    PANGAEA
    Details
    Publication Date: 2024-06-26
    Keywords: Calculated; Calculated, see reference(s); CB1_trap; DATE/TIME; Date/time end; DEPTH, water; Duration, number of days; Foraminifera, planktic, flux; GeoB; Geosciences, University of Bremen; Globigerinoides ruber white, δ13C; Globigerinoides ruber white, δ18O; Limacina inflata, δ13C; Limacina inflata, δ18O; M6/6; Mass spectrometer Finnigan MAT 251; Meteor (1986); Pt-100 temperature sensor, Honchigo, Japan; Sample code/label; SFB261; South Atlantic in Late Quaternary: Reconstruction of Budget and Currents; Temperature, water; Trap; TRAP
    Type: Dataset
    Format: text/tab-separated-values, 153 data points
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  • 11
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    Geochemistry of sediment core GeoB1023-4 (2000)
    PANGAEA
    Details
    Publication Date: 2024-06-26
    Keywords: Angola Basin; Barium; DEPTH, sediment/rock; Druckaufschluß; GeoB; GeoB1023-4; Geosciences, University of Bremen; Gravity corer (Kiel type); Inductively coupled plasma atomic emission spectroscope (ICP-AES); M6/6; Meteor (1986); SL
    Type: Dataset
    Format: text/tab-separated-values, 61 data points
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  • 12
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    Content of different diatom species in sediment core GIK23400-3 (2000)
    PANGAEA
    Details
    Publication Date: 2024-06-26
    Keywords: Actinocyclus curvatulus; Actinocyclus ochotensis; Actinocyclus octonarius; Asteromphalus robustus; Aulacoseira granulata; Chaetoceros spores; Chaetoceros spp.; Coscinodiscus radiatus; Counting, diatoms; Delphineis sp.; DEPTH, sediment/rock; Diatoms; Diatoms, centrales indeterminata; Diatoms, pennales indeterminata; Giant box corer; GIK23400-3; GKG; Global Environmental Change: The Northern North Atlantic; Hemiaulus sp.; Hyalodiscus spp.; M17/1; Meteor (1986); Navicula spp.; Nitzschia spp.; Norwegian-Greenland Sea; Paralia sulcata; Porosira glacialis; Quaternary Environment of the Eurasian North; QUEEN; Rhizosolenia hebetata forma hiemalis; Rhizosolenia hebetata forma semispina; Rhizosolenia styliformis; SFB313; Stephanopyxis spp.; Thalassionema nitzschioides; Thalassiosira angulata; Thalassiosira anguste-lineata; Thalassiosira antarctica; Thalassiosira bioculata; Thalassiosira eccentrica; Thalassiosira gravida; Thalassiosira hyperborea; Thalassiosira latimarginata; Thalassiosira leptopus; Thalassiosira nordenskioeldii; Thalassiosira spores; Thalassiosira spp.; Thalassiothrix longissima
    Type: Dataset
    Format: text/tab-separated-values, 185 data points
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  • 13
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    Susceptibility raw data of sediment core PS2489-2 (2000)
    PANGAEA
    Details
    Publication Date: 2024-06-26
    Keywords: Agulhas Ridge; ANT-XI/2; AWI_Paleo; DEPTH, sediment/rock; KL; Multi-Sensor Core Logger, MS2C, 140 mm; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Piston corer (BGR type); Polarstern; PS2489-2; PS28; PS28/256; Susceptibility
    Type: Dataset
    Format: text/tab-separated-values, 1285 data points
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  • 14
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    Ice rafted debris (〉 2 mm gravel) distribution in sediment core PS2821-1 (2000)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-06-26
    Keywords: ANT-XIV/3; AWI_Paleo; DEPTH, sediment/rock; Ice rafted debris, number of gravel; IRD-Counting (Grobe, 1987); KL; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Piston corer (BGR type); Polarstern; PS2821-1; PS43; PS43/057; Weddell Sea
    Type: Dataset
    Format: text/tab-separated-values, 1654 data points
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  • 15
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    Silt fraction analysis of sediment core PS1170-3 (2000)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-06-26
    Keywords: ANT-II/3; AWI_Paleo; DEPTH, sediment/rock; Grain size, SEDIGRAPH 5000; Gravity corer (Kiel type); Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS04; PS04/257; PS1170-3; Size fraction 10.309-9.618 µm, 6.6-6.7 phi; Size fraction 11.049-10.309 µm, 6.5-6.6 phi; Size fraction 11.842-11.049 µm, 6.4-6.5 phi; Size fraction 12.691-11.842 µm, 6.3-6.4 phi; Size fraction 13.602-12.691 µm, 6.2-6.3 phi; Size fraction 14.579-13.602 µm, 6.1-6.2 phi; Size fraction 15.625-14.579 µm, 6.0-6.1 phi; Size fraction 16.746-15.625 µm, 5.9-6.0 phi; Size fraction 17.948-16.746 µm, 5.8-5.9 phi; Size fraction 19.237-17.948 µm, 5.7-5.8 phi; Size fraction 2.093-1.953 µm, 8.9-9.0 phi; Size fraction 2.244-2.093 µm, 8.8-8.9 phi; Size fraction 2.405-2.244 µm, 8.7-8.8 phi; Size fraction 2.577-2.405 µm, 8.6-8.7 phi; Size fraction 2.762-2.577 µm, 8.5-8.6 phi; Size fraction 2.960-2.762 µm, 8.4-8.5 phi; Size fraction 20.617-19.237 µm, 5.6-5.7 phi; Size fraction 22.097-20.617 µm, 5.5-5.6 phi; Size fraction 23.683-22.097 µm, 5.4-5.5 phi; Size fraction 25.383-23.683 µm, 5.3-5.4 phi; Size fraction 27.205-25.383 µm, 5.2-5.3 phi; Size fraction 29.157-27.205 µm, 5.1-5.2 phi; Size fraction 3.173-2.960 µm, 8.3-8.4 phi; Size fraction 3.401-3.173 µm, 8.2-8.3 phi; Size fraction 3.645-3.401 µm, 8.1-8.2 phi; Size fraction 3.906-3.645 µm, 8.0-8.1 phi; Size fraction 31.250-29.157 µm, 5.0-5.1 phi; Size fraction 33.493-31.250 µm, 4.9-5.0 phi; Size fraction 35.897-33.493 µm, 4.8-4.9 phi; Size fraction 38.473-35.897 µm, 4.7-4.8 phi; Size fraction 4.187-3.906 µm, 7.9-8.0 phi; Size fraction 4.487-4.187 µm, 7.8-7.9 phi; Size fraction 4.809-4.487 µm, 7.7-7.8 phi; Size fraction 41.235-38.473 µm, 4.6-4.7 phi; Size fraction 44.194-41.235 µm, 4.5-4.6 phi; Size fraction 47.366-44.194 µm, 4.4-4.5 phi; Size fraction 5.154-4.809 µm, 7.6-7.7 phi; Size fraction 5.524-5.154 µm, 7.5-7.6 phi; Size fraction 5.921-5.524 µm, 7.4-7.5 phi; Size fraction 50.766-47.366 µm, 4.3-4.4 phi; Size fraction 54.409-50.766 µm, 4.2-4.3 phi; Size fraction 58.315-54.409 µm, 4.1-4.2 phi; Size fraction 6.346-5.921 µm, 7.3-7.4 phi; Size fraction 6.801-6.346 µm, 7.2-7.3 phi; Size fraction 62.500-58.315 µm, 4.0-4.1 phi; Size fraction 7.289-6.801 µm, 7.1-7.2 phi; Size fraction 7.813-7.289 µm, 7.0-7.1 phi; Size fraction 8.373-7.813 µm, 6.9-7.0 phi; Size fraction 8.974-8.373 µm, 6.8-6.9 phi; Size fraction 9.618-8.974 µm, 6.7-6.8 phi; SL; South Atlantic Ocean
    Type: Dataset
    Format: text/tab-separated-values, 9150 data points
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  • 16
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    Silt fraction analysis of sediment core PS1368-1 (2000)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-06-26
    Keywords: ANT-IV/3; AWI_Paleo; Camp Norway; DEPTH, sediment/rock; Giant box corer; GKG; Grain size, SEDIGRAPH 5000; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS08; PS08/335; PS1368-1; Size fraction 10.309-9.618 µm, 6.6-6.7 phi; Size fraction 11.049-10.309 µm, 6.5-6.6 phi; Size fraction 11.842-11.049 µm, 6.4-6.5 phi; Size fraction 12.691-11.842 µm, 6.3-6.4 phi; Size fraction 13.602-12.691 µm, 6.2-6.3 phi; Size fraction 14.579-13.602 µm, 6.1-6.2 phi; Size fraction 15.625-14.579 µm, 6.0-6.1 phi; Size fraction 16.746-15.625 µm, 5.9-6.0 phi; Size fraction 17.948-16.746 µm, 5.8-5.9 phi; Size fraction 19.237-17.948 µm, 5.7-5.8 phi; Size fraction 2.093-1.953 µm, 8.9-9.0 phi; Size fraction 2.244-2.093 µm, 8.8-8.9 phi; Size fraction 2.405-2.244 µm, 8.7-8.8 phi; Size fraction 2.577-2.405 µm, 8.6-8.7 phi; Size fraction 2.762-2.577 µm, 8.5-8.6 phi; Size fraction 2.960-2.762 µm, 8.4-8.5 phi; Size fraction 20.617-19.237 µm, 5.6-5.7 phi; Size fraction 22.097-20.617 µm, 5.5-5.6 phi; Size fraction 23.683-22.097 µm, 5.4-5.5 phi; Size fraction 25.383-23.683 µm, 5.3-5.4 phi; Size fraction 27.205-25.383 µm, 5.2-5.3 phi; Size fraction 29.157-27.205 µm, 5.1-5.2 phi; Size fraction 3.173-2.960 µm, 8.3-8.4 phi; Size fraction 3.401-3.173 µm, 8.2-8.3 phi; Size fraction 3.645-3.401 µm, 8.1-8.2 phi; Size fraction 3.906-3.645 µm, 8.0-8.1 phi; Size fraction 31.250-29.157 µm, 5.0-5.1 phi; Size fraction 33.493-31.250 µm, 4.9-5.0 phi; Size fraction 35.897-33.493 µm, 4.8-4.9 phi; Size fraction 38.473-35.897 µm, 4.7-4.8 phi; Size fraction 4.187-3.906 µm, 7.9-8.0 phi; Size fraction 4.487-4.187 µm, 7.8-7.9 phi; Size fraction 4.809-4.487 µm, 7.7-7.8 phi; Size fraction 41.235-38.473 µm, 4.6-4.7 phi; Size fraction 44.194-41.235 µm, 4.5-4.6 phi; Size fraction 47.366-44.194 µm, 4.4-4.5 phi; Size fraction 5.154-4.809 µm, 7.6-7.7 phi; Size fraction 5.524-5.154 µm, 7.5-7.6 phi; Size fraction 5.921-5.524 µm, 7.4-7.5 phi; Size fraction 50.766-47.366 µm, 4.3-4.4 phi; Size fraction 54.409-50.766 µm, 4.2-4.3 phi; Size fraction 58.315-54.409 µm, 4.1-4.2 phi; Size fraction 6.346-5.921 µm, 7.3-7.4 phi; Size fraction 6.801-6.346 µm, 7.2-7.3 phi; Size fraction 62.500-58.315 µm, 4.0-4.1 phi; Size fraction 7.289-6.801 µm, 7.1-7.2 phi; Size fraction 7.813-7.289 µm, 7.0-7.1 phi; Size fraction 8.373-7.813 µm, 6.9-7.0 phi; Size fraction 8.974-8.373 µm, 6.8-6.9 phi; Size fraction 9.618-8.974 µm, 6.7-6.8 phi
    Type: Dataset
    Format: text/tab-separated-values, 400 data points
    Location Call Number Expected Availability
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  • 17
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    Silt fraction analysis of sediment core PS1172-1 (2000)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-06-26
    Keywords: ANT-II/3; AWI_Paleo; DEPTH, sediment/rock; Grain size, SEDIGRAPH 5000; Gravity corer (Kiel type); Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS04; PS04/259; PS1172-1; Size fraction 10.309-9.618 µm, 6.6-6.7 phi; Size fraction 11.049-10.309 µm, 6.5-6.6 phi; Size fraction 11.842-11.049 µm, 6.4-6.5 phi; Size fraction 12.691-11.842 µm, 6.3-6.4 phi; Size fraction 13.602-12.691 µm, 6.2-6.3 phi; Size fraction 14.579-13.602 µm, 6.1-6.2 phi; Size fraction 15.625-14.579 µm, 6.0-6.1 phi; Size fraction 16.746-15.625 µm, 5.9-6.0 phi; Size fraction 17.948-16.746 µm, 5.8-5.9 phi; Size fraction 19.237-17.948 µm, 5.7-5.8 phi; Size fraction 2.093-1.953 µm, 8.9-9.0 phi; Size fraction 2.244-2.093 µm, 8.8-8.9 phi; Size fraction 2.405-2.244 µm, 8.7-8.8 phi; Size fraction 2.577-2.405 µm, 8.6-8.7 phi; Size fraction 2.762-2.577 µm, 8.5-8.6 phi; Size fraction 2.960-2.762 µm, 8.4-8.5 phi; Size fraction 20.617-19.237 µm, 5.6-5.7 phi; Size fraction 22.097-20.617 µm, 5.5-5.6 phi; Size fraction 23.683-22.097 µm, 5.4-5.5 phi; Size fraction 25.383-23.683 µm, 5.3-5.4 phi; Size fraction 27.205-25.383 µm, 5.2-5.3 phi; Size fraction 29.157-27.205 µm, 5.1-5.2 phi; Size fraction 3.173-2.960 µm, 8.3-8.4 phi; Size fraction 3.401-3.173 µm, 8.2-8.3 phi; Size fraction 3.645-3.401 µm, 8.1-8.2 phi; Size fraction 3.906-3.645 µm, 8.0-8.1 phi; Size fraction 31.250-29.157 µm, 5.0-5.1 phi; Size fraction 33.493-31.250 µm, 4.9-5.0 phi; Size fraction 35.897-33.493 µm, 4.8-4.9 phi; Size fraction 38.473-35.897 µm, 4.7-4.8 phi; Size fraction 4.187-3.906 µm, 7.9-8.0 phi; Size fraction 4.487-4.187 µm, 7.8-7.9 phi; Size fraction 4.809-4.487 µm, 7.7-7.8 phi; Size fraction 41.235-38.473 µm, 4.6-4.7 phi; Size fraction 44.194-41.235 µm, 4.5-4.6 phi; Size fraction 47.366-44.194 µm, 4.4-4.5 phi; Size fraction 5.154-4.809 µm, 7.6-7.7 phi; Size fraction 5.524-5.154 µm, 7.5-7.6 phi; Size fraction 5.921-5.524 µm, 7.4-7.5 phi; Size fraction 50.766-47.366 µm, 4.3-4.4 phi; Size fraction 54.409-50.766 µm, 4.2-4.3 phi; Size fraction 58.315-54.409 µm, 4.1-4.2 phi; Size fraction 6.346-5.921 µm, 7.3-7.4 phi; Size fraction 6.801-6.346 µm, 7.2-7.3 phi; Size fraction 62.500-58.315 µm, 4.0-4.1 phi; Size fraction 7.289-6.801 µm, 7.1-7.2 phi; Size fraction 7.813-7.289 µm, 7.0-7.1 phi; Size fraction 8.373-7.813 µm, 6.9-7.0 phi; Size fraction 8.974-8.373 µm, 6.8-6.9 phi; Size fraction 9.618-8.974 µm, 6.7-6.8 phi; SL; South Atlantic Ocean
    Type: Dataset
    Format: text/tab-separated-values, 7450 data points
    Location Call Number Expected Availability
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  • 18
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    Silt fraction analysis of sediment core PS1368-3 (2000)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-06-26
    Keywords: ANT-IV/3; AWI_Paleo; Camp Norway; DEPTH, sediment/rock; Grain size, SEDIGRAPH 5000; Gravity corer (Kiel type); Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS08; PS08/335; PS1368-3; Size fraction 10.309-9.618 µm, 6.6-6.7 phi; Size fraction 11.049-10.309 µm, 6.5-6.6 phi; Size fraction 11.842-11.049 µm, 6.4-6.5 phi; Size fraction 12.691-11.842 µm, 6.3-6.4 phi; Size fraction 13.602-12.691 µm, 6.2-6.3 phi; Size fraction 14.579-13.602 µm, 6.1-6.2 phi; Size fraction 15.625-14.579 µm, 6.0-6.1 phi; Size fraction 16.746-15.625 µm, 5.9-6.0 phi; Size fraction 17.948-16.746 µm, 5.8-5.9 phi; Size fraction 19.237-17.948 µm, 5.7-5.8 phi; Size fraction 2.093-1.953 µm, 8.9-9.0 phi; Size fraction 2.244-2.093 µm, 8.8-8.9 phi; Size fraction 2.405-2.244 µm, 8.7-8.8 phi; Size fraction 2.577-2.405 µm, 8.6-8.7 phi; Size fraction 2.762-2.577 µm, 8.5-8.6 phi; Size fraction 2.960-2.762 µm, 8.4-8.5 phi; Size fraction 20.617-19.237 µm, 5.6-5.7 phi; Size fraction 22.097-20.617 µm, 5.5-5.6 phi; Size fraction 23.683-22.097 µm, 5.4-5.5 phi; Size fraction 25.383-23.683 µm, 5.3-5.4 phi; Size fraction 27.205-25.383 µm, 5.2-5.3 phi; Size fraction 29.157-27.205 µm, 5.1-5.2 phi; Size fraction 3.173-2.960 µm, 8.3-8.4 phi; Size fraction 3.401-3.173 µm, 8.2-8.3 phi; Size fraction 3.645-3.401 µm, 8.1-8.2 phi; Size fraction 3.906-3.645 µm, 8.0-8.1 phi; Size fraction 31.250-29.157 µm, 5.0-5.1 phi; Size fraction 33.493-31.250 µm, 4.9-5.0 phi; Size fraction 35.897-33.493 µm, 4.8-4.9 phi; Size fraction 38.473-35.897 µm, 4.7-4.8 phi; Size fraction 4.187-3.906 µm, 7.9-8.0 phi; Size fraction 4.487-4.187 µm, 7.8-7.9 phi; Size fraction 4.809-4.487 µm, 7.7-7.8 phi; Size fraction 41.235-38.473 µm, 4.6-4.7 phi; Size fraction 44.194-41.235 µm, 4.5-4.6 phi; Size fraction 47.366-44.194 µm, 4.4-4.5 phi; Size fraction 5.154-4.809 µm, 7.6-7.7 phi; Size fraction 5.524-5.154 µm, 7.5-7.6 phi; Size fraction 5.921-5.524 µm, 7.4-7.5 phi; Size fraction 50.766-47.366 µm, 4.3-4.4 phi; Size fraction 54.409-50.766 µm, 4.2-4.3 phi; Size fraction 58.315-54.409 µm, 4.1-4.2 phi; Size fraction 6.346-5.921 µm, 7.3-7.4 phi; Size fraction 6.801-6.346 µm, 7.2-7.3 phi; Size fraction 62.500-58.315 µm, 4.0-4.1 phi; Size fraction 7.289-6.801 µm, 7.1-7.2 phi; Size fraction 7.813-7.289 µm, 7.0-7.1 phi; Size fraction 8.373-7.813 µm, 6.9-7.0 phi; Size fraction 8.974-8.373 µm, 6.8-6.9 phi; Size fraction 9.618-8.974 µm, 6.7-6.8 phi; SL
    Type: Dataset
    Format: text/tab-separated-values, 3150 data points
    Location Call Number Expected Availability
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  • 19
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    Unknown
    Geochemistry of sediment core GeoB2910-1 (2000)
    PANGAEA
    Details
    Publication Date: 2024-06-26
    Keywords: Aluminium; Barium; Barium, biogenic; Barium/Aluminium ratio; Calculated; DEPTH, sediment/rock; GeoB; GeoB2910-1; Geosciences, University of Bremen; Gravity corer (Kiel type); HF/HNO3/H2O2 pressure digestion; M29/3; Meteor (1986); SFB261; Sierra Leone Rise; SL; South Atlantic in Late Quaternary: Reconstruction of Budget and Currents
    Type: Dataset
    Format: text/tab-separated-values, 696 data points
    Location Call Number Expected Availability
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  • 20
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    Unknown
    tab2 (2000)
    PANGAEA
    Details
    Publication Date: 2024-06-26
    Keywords: Arctic Ocean; ARK-IV/3; Calcium carbonate; Calculated; Carbon, organic, total; Coarse fraction/modal analysis; DEPTH, sediment/rock; Dissolution index; Element analyser CHN; Elevation of event; Event label; Foraminifera, benthic; Foraminifera, benthic agglutinated; Foraminifera, benthic calcareous marine; Foraminifera, planktic; Foraminifera, planktic indeterminata; GEOMAR; Giant box corer; GIK21516-5 PS11/282-5; GIK21517-9 PS11/285; GIK21518-13 PS11/287-13; GIK21520-9 PS11/310-9; GIK21521-13 PS11/340-13; GIK21522-18 PS11/358-18; GIK21523-14 PS11/362-14; GIK21524-1 PS11/364-1; GIK21525-2 PS11/365-2; GIK21526-12 PS11/370-12; GIK21527-10 PS11/371-10; GIK21528-7 PS11/372-7; GIK21529-7 PS11/376-7; GIK21532-1 PS11/396-1; GIK21534-6 PS11/423-6; GKG; Grain size, sieving; Gravity corer (Kiel type); Helmholtz Centre for Ocean Research Kiel; Latitude of event; Longitude of event; Mica; Nansen Basin; Polarstern; PS11; PS1516-5; PS1517-9; PS1518-13; PS1520-9; PS1521-13; PS1522-18; PS1523-14; PS1524-1; PS1525-2; PS1526-12; PS1527-10; PS1528-7; PS1529-7; PS1532-1; PS1534-6; Quartz; Quaternary Environment of the Eurasian North; QUEEN; Rock fragments; Size fraction 〉 0.063 mm, sand; SL; Sponge spiculae; Svalbard; Yermak Plateau
    Type: Dataset
    Format: text/tab-separated-values, 187 data points
    Location Call Number Expected Availability
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  • 21
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    Unknown
    Geochemistry of sediment core GeoB2910-1 (2000)
    PANGAEA
    Details
    Publication Date: 2024-06-26
    Keywords: Ascorbate extraction (Ferdelman, 1988, Master Thesis, University Delaware); Calcium carbonate; Calculated; DEPTH, sediment/rock; Dithionite extraction (Lord, 1980, PhD Thesis Univ Delaware); GeoB; GeoB2910-1; Geosciences, University of Bremen; Gravity corer (Kiel type); HF/HClO4/HNO3 digestion; Inductively coupled plasma atomic emission spectroscope (ICP-AES); Iron; Iron/Titanium ratio; M29/3; Manganese; Manganese/Titanium ratio; Meteor (1986); SFB261; Sierra Leone Rise; SL; South Atlantic in Late Quaternary: Reconstruction of Budget and Currents
    Type: Dataset
    Format: text/tab-separated-values, 690 data points
    Location Call Number Expected Availability
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  • 22
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    Unknown
    Physical properties of sediment core PS56/212-1 (2000)
    PANGAEA
    Details
    Publication Date: 2024-06-26
    Keywords: ANT-XVII/4; AWI_Paleo; Calculated from density; Calculated from Vp and wet bulk density; Density, wet bulk; DEPTH, sediment/rock; Impedance, specific; KL; Magnetic susceptibility, volume; Multi-Sensor Core Logger/colorscan/scion image; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Piston corer (BGR type); Polarstern; Porosity; PS56; PS56/212-1; South Atlantic; Susceptibility unit, AWI, 140 mm [cor. factor 14.584]; Velocity, compressional, amplitude; Velocity, compressional wave
    Type: Dataset
    Format: text/tab-separated-values, 8642 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 23
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    Unknown
    Physical properties of sediment core PS56/214-1 (2000)
    PANGAEA
    Details
    Publication Date: 2024-06-26
    Keywords: ANT-XVII/4; AWI_Paleo; Calculated from density; Calculated from Vp and wet bulk density; Density, wet bulk; DEPTH, sediment/rock; Impedance, specific; KL; Magnetic susceptibility, volume; Multi-Sensor Core Logger/colorscan/scion image; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Piston corer (BGR type); Polarstern; Porosity; PS56; PS56/214-1; South Atlantic; Susceptibility unit, AWI, 140 mm [cor. factor 14.584]; Velocity, compressional, amplitude; Velocity, compressional wave
    Type: Dataset
    Format: text/tab-separated-values, 10502 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 24
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    Unknown
    Susceptibility of sediment core PS1778-5 (2000)
    PANGAEA
    Details
    Publication Date: 2024-06-26
    Keywords: ANT-VIII/3; Atlantic Ridge; AWI_Paleo; DEPTH, sediment/rock; Gravity corer (Kiel type); Magnetic susceptibility, volume; Multi-Sensor Core Logger, MSF-point sensor; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS16; PS16/345; PS1778-5; SL
    Type: Dataset
    Format: text/tab-separated-values, 1257 data points
    Location Call Number Expected Availability
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  • 25
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    Unknown
    Susceptibility of sediment core PS2489-2 (2000)
    PANGAEA
    Details
    Publication Date: 2024-06-26
    Keywords: Agulhas Ridge; ANT-XI/2; AWI_Paleo; DEPTH, sediment/rock; KL; Magnetic susceptibility, volume; Multi-Sensor Core Logger, MSF-point sensor; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Piston corer (BGR type); Polarstern; PS2489-2; PS28; PS28/256
    Type: Dataset
    Format: text/tab-separated-values, 1271 data points
    Location Call Number Expected Availability
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  • 26
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    LGM, planktic foraminifera (EPILOG version) (2000)
    PANGAEA
    In:  Supplement to: Niebler, Hans-Stefan; Arz, Helge Wolfgang; Donner, Barbara; Mulitza, Stefan; Pätzold, Jürgen; Wefer, Gerold (2003): Sea surface temperatures in the equatorial and South Atlantic Ocean during the Last Glacial Maximum (23–19 ka). Paleoceanography, 18(3), 1069, https://doi.org/10.1029/2003PA000902
    Details
    Publication Date: 2024-06-26
    Description: [1] We used planktic foraminiferal assemblages in 70 sediment cores from the tropical and subtropical South Atlantic Ocean (10°N–37°S) to estimate annual mean sea surface temperatures (SSTs) and seasonality for the Last Glacial Maximum with a modified version of the Imbrie-Kipp transfer function method (IKTF) that takes into account the abundance of rare but temperature sensitive species. In contrast to CLIMAP Project Members [1981], the reconstructed SSTs indicate cooler glacial SSTs in the entire tropical/subtropical South Atlantic with strongest cooling in the upwelling region off Namibia (7–10°C) and smallest cooling (1–2°C) in the western subtropical gyre. In the western Atlantic, our data support recent temperature estimates from other proxies. In the upwelling regions in the eastern Atlantic, our data conflict with SST reconstructions from alkenones, which may be due to an environmental preference of the alkenone-producing algae or to an underestimation of foraminiferal SSTs due to anomalous high abundances of N. pachyderma (sinistral).
    Keywords: 06MT15_2; 06MT41_3; Amazon Fan; Angola Basin; Argentine Basin; Brazil Basin; Candeina nitida; Cape Basin; Counting 〉150 µm fraction; Dentagloborotalia anfracta; DEPTH, sediment/rock; East Brazil Basin; Eastern Rio Grande Rise; Elevation of event; Equatorial Atlantic; Event label; Foraminifera, planktic; GeoB; GeoB1008-3; GeoB1016-3; GeoB1028-5; GeoB1031-4; GeoB1032-3; GeoB1034-3; GeoB1041-3; GeoB1101-5; GeoB1105-4; GeoB1112-4; GeoB1115-4; GeoB1117-2; GeoB1214-1; GeoB1220-1; GeoB1306-1; GeoB1309-2; GeoB1312-2; GeoB1413-4; GeoB1417-1; GeoB1419-2; GeoB1501-4; GeoB1503-1; GeoB1505-1; GeoB1508-4; GeoB1515-1; GeoB1523-1; GeoB1701-4; GeoB1706-2; GeoB1711; GeoB1711-4; GeoB1722-1; GeoB1903-3; GeoB1905-3; GeoB2004-2; GeoB2016-1; GeoB2019-1; GeoB2021-5; GeoB2109-1; GeoB2116-4; GeoB2117-1; GeoB2125-1; GeoB2202-4; GeoB2204-2; GeoB2215-10; GeoB2819-1; GeoB3104-1; GeoB3117-1; GeoB3175-1; GeoB3176-1; GeoB3603-2; GeoB3722-2; GeoB3801-6; GeoB3808-6; GeoB3813-3; GeoB5112-5; GeoB5115-2; GeoB5121-2; GeoB5133-3; GeoB5140-3; Geosciences, University of Bremen; Giant box corer; GKG; Globigerina bulloides; Globigerina calida; Globigerina digitata; Globigerina falconensis; Globigerina quinqueloba; Globigerinella aequilateralis; Globigerinita bradyi; Globigerinita glutinata; Globigerinoides conglobatus; Globigerinoides ruber highspired; Globigerinoides ruber pink; Globigerinoides ruber white; Globigerinoides sacculifer sac; Globigerinoides sacculifer wo sac; Globigerinoides tenellus; Globoquadrina conglomerata; Globorotalia crassaformis; Globorotalia hirsuta; Globorotalia inflata; Globorotalia menardii; Globorotalia menardii flexuosa; Globorotalia scitula; Globorotalia theyeri; Globorotalia truncatulinoides dextral; Globorotalia truncatulinoides sinistral; Globorotalia tumida; Globorotaloides hexagonus; Globoturborotalita rubescens pink; Globoturborotalita rubescens white; Gravity corer (Kiel type); Guinea Basin; Hastigerina pelagica; Hunter Channel; JOPSII-6; KOL; LATITUDE; LONGITUDE; M12/1; M15/2; M16/1; M16/2; M20/2; M23/1; M23/2; M23/3; M29/2; M34/1; M34/2; M34/3; M41/3; M6/6; M9/4; Meteor (1986); Mid Atlantic Ridge; MUC; MultiCorer; Namibia continental slope; NE-Brazilian continental margin; Neogloboquadrina dutertrei; Neogloboquadrina pachyderma dextral; Neogloboquadrina pachyderma dextral and dutertrei integrade; Neogloboquadrina pachyderma sinistral; Niger Sediment Fan; Northern Cape Basin; Orbulina universa; Piston corer (Kiel type); Pulleniatina obliquiloculata; Rio Grande Rise; SL; SO84; Sonne; South African margin; Southern Cape Basin; Southwest Walvis Ridge; Sphaeroidinella dehiscens; ST. HELENA HOTSPOT; Tenuitella iota; Turborotalita humilis; Victor Hensen; Walvis Ridge; Walvis Ridge, Southeast Atlantic Ocean; West Angola Basin
    Type: Dataset
    Format: text/tab-separated-values, 6559 data points
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  • 27
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    Silt fraction analysis of sediment core PS1384-1 (2000)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-06-26
    Keywords: ANT-IV/3; Atka Bay; AWI_Paleo; DEPTH, sediment/rock; Giant box corer; GKG; Grain size, SEDIGRAPH 5000; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS08; PS08/360; PS1384-1; Size fraction 10.309-9.618 µm, 6.6-6.7 phi; Size fraction 11.049-10.309 µm, 6.5-6.6 phi; Size fraction 11.842-11.049 µm, 6.4-6.5 phi; Size fraction 12.691-11.842 µm, 6.3-6.4 phi; Size fraction 13.602-12.691 µm, 6.2-6.3 phi; Size fraction 14.579-13.602 µm, 6.1-6.2 phi; Size fraction 15.625-14.579 µm, 6.0-6.1 phi; Size fraction 16.746-15.625 µm, 5.9-6.0 phi; Size fraction 17.948-16.746 µm, 5.8-5.9 phi; Size fraction 19.237-17.948 µm, 5.7-5.8 phi; Size fraction 2.093-1.953 µm, 8.9-9.0 phi; Size fraction 2.244-2.093 µm, 8.8-8.9 phi; Size fraction 2.405-2.244 µm, 8.7-8.8 phi; Size fraction 2.577-2.405 µm, 8.6-8.7 phi; Size fraction 2.762-2.577 µm, 8.5-8.6 phi; Size fraction 2.960-2.762 µm, 8.4-8.5 phi; Size fraction 20.617-19.237 µm, 5.6-5.7 phi; Size fraction 22.097-20.617 µm, 5.5-5.6 phi; Size fraction 23.683-22.097 µm, 5.4-5.5 phi; Size fraction 25.383-23.683 µm, 5.3-5.4 phi; Size fraction 27.205-25.383 µm, 5.2-5.3 phi; Size fraction 29.157-27.205 µm, 5.1-5.2 phi; Size fraction 3.173-2.960 µm, 8.3-8.4 phi; Size fraction 3.401-3.173 µm, 8.2-8.3 phi; Size fraction 3.645-3.401 µm, 8.1-8.2 phi; Size fraction 3.906-3.645 µm, 8.0-8.1 phi; Size fraction 31.250-29.157 µm, 5.0-5.1 phi; Size fraction 33.493-31.250 µm, 4.9-5.0 phi; Size fraction 35.897-33.493 µm, 4.8-4.9 phi; Size fraction 38.473-35.897 µm, 4.7-4.8 phi; Size fraction 4.187-3.906 µm, 7.9-8.0 phi; Size fraction 4.487-4.187 µm, 7.8-7.9 phi; Size fraction 4.809-4.487 µm, 7.7-7.8 phi; Size fraction 41.235-38.473 µm, 4.6-4.7 phi; Size fraction 44.194-41.235 µm, 4.5-4.6 phi; Size fraction 47.366-44.194 µm, 4.4-4.5 phi; Size fraction 5.154-4.809 µm, 7.6-7.7 phi; Size fraction 5.524-5.154 µm, 7.5-7.6 phi; Size fraction 5.921-5.524 µm, 7.4-7.5 phi; Size fraction 50.766-47.366 µm, 4.3-4.4 phi; Size fraction 54.409-50.766 µm, 4.2-4.3 phi; Size fraction 58.315-54.409 µm, 4.1-4.2 phi; Size fraction 6.346-5.921 µm, 7.3-7.4 phi; Size fraction 6.801-6.346 µm, 7.2-7.3 phi; Size fraction 62.500-58.315 µm, 4.0-4.1 phi; Size fraction 7.289-6.801 µm, 7.1-7.2 phi; Size fraction 7.813-7.289 µm, 7.0-7.1 phi; Size fraction 8.373-7.813 µm, 6.9-7.0 phi; Size fraction 8.974-8.373 µm, 6.8-6.9 phi; Size fraction 9.618-8.974 µm, 6.7-6.8 phi
    Type: Dataset
    Format: text/tab-separated-values, 200 data points
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  • 28
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    Sand fraction analysis of sediment core PS1375-3 (2000)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-06-26
    Keywords: ANT-IV/3; AWI_Paleo; Camp Norway; DEPTH, sediment/rock; Grain size, sieving; Gravity corer (Kiel type); Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS08; PS08/347; PS1375-3; Size fraction 〉 2 mm, gravel; Size fraction 0.125-0.063 mm, 3.0-4.0 phi, very fine sand; Size fraction 0.250-0.125 mm, 2.0-3.0 phi, fine sand; Size fraction 0.500-0.250 mm, 1.0-2.0 phi, medium sand; Size fraction 1.000-0.500 mm, 0.0-1.0 phi, coarse sand; Size fraction 2.000-1.000 mm, (-1.0)-0.0 phi, very coarse sand; SL
    Type: Dataset
    Format: text/tab-separated-values, 636 data points
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  • 29
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    Oxygen flux measured in surface sediments of the Arabian Sea (2000)
    PANGAEA
    In:  Supplement to: Witte, Ursula; Pfannkuche, Olaf (2000): High rates of benthic carbon remineralization in the abyssal Arabian Sea. Deep Sea Research Part II: Topical Studies in Oceanography, 47(14), 2785-2804, https://doi.org/10.1016/S0967-0645(00)00049-7
    Details
    Publication Date: 2024-06-26
    Description: During the large-scale deep-sea programme BIGSET in situ measurements of sediment community oxygen consumption (SCOC) were carried out during three cruises between 1995-1998 at five abyssal sites (3190-4450 m water depth) in the deep Arabian Sea in order to elucidate the regional and temporal variation of benthic carbon remineralisation. SCOC ranged from 0.9-6.3 mmol O2 m**-2 d**-1, with highest values in the western and northern Arabian Sea and lowest values in the southern Arabian Sea. For the central Arabian Sea intermediate oxygen uptake rates were detected. This regional pattern mirrors the overall regional pattern of primary productivity in surface waters and vertical particulate organic carbon (POC) flux at 1000 mab. Primary productivity in Arabian Sea surface waters and particulate flux into the deep-sea are controlled by the monsoon system and the flux maxima during the SW and NE monsoon are among the highest particle fluxes recorded in the deep open ocean. Highest flux rates were recorded in the western and northern Arabian Sea and decreased towards the central and southern Arabian Sea. SCOC at our western, northern and eastern Arabian Sea stations WAST, NAST and EAST were considerably higher than so far detected in other abyssal areas of the global oceans, and vertical POC flux can account for only 20-50% of benthic carbon remineralisation (BCR). Possible explanations for the high rates of BCR at these stations that are situated close to the continental margins are discussed: the accelerated deposition of very labile organic matter due to eolian dust particles, enhanced rain efficiencies, and lateral advection. A significant temporal variability in SCOC only could be detected at the eastern and western Arabian Sea stations WAST and EAST.
    Keywords: 24#2; 31; 58; 77; Arabian Sea; BIGSET; BIGSET-1; BIGSET-2/JGOFS-IN-4; Biogeochemical Fluxes of Matter and Energy in the Deep Sea; BL_C; Bottom lander, chamber; DEPTH, sediment/rock; Elevation of event; Event label; Incubation of bottom water, in-situ; Latitude of event; Longitude of event; M33/1_FFR-02; M33/1_FFR-04; M33/1_FFR-06; M33/1_FFR-07; Oxygen, flux, sediment oxygen demand; Oxygen, flux, standard deviation; RESP; Respirometer; SO118; SO118_FFR-02; SO129; SO129_FFR-01; SO129_FFR-03; SO129_FFR-04; SO129_FFR-05; SO129_FFR-06; SO129_FFR-07; Sonne; Western Arabian Sediment Trap
    Type: Dataset
    Format: text/tab-separated-values, 23 data points
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  • 30
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    Sedimentation rate and stable isotopes of sediment core GIK17728-1 (Table 1) (2000)
    PANGAEA
    Details
    Publication Date: 2024-06-26
    Keywords: AGE; Calculated; Comment; Density, dry bulk; DEPTH, sediment/rock; gcmd1; Giant box corer; GIK/IfG; GIK17728-1; GKG; Institute for Geosciences, Christian Albrechts University, Kiel; M13/2; Meteor (1986); Neogloboquadrina pachyderma sinistral, δ13C; Neogloboquadrina pachyderma sinistral, δ18O; Norwegian Sea; Sedimentation rate
    Type: Dataset
    Format: text/tab-separated-values, 320 data points
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  • 31
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    Sea surface temperatures reconstructed from alkenones of surface sediment samples of the Argentine Basin at stations GeoB1501-1 to GeoB2830-1 (2000)
    PANGAEA
    In:  Supplement to: Benthien, Albert; Müller, Peter J (2000): Anomalously low alkenone temperatures caused by lateral particle and sediment transport in the Malvinas Current region, western Argentine Basin. Deep Sea Research Part I: Oceanographic Research Papers, 47(12), 2369-2393, https://doi.org/10.1016/S0967-0637(00)00030-3
    Details
    Publication Date: 2024-06-26
    Description: We analysed the alkenone unsaturation ratio (UK'37) in 87 surface sediment samples from the western South Atlantic (5°N–50°S) in order to evaluate its applicability as a paleotemperature tool for this part of the ocean. The measured UK'37 ratios were converted into temperature using the global core-top calibration of Müller et al. (1998, doi:10.1016/S0016-7037(98)00097-0) and compared with annual mean atlas sea-surface temperatures (SSTs) of overlying surface waters. The results reveal a close correspondence (〈1.5°C) between atlas and alkenone temperatures for the Western Tropical Atlantic and the Brazil Current region north of 32°S, but deviating low alkenone temperatures by -2° to -6°C are found in the regions of the Brazil–Malvinas Confluence (35–39°S) and the Malvinas Current (41–48°S). From the oceanographic evidence these low UK'37 values cannot be explained by preferential alkenone production below the mixed layer or during the cold season. Higher nutrient availability and algal growth rates are also unlikely causes. Instead, our results imply that lateral displacement of suspended particles and sediments, caused by strong surface and bottom currents, benthic storms, and downslope processes is responsible for the deviating UK'37 temperatures. In this way, particles and sediments carrying a cold water UK'37 signal of coastal or southern origin are transported northward and offshore into areas with warmer surface waters. In the northern Argentine Basin the depth between displaced and unaffected sediments appears to coincide with the boundary between the northward flowing Lower Circumpolar Deep Water (LCDW) and the southward flowing North Atlantic Deep Water (NADW) at about 4000 m.
    Keywords: Alkenone, unsaturation index UK'37; Amazon Fan; Argentine Basin; Brazil Basin; Calculated; Calculated from C37 alkenones (Prahl & Wakeham, 1987); Calculated from UK'37 (Müller et al, 1998); Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Elevation of event; Event label; GeoB; GeoB1501-1; GeoB1503-2; GeoB1504-1; GeoB1506-1; GeoB1514-4; GeoB1515-2; GeoB2022-3; GeoB2101-1; GeoB2102-1; GeoB2104-1; GeoB2105-3; GeoB2106-1; GeoB2107-5; GeoB2108-1; GeoB2109-3; GeoB2110-1; GeoB2111-2; GeoB2112-1; GeoB2116-2; GeoB2117-4; GeoB2118-1; GeoB2119-2; GeoB2124-1; GeoB2125-2; GeoB2126-1; GeoB2130-1; GeoB2201-1; GeoB2202-5; GeoB2204-1; GeoB2205-4; GeoB2206-1; GeoB2207-2; GeoB2208-1; GeoB2212-1; GeoB2213-1; GeoB2215-8; GeoB2216-2; GeoB2701-4; GeoB2703-6; GeoB2703-7; GeoB2705-7; GeoB2706-6; GeoB2707-4; GeoB2708-5; GeoB2712-1; GeoB2714-5; GeoB2715-1; GeoB2717-8; GeoB2718-1; GeoB2719-1; GeoB2719-3; GeoB2722-1; GeoB2722-2; GeoB2723-2; GeoB2724-6; GeoB2724-7; GeoB2727-1; GeoB2729-1; GeoB2730-1; GeoB2731-1; GeoB2734-2; GeoB2801-2; GeoB2802-2; GeoB2803-1; GeoB2804-2; GeoB2805-1; GeoB2806-6; GeoB2807-1; GeoB2808-3; GeoB2809-2; GeoB2810-2; GeoB2811-1; GeoB2812-3; GeoB2813-1; GeoB2814-3; GeoB2817-3; GeoB2818-1; GeoB2819-2; GeoB2820-1; GeoB2821-2; GeoB2824-1; GeoB2825-3; GeoB2826-1; GeoB2827-2; GeoB2828-1; GeoB2829-3; GeoB2830-1; Geosciences, University of Bremen; Giant box corer; GKG; Latitude of event; Longitude of event; M16/2; M23/1; M23/2; M23/3; M29/1; M29/2; Meteor (1986); MUC; MultiCorer; Rio Grande Rise; Santos Plateau; Sea surface temperature, annual mean; Slope off Argentina; Uruguay continental margin; Δδ18O
    Type: Dataset
    Format: text/tab-separated-values, 481 data points
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  • 32
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    Stable carbon and oxygen isotope ratios of foraminifera from sediments of the Iberian margin (2000)
    PANGAEA
    In:  Supplement to: Shackleton, Nicholas J; Hall, Michael A; Vincent, Edith (2000): Phase relationships between millennial-scale events 64,000-24,000 years ago. Paleoceanography, 15(6), 565-569, https://doi.org/10.1029/2000PA000513
    Details
    Publication Date: 2024-06-26
    Description: A core recovered on the Iberian margin off southern Portugal can be correlated with Greenland ice cores using oxygen isotope variability in planktonic foraminifera which closely matches the ice core records of temperature over Greenland. Our age model identifies the base of every interstadial between 64,000 and 24,000 years ago and uses the Greenland Ice Core Project (GRIP) timescale. The oxygen isotope signal in benthic foraminifera (on this GRIP-based timescale) is quite different from the planktonic record and resembles the temperature record over Antarctica when this is synchronized with Greenland using the record of methane in the atmospheric air in the polar ice cores. We interpret the benthic record as indicating significant fluctuations in ice volume during millennial events, and we suggest that Antarctic temperature changed as a function of ice volume.
    Keywords: CALYPSO; Calypso Corer; IMAGES; IMAGES I; International Marine Global Change Study; Marge Ibérique; Marion Dufresne (1995); MD101; MD952042; MD95-2042
    Type: Dataset
    Format: application/zip, 5 datasets
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  • 33
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    Southern Ocean Pleistocene calcareous nannofossil events: calibration with isotope and geomagnetic stratigraphies (2000)
    PANGAEA
    In:  Supplement to: Flores, José-Abel; Gersonde, Rainer; Sierro, Francisco Javier; Niebler, Hans-Stefan (2000): Southern Ocean Pleistocene calcareous nannofossil events: calibration with isotope and geomagnetic stratigraphies. Marine Micropaleontology, 40(4), 377-402, https://doi.org/10.1016/S0377-8398(00)00047-5
    Details
    Publication Date: 2024-06-26
    Description: Several cores recovered from the northern belt of the Southern Ocean were analysed to study the Pleistocene calcareous nannofossil records. Calcareous nannofossil events previously described in medium and low latitudes were identified and calibrated with the oxygen isotope and geomagnetic time scales. Although sedimentation rates, hiatuses and degree of calcareous nannofossil preservation sometimes prevent the identification and/or accurate calibration of some of these events, a useful stratigraphic framework was obtained. The possibility of using these calibrated events from high to low latitudes facilitates correlations and should facilitate isotope event identification in a region with low temperature, where calcareous plankton stratigraphies are in general restricted. In general, Pleistocene southern high latitude calcareous nannofossil events show synchronism with those observed in warm and temperate surficial waters. Small discrepancies in the assigned ages are sometimes related to low sampling resolution due to low sedimentation rates. The first occurrence (FO) of Emiliania huxleyi and the last occurrence (LO) of Pseudoemiliania lacunosa are observed in Marine Isotope Stages (MIS) 8 and 12, respectively. A reversal in abundance between Gephyrocapsa muellerae and E. huxleyi is observed close to the MIS 4/5 boundary. MIS 6 is characterised by an increase in G. muellerae and MIS 7 features a dramatic decrease in the proportion of Gephyrocapsa caribbeanica. This latter species began to increase its proportions from the MIS 13/14 boundary to MIS13, showing diachronism between the different sites. The LO of Reticulofenestra asanoi is observed at MIS 22, confirming this event as a global synchronous reference datum. By contrast, the FO of R. asanoi occurs at MIS 35 and is diachronous with the existing data from other oceanic regions. A re-entry of medium sized Gephyrocapsa (3-5 mm maximum diameters) can be identified in some cores close to MIS 25; although the low abundance of this taxon prevents an accurate calibration, it may be concluded that this event is diachronous as compared with the existing low-latitude data. The LO of large morphotypes of Gephyrocapsa is well correlated with MIS 37, showing synchronism with other oceanic regions, whereas the FO of this species is not well calibrated due to the absence of age-control points.
    Keywords: Agulhas Basin; ANT-IX/4; ANT-XI/2; ANT-XII/4; AWI_Paleo; Gravity corer (Kiel type); KL; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Piston corer (BGR type); Polarstern; PS18; PS18/232; PS2076-3; PS22/236; PS2487-6; PS2703-1; PS2708-1; PS2709-1; PS28; PS35/195; PS35/201; PS35/202; PS35 06AQANTXII_4; SL; Southeast Pacific
    Type: Dataset
    Format: application/zip, 11 datasets
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  • 34
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    Mapping of C4 plant input from North West Africa into North East Atlantic sediments (2000)
    PANGAEA
    In:  Supplement to: Huang, Yongsong; Dupont, Lydie M; Sarnthein, Michael; Hayes, John M; Eglinton, Geoffrey (2000): Mapping of C4 plant input from North West Africa into North East Atlantic sediments. Geochimica et Cosmochimica Acta, 64(20), 3505-3513, https://doi.org/10.1016/S0016-7037(00)00445-2
    Details
    Publication Date: 2024-06-26
    Description: Mapping the abundance of 13C in leaf-wax components in surface sediments recovered from the seafloor off northwest Africa (0–35°N) reveals a clear pattern of delta13C distribution, indicating systematic changes in the proportions of terrestrial C3 and C4 plant input. At 20°N latitude, we find that isotopically enriched products characteristic of C4 plants account for more than 50% of the terrigenous inputs. This signal extends westward beneath the path of the dust-laden Sahara Air Layer (SAL). High C4 contributions, apparently carried by January trade winds, also extend far into the Gulf of Guinea. Similar distributions are obtained if summed pollen counts for the Chenopodiaceae-Amaranthaceae and the Poaceae are used as an independent C4 proxy. We conclude that the specificity of the latitudinal distribution of vegetation in North West Africa and the pathways of the wind systems (trade winds and SAL) are responsible for the observed isotopic patterns observed in the surface sediments. Molecular-isotopic maps on the marine-sedimentary time horizons (e.g., during the last glacial maximum) are thus a robust tool for assessing the phytogeographic changes on the tropical and sub-tropical continents, which have important implications for the changes in climatic and atmospheric conditions.
    Keywords: 11139-8bx; 12174-15; AEOLD; Aeolian dust sample; ANT-IV/1c; Atlantic Ocean; BC; BCR; BOFS23/7M; BOFS23#7; BOFS29/2M; BOFS29#2; Box corer; Box corer (Reineck); CD53; Cervaro river; Charles Darwin; D11798#2; D11800#5; D11804#4; D11815#5; D11939#3; D11944#5; D11948#1; D11954#4; D177; D187; DC2; DC23; DI135; DI194; Discovery (1962); Discovery II (1929); East Atlantic; eastern Romanche Fracture Zone; Equatorial Atlantic; FGGE-Equator 79 - First GARP Global Experiment; GEOTROPEX 83, NOAMP I; Giant box corer; GIK12309-2; GIK12326-4; GIK12329-5; GIK12330-1; GIK12344-5; GIK13289-1; GIK13557-1; GIK16004-1; GIK16006-1; GIK16030-1; GIK16405-1; GIK16408-2; GIK16458-2; GIK16757-1; GIK16768-1; GIK16770-1; GIK16772-1; GIK16773-1; GIK16775-2; GIK16778-2; GIK16782-1; GIK16785-1; GIK16789-1; GIK16830-1; GIK16857-2; GIK16866-1; GIK16867-1; GIK16869-1; GIK16873-1; GKG; Gravity corer (Kiel type); Guadiana Estuary; KAL; Kasten corer; KOL; M19; M20; M21; M25; M51; M6/5; M60; M65; Meteor (1964); Meteor (1986); MUC; MultiCorer; Northeast Atlantic; off Cote d Ivoire; off Gabun; off Ghana; off Guinea; off Liberia; off Nigeria-Delta; Piston corer (Kiel type); Polarstern; PS08; Sierra Leone Basin/Guinea Basin; SL; SUBTROPEX 82; TAF69; TAF70; TAF9; VA-10/3; Valdivia (1961); van Veen Grab; VGRAB
    Type: Dataset
    Format: application/zip, 2 datasets
    Location Call Number Expected Availability
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  • 35
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    Alkenone variations, total organic carbon and stable oxygen isotope ratios of the western Arabian Sea (2000)
    PANGAEA
    In:  Supplement to: Budziak, Dörte; Schneider, Ralph R; Rostek, Frauke; Müller, Peter J; Bard, Edouard; Wefer, Gerold (2000): Late Quaternary insolation forcing on total organic carbon and C37 alkenone variations in the Arabian Sea. Paleoceanography, 15(3), 307-321, https://doi.org/10.1029/1999PA000433
    Details
    Publication Date: 2024-06-26
    Description: We here present records of total organic carbon (TOC) and C37 alkenones, used as indicators for past primary productivity, from the western (WAS) and eastern Arabian Sea (EAS). New data from an open ocean site of the WAS upwelling area are compared with similar records from Ocean Drilling Program (ODP) Site 723 from the continental margin off Oman and MD 900963 from the EAS. These records together with other proxies used to reconstruct upwelling intensity, indicate periods of high productivity in tune with precessional forcing. On the basis of their phase relationship to boreal summer insolation they can be divided into three groups: in the WAS differences between monsoonal proxies (1) and productivity (2) document a combined signal of moderate SW monsoon winds and of strengthened and prolonged NE monsoon winds, whereas in the EAS phasing indicates maximum productivity (3) at times of stronger NE monsoon winds associated with precession-related maxima in ice volume.
    Keywords: BIGSET; GeoB; GeoB3005-1; GeoB3005-2; GeoB3005-3; Geosciences, University of Bremen; Gravity corer (Kiel type); GS900963; KOL; M31/3; M31/3_KL35; M31/3-108_GC; M31/3-108_MC1/3, M31/3_MC372; Marion Dufresne (1972); MD65; MD90-963; Meteor (1986); MUC; MultiCorer; PC; Piston corer; Piston corer (Kiel type); SEYMAMA/SHIVA; SL; Western Arabian See
    Type: Dataset
    Format: application/zip, 7 datasets
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  • 36
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    Pigment concentrations in surface sediments of the Arabian Sea (2000)
    PANGAEA
    In:  Supplement to: Pfannkuche, Olaf; Sommer, Stefan; Kähler, A (2000): Coupling between phytodetritus and the small-sized benthic biota in the deep Arabian Sea: analyses of biogenic sediment compound. Deep Sea Research Part II: Topical Studies in Oceanography, 47(14), 2805-2833, https://doi.org/10.1016/S0967-0645(00)00050-3
    Details
    Publication Date: 2024-06-26
    Description: As part of the large-scale, interdisciplinary deep-sea study "BIGSET", the relationship between the monsoon-induced regional and temporal variability of POC deposition and the small-sized benthic community was investigated at several sites 2316-4420 m deep in the Arabian Sea during four cruises between 1995 and 1998. Vertical and horizontal distribution patterns of chloroplastic pigments (a measure of phytodetritus deposition), readily soluble protein and activity, and biomass parameters of the small-sized benthic community (Electron Transport System Activity (ETSA); bacterial ectoenzymatic activity (FDA turnover) and DNA concentrations) were measured concurrently with the vertical fluxes of POC and chloroplastic pigments. Sediment chlorophyll a (chl. a) profiles were used to calculate chl. a flux rates and to estimate POC flux across the sediment water interface using two different transport reaction models. These estimates were compared with corresponding flux rates determined in sediment traps. Regional variability of primary productivity and POC deposition at the deep-sea floor creates a trophic gradient in the Arabian Basin from the NW to the SE, which is primarily related to the activity of monsoon winds and processes associated with the topography of the Arabian Basin and the vicinity of land masses. Inventories of sediment chloroplastic pigments closely corresponded to this trophic gradient. For ETSA, FDA and DNA, however, no clear coupling was found, although stations WAST (western Arabian Sea) and NAST (northern Arabian Sea) were characterised by high concentrations and activities. These parameters exhibited high spatial and temporal variability, making it impossible to recognise clear mechanisms controlling temporal and spatial community patterns of the small-sized benthic biota. Nevertheless, the entire Arabian Basin was recognised as being affected by monsoonal activity. Comparison of two different transport reaction models indicates that labile chl. a buried in deeper sediment layers may escape rapid degradation in Arabian deep-sea sediments.
    Keywords: 109, M31/3-109_MC2; 11#1; 11#2; 110#1, M31/3-110.1_MC2; 110#2, M31/3-110.2_MC2; 110#3, M31/3-110.3_MC1; 110#4, M31/3-110.4_MC3; 13#3; 19#2; 19#7; 19#9; 22#1; 24#1; 26; 3; 30#4; 31#9; 34#1; 35#4; 36#2; 36#3; 41; 43#4; 46; 49#1; 49#8; 50#1; 54; 58#3, CAST; 581; 585; 587; 6#2; 60#3; 603; 611; 614; 633; 637; 641, CAST; 655; 661; 662; 666; 668; 67#1; 671; 70#3, NAST; 73#1; 76#2; 80; 85#1; 88#1; 9#2; 9#4; Arabian Sea; BIGSET; BIGSET-1; BIGSET-2/JGOFS-IN-4; Biogeochemical Fluxes of Matter and Energy in the Deep Sea; Central Arabian Sediment Trap; Eastern Arabian Sediment Trap; M31/3; M31/3_MC-02; M31/3_MC-05; M31/3_MC-07; M31/3_MC-10; M31/3_MC-12; M31/3_MC-15; M31/3_MC-17; M31/3-108_MC1/1, 108; M31/3-112_MC1, MC377, GeoB3010-3; M33/1; M33/1_MC-01; M33/1_MC-04; M33/1_MC-06; M33/1_MC-08; M33/1_MC-10; M33/1_MC-12; M33/1_MC-16; M33/1_MC-18; M33/1_MC-21; M33/1_MC-22; M33/1_MC-24; M33/1_MC-26; M33/1_MC-29; M33/1_MC-31; M33/1_MC-34; Meteor (1986); MUC; MultiCorer; Northern Arabian Sediment Trap; Northern Arabian Sediment Trap/Western Arabian Sediment Trap; SO118; SO118_MC-07; SO118_MC-08; SO118_MC-09; SO118_MC-10; SO118_MC-12; SO118_MC-14; SO118_MC-19; SO118_MC-20; SO118_MC-22; SO118_MC-24; SO118_MC-27; SO118_MC-30; SO118_MC-33; SO118_MC-35; SO118_MC-37; SO118_MC-39; SO118_MC-43; SO118_MC-44; SO118_MC-45; SO118_MC-47; SO118_MC-48; SO118_MC-50; SO129; SO129_MC-01; SO129_MC-04; SO129_MC-06; SO129_MC-08; SO129_MC-10; SO129_MC-11; SO129_MC-13; SO129_MC-15; SO129_MC-17; SO129_MC-18; SO129_MC-20; SO129_MC-21; SO129_MC-23; Sonne; Southern Arabian Sediment Trap; Southern Arabian Sediment Trap/Eastern Arabian Sediment Trap; Southern Arabian Sediment Trap/Western Arabian Sediment Trap; Western Arabian Sediment Trap; Western Arabian Sediment Trap/Central Arabian Sediment Trap; Western Arabian Sediment Trap/Southern Arabian Sediment Trap; Western Arabian Sediment Trap-Kuppe; Western Arabian Sediment Trap Plain; Western Arabian Sediment Trap Top
    Type: Dataset
    Format: application/zip, 57 datasets
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  • 37
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    Megnetic susceptibility of a subtropical South Atlantic transect (2000)
    PANGAEA
    In:  Supplement to: Schmieder, Frank; von Dobeneck, Tilo; Bleil, Ulrich (2000): The Mid-Pleistocene climate transition as documented in the deep South Atlantic Ocean: initiation, interim state and terminal event. Earth and Planetary Science Letters, 179(3-4), 539-549, https://doi.org/10.1016/S0012-821X(00)00143-6
    Details
    Publication Date: 2024-06-26
    Description: The Mid-Pleistocene transition (MPT) of the global climate system, initiated by a shift towards much larger northern hemisphere ice shields at around 920 ka and ending with predominance of 100 kyr ice age cyclicity since about 640 ka, is one of the fundamental enigmas in Quaternary climate evolution. Climate proxy records not exclusively linked to global ice volume are necessary to advance understanding of the MPT. Here we present a high-resolution Pleistocene magnetic susceptibility time series of 12 sediment cores from the subtropical South Atlantic essentially reflecting dissolution driven variations in carbonate accumulation controlled by changes in deep water circulation. In addition to characteristics known from delta18O records, the data sets reveal three remarkable features intimately related to the MPT: (1) an all-Pleistocene minimum of carbonate accumulation in the South Atlantic at 920 ka, (2) a MPT interim state of reduced carbonate deposition, indicating that the MPT period may have been a discrete state of the Pleistocene deep water circulation and climate system and (3) a terminal MPT event at around 540-530 ka documented in several peculiarities such as thick laminated layers of the giant diatom Ethmodiscus rex.
    Keywords: 06MT15_2; Angola Basin; Cape Basin; Eastern Rio Grande Rise; GeoB; GeoB1034-3; GeoB1035-4; GeoB1211-3; GeoB1309-2; GeoB1311-1; GeoB1729-3; GeoB2820-2; GeoB2821-1; GeoB3801-6; GeoB3812-1; GeoB3813-3; GeoB3814-6; Geosciences, University of Bremen; Gravity corer (Kiel type); Hunter Channel; M12/1; M15/2; M20/2; M29/2; M34/3; M6/6; Meteor (1986); Mid Atlantic Ridge; Namibia continental slope; RECON; Reconstructed data; Rio Grande Rise; SFB261; SL; South Atlantic in Late Quaternary: Reconstruction of Budget and Currents; SUSAS_Stack
    Type: Dataset
    Format: application/zip, 13 datasets
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 38
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    Unknown
    Chemistry of particles from the Toba ash layer (2000)
    PANGAEA
    In:  Supplement to: Bühring, Christian; Sarnthein, Michael; ODP Leg 184 Shipboard Scientific Pary (2000): Toba ash layers in the South China Sea: Evidence of contrasting wind directions during eruption ca. 74 ka. Geology, 28(3), 275-278
    Details
    Publication Date: 2024-06-26
    Description: Two cores from the southern South China Sea contain discrete ash layers that mainly consist of rhyolithic glass shards. On the basis of the SPECMAP time scale, the ash layers were dated to ca. 74 ka, the age of the youngest Toba eruption in northern Sumatra. This link is supported by the chemical composition of the glass, which is distinct from volcanic glass supplied from the Philippines and the northern South China Sea, but is almost identical with the chemistry of the Toba ash. The youngest Toba ash layers in the South China Sea expand the previously known ash-fall zone over more than 1800 km to the east. The dispersal of ashes from Sumatra in both western and eastern directions indicates two contrasting wind directions and suggests that (1) the Toba eruption probably happened during the Southeast Asian summer monsoon season, and (2) the volume of erupted magma was larger than previously interpreted.
    Keywords: GIK/IfG; GIK17961-2; GIK17962-4; Gravity corer (Kiel type); Institute for Geosciences, Christian Albrechts University, Kiel; KOL; MONITOR MONSUN; Ocean Drilling Program; ODP; Piston corer (Kiel type); SL; SO95; Sonne; South China Sea
    Type: Dataset
    Format: application/zip, 2 datasets
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 39
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    Planktic foraminiferal populations and test flux in the eastern North Atlantic Ocean (2000)
    PANGAEA
    In:  Supplement to: Schiebel, Ralf; Hemleben, Christoph (2000): Interannual variability of planktic foraminiferal populations and test flux in the eastern North Atlantic Ocean (JGOFS). Deep Sea Research Part II: Topical Studies in Oceanography, 47(9-11), 1809-1852, https://doi.org/10.1016/S0967-0645(00)00008-4
    Details
    Publication Date: 2024-06-26
    Description: Planktic foraminiferal assemblages vary in response to seasonal fluctuations of hydrographic properties, between water masses, and after periodical changes and episodic events (e.g. reproduction, storms). Distinct annual variability of the planktic foraminiferal flux is also known from sediment trap data. In this paper we discuss the short-term impacts on interannual flux rates based on data from opening-closing net hauls obtained between the ocean surface and 500 m water depth. Data were recorded during April, May, June, and August at around 47°N, 20°W (BIOTRANS) in 1988, 1989, 1990, 1992, 1993, and during May 1989 and 1992 at 57°N, 20-22°W. Species assemblages closely resemble each other when comparing the mixed layer fauna with the fauna of the upper 100 m and the upper 500 m of the water column. In addition, species assemblages 〉100 µm are almost indistinguishable from assemblages that are 〉125 µm in test size. The standing stock of planktic foraminifers at BIOTRANS can vary by more than one order of magnitude over different years; however, species assemblages may be similar when comparing corresponding seasons. Early summer assemblages (June) are distinctly different from late summer assemblages (August). Significant variations in the species composition during spring (April/May) are independent of the mixed layer depth. Spring assemblages are characterized by high numbers of Globigerinita glutinata. In particular, day-to-day variations of the number of specimens and in species composition may have the same order of magnitude as interannual variations. This appears to be independent of the reproduction cycle. Species assemblages at 47°N and 57°N are similar during spring, although surface water temperatures and salinities differ by up to 10°C and 0.7 (PSU). We suggest that the main factors controlling the planktic foraminiferal fauna are the trophic properties in the upper ocean productive layer. Planktic foraminiferal carbonate flux as calculated from assemblages reveals large seasonal variations, a quasi-annual periodicity in flux levels, and substantial differences in timing and magnitude of peak fluxes. At the BIOTRANS station, the average annual planktic foraminiferal CaCO3 fluxes at 100 and 500 m depth are estimated to be 22.4 and 10.0 g/m**2/yr, respectively.
    Keywords: 102; 111; 129; 148; 158; 164; 167; 172; 173; 176; 177; 1781; 181; 187; 188; 199; 204; 211; 219; 224; 225; 227; 228; 230; 231; 247; 25; 250; 277; 285; 286; 289; 292; 30; 301; 302; 306; 309; 311; 314; 319; 320; 322; 323; 324; 325; 327; 328; 351; 357; 367; 373; 374; 381; 389; 390; 396; 407; 430; 437; 440; 445; 45; 452; 455; 460; 463; 475; 481; 485; 487; 492; 499; 52; 553; 562; 569; 77; 80; 87; 887; 895; 896; 899; 900; 901; 92; 96; 99; Aegir Ridge; Arquipelago; Azores front; Bear Island; Biotrans; FCA97; FCA97C_MSN1339; FCA97C_MSN1340; FCA97C_MSN1343; FCA97C_MSN1344; FCA97C_MSN1345; FCA97C_MSN1346; GeoTü; GIK/IfG; Institute for Geosciences, Christian Albrechts University, Kiel; JGOFS; Joint Global Ocean Flux Study; Lofoten Basin; M10/2; M10/2_MSN218; M10/2_MSN219; M10/2_MSN229; M10/2_MSN231; M10/2_MSN232; M10/2_MSN234; M10/2_MSN238; M10/2_MSN251; M10/2_MSN261; M10/2_MSN262; M10/2_MSN265; M10/2_MSN268; M10/2_MSN284; M10/2_MSN295; M10/2_MSN297; M10/2_MSN298; M10/2_MSN315; M10/2_MSN317; M10/2_MSN319; M10/2_MSN322; M10/2_MSN332; M10/2_MSN334; M11/1; M11/1_MSN517; M11/1_MSN520; M11/1_MSN522; M11/1_MSN524; M11/1_MSN526; M11/1_MSN528; M12/3; M12/3_MSN533; M12/3_MSN535; M12/3_MSN536; M12/3_MSN538; M12/3_MSN541; M12/3_MSN543; M12/3_MSN545; M12/3_MSN547; M12/3_MSN557; M12/3_MSN558; M12/3_MSN559; M12/3_MSN560; M12/3_MSN561; M12/3_MSN562; M21/1; M21/1_MSN603; M21/1_MSN604; M21/1_MSN605; M21/1_MSN606; M21/1_MSN607; M21/1_MSN608; M21/1_MSN609; M21/1_MSN610; M21/1_MSN611; M21/1_MSN613; M21/1_MSN614; M21/1_MSN615; M21/1_MSN619; M21/1_MSN620; M21/2; M21/2_MSN624; M21/2_MSN627; M21/2_MSN628; M21/2_MSN629; M21/2_MSN638; M21/2_MSN639; M21/2_MSN640; M21/2_MSN641; M21/2_MSN642; M21/2_MSN643; M21/2_MSN644; M21/2_MSN647; M21/2_MSN648; M21/2_MSN649; M21/2_MSN650; M21/2_MSN651; M21/2_MSN652; M21/2_MSN656; M21/2_MSN657; M21/2_MSN658; M21/3; M21/3_MSN661; M21/3_MSN662; M21/3_MSN663; M21/3_MSN671; M21/3_MSN674; M21/3_MSN675; M21/3_MSN676; M21/3_MSN687; M21/3_MSN688; M21/4; M21/4_MSN694; M21/4_MSN695; M21/4_MSN696; M21/4_MSN697; M21/4_MSN698; M21/4_MSN699; M21/4_MSN700; M21/4_MSN701; M21/4_MSN702; M21/4_MSN703; M21/4_MSN704; M21/4_MSN705; M21/4_MSN706; M21/4_MSN707; M21/4_MSN710; M21/4_MSN711; M21/4_MSN712; M21/4_MSN713; M21/4_MSN714; M21/4_MSN715; M21/4_MSN716; M21/4_MSN717; M21/4_MSN718; M21/4_MSN719; M21/4_MSN720; M21/4_MSN721; M21/4_MSN722; M21/4_MSN723; M21/4_MSN724; M21/5; M21/5_MSN728; M21/5_MSN729; M21/5_MSN730; M21/5_MSN731; M21/5_MSN732; M21/5_MSN733; M21/5_MSN734; M21/5_MSN735; M21/5_MSN736; M21/5_MSN739; M21/5_MSN740; M21/5_MSN741; M21/5_MSN742; M21/5_MSN743; M21/6; M21/6_MSN766; M21/6_MSN767; M21/6_MSN768; M21/6_MSN776; M21/6_MSN777; M21/6_MSN778; M21/6_MSN784; M21/6_MSN785; M21/6_MSN786; M21/6_MSN787; M21/6_MSN788; M21/6_MSN789; M26/1; M26/1_MSN843; M26/1_MSN844; M26/1_MSN845; M27/2; M27/2_MSN879; M27/2_MSN882; M27/2_MSN883; M27/2_MSN884; M36/2; M36/2_MSN1107; M36/6; M36/6_MSN1193; M36/6_MSN1194; M36/6_MSN1195; M36/6_MSN1196; M36/6_MSN1197; M36/6_MSN1198; M42/3; M42/3_MSN1359; M42/3_MSN1360; M42/3_MSN1361; M42/3_MSN1362; M42/3_MSN1363; M42/3_MSN1364; M42/3_MSN1365; M42/3_MSN1366; M42/3_MSN1367; M42/3_MSN1368; M42/3_MSN1369; M42/3_MSN1370; M6/7; M6/7_MSN100; M6/7_MSN116; M6/7_MSN119; M6/7_MSN125; M6/7_MSN137; M6/7_MSN140; M6/7_MSN148; M6/7_MSN150; M6/7_MSN91; M6/7_MSN95; M6/7_MSN96; Madeira Basin; Meteor (1986); MSN; Multiple opening/closing net; NE Atlantic; North Atlantic; Northeast Atlantic; Norwegian Sea; Paleoceanography at Tübingen University; PO200F; POS200/6; POS200/6_MSN837; POS231/3; POS231/3_MSN1329; POS231/3_MSN1330; POS231/3_MSN1331; POS231/3_MSN1332; POS231/3_MSN1333; POS231/3_MSN1334; POS231/3_MSN1335; POS231/3_MSN1336; POS231/3_MSN1337; POS231/3_MSN1338; POS247; POS247/2_MSN1371; POS247/2_MSN1372; POS247/2_MSN1373; POS247/2_MSN1374; POS247/2_MSN1375; POS247/2_MSN1376; POS247/2_MSN1377; POS247/2_MSN1378; POS247/2_MSN1379; POS247/2_MSN1380; POS247/2_MSN1381; POS247/2_MSN1382; POS247/2_MSN1383; POS247/2_MSN1384; POS247/2_MSN1385; POS247/2_MSN1386; POS247/2_MSN1387; POS247/2_MSN1388; POS247/2_MSN1389; POS247/2_MSN1390; POS247/2_MSN1391; Poseidon; Rockall Plateau
    Type: Dataset
    Format: application/zip, 153 datasets
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  • 40
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    Composition of sediments from the Arabian Sea (2000)
    PANGAEA
    In:  Supplement to: Sirocko, Frank; Garbe-Schönberg, Dieter; Devey, Colin W (2000): Processes controlling trace element geochemistry of Arabian Sea sediments during the last 25,000 years. Global and Planetary Change, 26(1-3), 217-303, https://doi.org/10.1016/S0921-8181(00)00046-1
    Details
    Publication Date: 2024-06-26
    Description: Thirty seven deep-sea sediment cores from the Arabian Sea were studied geochemically (49 major and trace elements) for four time slices during the Holocene and the last glacial, and in one high sedimentation rate core (century scale resolution) to detect tracers of past variations in the intensity of the atmospheric monsoon circulation and its hydrographic expression in the ocean surface. This geochemical multi-tracer approach, coupled with additional information on the grain size composition of the clastic fraction, the bulk carbonate and biogenic opal contents makes it possible to characterize the sedimentological regime in detail. Sediments characterized by a specific elemental composition (enrichment) originated from the following sources: river suspensions from the Tapti and Narbada, draining the Indian Deccan traps (Ti, Sr); Indus sediments and dust from Rajasthan and Pakistan (Rb, Cs); dust from Iran and the Persian Gulf (Al, Cr); dust from central Arabia (Mg); dust from East Africa and the Red Sea (Zr/Hf, Ti/Al). Corg, Cd, Zn, Ba, Pb, U, and the HREE are associated with the intensity of upwelling in the western Arabian Sea, but only those patterns that are consistently reproduced by all of these elements can be directly linked with the intensity of the southwest monsoon. Relying on information from a single element can be misleading, as each element is affected by various other processes than upwelling intensity and nutrient content of surface water alone. The application of the geochemical multi-tracer approach indicates that the intensity of the southwest monsoon was low during the LGM, declined to a minimum from 15,000-13,000 14C year BP, intensified slightly at the end of this interval, was almost stable during the Bölling, Alleröd and the Younger Dryas, but then intensified in two abrupt successions at the end of the Younger Dryas (9900 14C year BP) and especially in a second event during the early Holocene (8800 14C year BP). Dust discharge by northwesterly winds from Arabia exhibited a similar evolution, but followed an opposite course: high during the LGM with two primary sources--the central Arabian desert and the dry Persian Gulf region. Dust discharge from both regions reached a pronounced maximum at 15,000-13,000 14C year. At the end of this interval, however, the dust plumes from the Persian Gulf area ceased dramatically, whereas dust discharge from central Arabia decreased only slightly. Dust discharge from East Africa and the Red Sea increased synchronously with the two major events of southwest monsoon intensification as recorded in the nutrient content of surface waters. In addition to the tracers of past dust flux and surface water nutrient content, the geochemical multi-tracer approach provides information on the history of deep sea ventilation (Mo, S), which was much lower during the last glacial maximum than during the Holocene. The multi-tracer approach--i.e. a few sedimentological parameters plus a set of geochemical tracers widely available from various multi-element analysis techniques--is a highly applicable technique for studying the complex sedimentation patterns of an ocean basin, and, specifically in the case of the Arabian Sea, can even reveal the seasonal structure of climate change.
    Keywords: 243K; 280K; Arabian Sea; BCR; Box corer (Reineck); Eastern Arabian Sea; GC; GEMINO I; Gravity corer; IIOE - International Indian Ocean Expedition; Indian Ocean; KAL; Kasten corer; KL; KL-15, AS-03; KL-26, AS-02; KL-36, AS-04; KL-51, AS-07; KL-57, AS-08; KL-70, AS-10; KL-71; KL-74, AS-12; KL-79; KL-82, AS-14; KL-87, AS-15; M1; M1_105; M1_105KK; M1_114; M1_114KK; M1_143; M1_143KK; M1_182; M1_182SK; M1_223; M1_223SK; M1_232; M1_232SK; M5/3a; M5/3a-422.1; M5/3a-422.2; Marion Dufresne (1972); MD10; MD13; MD76-123; MD76-125; MD76-127; MD76-128; MD76-135; MD76-136; MD77-191; MD77-194; MD77-200; MD77-202; MD77-203; Meteor (1964); Meteor (1986); Orgon4-KS8; OSIRIS II; OSIRIS III; PC; Piston corer; Piston corer (BGR type); SO28; SO28-11KL; SO28-18KL; SO42; SO42-15KL; SO42-26KL; SO42-36KL; SO42-51KL; SO42-57KL; SO42-70KL; SO42-71KL; SO42-74KL; SO42-79KL; SO42-82KL; SO42-87KL; Sonne; VA-01; VA01/243K; VA01/280K; Valdivia (1961); Western Arabian Sea
    Type: Dataset
    Format: application/zip, 7 datasets
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  • 41
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    Unknown
    Silt fraction analysis of sediment core PS1370-1 (2000)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-06-26
    Keywords: ANT-IV/3; AWI_Paleo; Camp Norway; DEPTH, sediment/rock; Giant box corer; GKG; Grain size, SEDIGRAPH 5000; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS08; PS08/338; PS1370-1; Size fraction 10.309-9.618 µm, 6.6-6.7 phi; Size fraction 11.049-10.309 µm, 6.5-6.6 phi; Size fraction 11.842-11.049 µm, 6.4-6.5 phi; Size fraction 12.691-11.842 µm, 6.3-6.4 phi; Size fraction 13.602-12.691 µm, 6.2-6.3 phi; Size fraction 14.579-13.602 µm, 6.1-6.2 phi; Size fraction 15.625-14.579 µm, 6.0-6.1 phi; Size fraction 16.746-15.625 µm, 5.9-6.0 phi; Size fraction 17.948-16.746 µm, 5.8-5.9 phi; Size fraction 19.237-17.948 µm, 5.7-5.8 phi; Size fraction 2.093-1.953 µm, 8.9-9.0 phi; Size fraction 2.244-2.093 µm, 8.8-8.9 phi; Size fraction 2.405-2.244 µm, 8.7-8.8 phi; Size fraction 2.577-2.405 µm, 8.6-8.7 phi; Size fraction 2.762-2.577 µm, 8.5-8.6 phi; Size fraction 2.960-2.762 µm, 8.4-8.5 phi; Size fraction 20.617-19.237 µm, 5.6-5.7 phi; Size fraction 22.097-20.617 µm, 5.5-5.6 phi; Size fraction 23.683-22.097 µm, 5.4-5.5 phi; Size fraction 25.383-23.683 µm, 5.3-5.4 phi; Size fraction 27.205-25.383 µm, 5.2-5.3 phi; Size fraction 29.157-27.205 µm, 5.1-5.2 phi; Size fraction 3.173-2.960 µm, 8.3-8.4 phi; Size fraction 3.401-3.173 µm, 8.2-8.3 phi; Size fraction 3.645-3.401 µm, 8.1-8.2 phi; Size fraction 3.906-3.645 µm, 8.0-8.1 phi; Size fraction 31.250-29.157 µm, 5.0-5.1 phi; Size fraction 33.493-31.250 µm, 4.9-5.0 phi; Size fraction 35.897-33.493 µm, 4.8-4.9 phi; Size fraction 38.473-35.897 µm, 4.7-4.8 phi; Size fraction 4.187-3.906 µm, 7.9-8.0 phi; Size fraction 4.487-4.187 µm, 7.8-7.9 phi; Size fraction 4.809-4.487 µm, 7.7-7.8 phi; Size fraction 41.235-38.473 µm, 4.6-4.7 phi; Size fraction 44.194-41.235 µm, 4.5-4.6 phi; Size fraction 47.366-44.194 µm, 4.4-4.5 phi; Size fraction 5.154-4.809 µm, 7.6-7.7 phi; Size fraction 5.524-5.154 µm, 7.5-7.6 phi; Size fraction 5.921-5.524 µm, 7.4-7.5 phi; Size fraction 50.766-47.366 µm, 4.3-4.4 phi; Size fraction 54.409-50.766 µm, 4.2-4.3 phi; Size fraction 58.315-54.409 µm, 4.1-4.2 phi; Size fraction 6.346-5.921 µm, 7.3-7.4 phi; Size fraction 6.801-6.346 µm, 7.2-7.3 phi; Size fraction 62.500-58.315 µm, 4.0-4.1 phi; Size fraction 7.289-6.801 µm, 7.1-7.2 phi; Size fraction 7.813-7.289 µm, 7.0-7.1 phi; Size fraction 8.373-7.813 µm, 6.9-7.0 phi; Size fraction 8.974-8.373 µm, 6.8-6.9 phi; Size fraction 9.618-8.974 µm, 6.7-6.8 phi
    Type: Dataset
    Format: text/tab-separated-values, 450 data points
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  • 42
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    Silt fraction analysis of sediment core PS1377-1 (2000)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-06-26
    Keywords: ANT-IV/3; Atka Bay; AWI_Paleo; DEPTH, sediment/rock; Giant box corer; GKG; Grain size, SEDIGRAPH 5000; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS08; PS08/353; PS1377-1; Size fraction 10.309-9.618 µm, 6.6-6.7 phi; Size fraction 11.049-10.309 µm, 6.5-6.6 phi; Size fraction 11.842-11.049 µm, 6.4-6.5 phi; Size fraction 12.691-11.842 µm, 6.3-6.4 phi; Size fraction 13.602-12.691 µm, 6.2-6.3 phi; Size fraction 14.579-13.602 µm, 6.1-6.2 phi; Size fraction 15.625-14.579 µm, 6.0-6.1 phi; Size fraction 16.746-15.625 µm, 5.9-6.0 phi; Size fraction 17.948-16.746 µm, 5.8-5.9 phi; Size fraction 19.237-17.948 µm, 5.7-5.8 phi; Size fraction 2.093-1.953 µm, 8.9-9.0 phi; Size fraction 2.244-2.093 µm, 8.8-8.9 phi; Size fraction 2.405-2.244 µm, 8.7-8.8 phi; Size fraction 2.577-2.405 µm, 8.6-8.7 phi; Size fraction 2.762-2.577 µm, 8.5-8.6 phi; Size fraction 2.960-2.762 µm, 8.4-8.5 phi; Size fraction 20.617-19.237 µm, 5.6-5.7 phi; Size fraction 22.097-20.617 µm, 5.5-5.6 phi; Size fraction 23.683-22.097 µm, 5.4-5.5 phi; Size fraction 25.383-23.683 µm, 5.3-5.4 phi; Size fraction 27.205-25.383 µm, 5.2-5.3 phi; Size fraction 29.157-27.205 µm, 5.1-5.2 phi; Size fraction 3.173-2.960 µm, 8.3-8.4 phi; Size fraction 3.401-3.173 µm, 8.2-8.3 phi; Size fraction 3.645-3.401 µm, 8.1-8.2 phi; Size fraction 3.906-3.645 µm, 8.0-8.1 phi; Size fraction 31.250-29.157 µm, 5.0-5.1 phi; Size fraction 33.493-31.250 µm, 4.9-5.0 phi; Size fraction 35.897-33.493 µm, 4.8-4.9 phi; Size fraction 38.473-35.897 µm, 4.7-4.8 phi; Size fraction 4.187-3.906 µm, 7.9-8.0 phi; Size fraction 4.487-4.187 µm, 7.8-7.9 phi; Size fraction 4.809-4.487 µm, 7.7-7.8 phi; Size fraction 41.235-38.473 µm, 4.6-4.7 phi; Size fraction 44.194-41.235 µm, 4.5-4.6 phi; Size fraction 47.366-44.194 µm, 4.4-4.5 phi; Size fraction 5.154-4.809 µm, 7.6-7.7 phi; Size fraction 5.524-5.154 µm, 7.5-7.6 phi; Size fraction 5.921-5.524 µm, 7.4-7.5 phi; Size fraction 50.766-47.366 µm, 4.3-4.4 phi; Size fraction 54.409-50.766 µm, 4.2-4.3 phi; Size fraction 58.315-54.409 µm, 4.1-4.2 phi; Size fraction 6.346-5.921 µm, 7.3-7.4 phi; Size fraction 6.801-6.346 µm, 7.2-7.3 phi; Size fraction 62.500-58.315 µm, 4.0-4.1 phi; Size fraction 7.289-6.801 µm, 7.1-7.2 phi; Size fraction 7.813-7.289 µm, 7.0-7.1 phi; Size fraction 8.373-7.813 µm, 6.9-7.0 phi; Size fraction 8.974-8.373 µm, 6.8-6.9 phi; Size fraction 9.618-8.974 µm, 6.7-6.8 phi
    Type: Dataset
    Format: text/tab-separated-values, 450 data points
    Location Call Number Expected Availability
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  • 43
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    Unknown
    Silt fraction analysis of sediment core PS1378-1 (2000)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-06-26
    Keywords: ANT-IV/3; Atka Bay; AWI_Paleo; DEPTH, sediment/rock; Giant box corer; GKG; Grain size, SEDIGRAPH 5000; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS08; PS08/354; PS1378-1; Size fraction 10.309-9.618 µm, 6.6-6.7 phi; Size fraction 11.049-10.309 µm, 6.5-6.6 phi; Size fraction 11.842-11.049 µm, 6.4-6.5 phi; Size fraction 12.691-11.842 µm, 6.3-6.4 phi; Size fraction 13.602-12.691 µm, 6.2-6.3 phi; Size fraction 14.579-13.602 µm, 6.1-6.2 phi; Size fraction 15.625-14.579 µm, 6.0-6.1 phi; Size fraction 16.746-15.625 µm, 5.9-6.0 phi; Size fraction 17.948-16.746 µm, 5.8-5.9 phi; Size fraction 19.237-17.948 µm, 5.7-5.8 phi; Size fraction 2.093-1.953 µm, 8.9-9.0 phi; Size fraction 2.244-2.093 µm, 8.8-8.9 phi; Size fraction 2.405-2.244 µm, 8.7-8.8 phi; Size fraction 2.577-2.405 µm, 8.6-8.7 phi; Size fraction 2.762-2.577 µm, 8.5-8.6 phi; Size fraction 2.960-2.762 µm, 8.4-8.5 phi; Size fraction 20.617-19.237 µm, 5.6-5.7 phi; Size fraction 22.097-20.617 µm, 5.5-5.6 phi; Size fraction 23.683-22.097 µm, 5.4-5.5 phi; Size fraction 25.383-23.683 µm, 5.3-5.4 phi; Size fraction 27.205-25.383 µm, 5.2-5.3 phi; Size fraction 29.157-27.205 µm, 5.1-5.2 phi; Size fraction 3.173-2.960 µm, 8.3-8.4 phi; Size fraction 3.401-3.173 µm, 8.2-8.3 phi; Size fraction 3.645-3.401 µm, 8.1-8.2 phi; Size fraction 3.906-3.645 µm, 8.0-8.1 phi; Size fraction 31.250-29.157 µm, 5.0-5.1 phi; Size fraction 33.493-31.250 µm, 4.9-5.0 phi; Size fraction 35.897-33.493 µm, 4.8-4.9 phi; Size fraction 38.473-35.897 µm, 4.7-4.8 phi; Size fraction 4.187-3.906 µm, 7.9-8.0 phi; Size fraction 4.487-4.187 µm, 7.8-7.9 phi; Size fraction 4.809-4.487 µm, 7.7-7.8 phi; Size fraction 41.235-38.473 µm, 4.6-4.7 phi; Size fraction 44.194-41.235 µm, 4.5-4.6 phi; Size fraction 47.366-44.194 µm, 4.4-4.5 phi; Size fraction 5.154-4.809 µm, 7.6-7.7 phi; Size fraction 5.524-5.154 µm, 7.5-7.6 phi; Size fraction 5.921-5.524 µm, 7.4-7.5 phi; Size fraction 50.766-47.366 µm, 4.3-4.4 phi; Size fraction 54.409-50.766 µm, 4.2-4.3 phi; Size fraction 58.315-54.409 µm, 4.1-4.2 phi; Size fraction 6.346-5.921 µm, 7.3-7.4 phi; Size fraction 6.801-6.346 µm, 7.2-7.3 phi; Size fraction 62.500-58.315 µm, 4.0-4.1 phi; Size fraction 7.289-6.801 µm, 7.1-7.2 phi; Size fraction 7.813-7.289 µm, 7.0-7.1 phi; Size fraction 8.373-7.813 µm, 6.9-7.0 phi; Size fraction 8.974-8.373 µm, 6.8-6.9 phi; Size fraction 9.618-8.974 µm, 6.7-6.8 phi
    Type: Dataset
    Format: text/tab-separated-values, 400 data points
    Location Call Number Expected Availability
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  • 44
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    Unknown
    Age model of sediment core PS2513-3 (2000)
    PANGAEA
    Details
    Publication Date: 2024-06-26
    Keywords: Age, comment; Age model; Age model, lithological correlation; ANT-XI/2; AWI_Paleo; DEPTH, sediment/rock; KL; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Piston corer (BGR type); Polarstern; PS2513-3; PS28; PS28/373; Scotia Sea, southwest Atlantic
    Type: Dataset
    Format: text/tab-separated-values, 24 data points
    Location Call Number Expected Availability
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  • 45
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    Unknown
    Age model of sediment core PS1466-1 (2000)
    PANGAEA
    Details
    Publication Date: 2024-06-26
    Keywords: Age, comment; Age model; Age model, paleomagnetic; ANT-IV/4; AWI_Paleo; DEPTH, sediment/rock; Gravity corer (Kiel type); Maud Rise; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS08; PS08/646; PS1466-1; SL
    Type: Dataset
    Format: text/tab-separated-values, 26 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 46
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    Unknown
    Continuous thermosalinograph oceanography along POLARSTERN cruise track ANT-XVII/4 (2000)
    PANGAEA
    Details
    Publication Date: 2024-06-26
    Keywords: ANT-XVII/4; AWI_PhyOce; CT; DATE/TIME; DEPTH, water; GEOMOUND; LATITUDE; LONGITUDE; Physical Oceanography @ AWI; Polarstern; PS56; PS56/4-track; Temperature, water; The Mound Factory: Internal Controls; Thermosalinograph; TSG; Underway cruise track measurements
    Type: Dataset
    Format: text/tab-separated-values, 661 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 47
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    Unknown
    Sea surface temperatures calculated with modern analog technique on sediment core MD95-2012 (2000)
    PANGAEA
    Details
    Publication Date: 2024-06-26
    Keywords: Bear Island Fan; CALYPSO; Calypso Corer; DEPTH, sediment/rock; Global Environmental Change: The Northern North Atlantic; IMAGES; IMAGES I; International Marine Global Change Study; Marion Dufresne (1995); MD101; MD952012; MD95-2012; Modern analog technique (MAT); Modern analog technique (MAT), SIMMAX28; Sea surface temperature, January-March; Sea surface temperature, January-March, maximum; Sea surface temperature, January-March, minimum; Sea surface temperature, January-March, standard deviation; Sea surface temperature, July-September; Sea surface temperature, July-September, maximum; Sea surface temperature, July-September, minimum; Sea surface temperature, July-September, standard deviation; SFB313; Similarity index
    Type: Dataset
    Format: text/tab-separated-values, 1566 data points
    Location Call Number Expected Availability
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  • 48
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    Unknown
    Physical properties of sediment core PS56/213-2 (2000)
    PANGAEA
    Details
    Publication Date: 2024-06-26
    Keywords: ANT-XVII/4; AWI_Paleo; Calculated from density; Calculated from Vp and wet bulk density; Density, wet bulk; DEPTH, sediment/rock; Impedance, specific; KL; Magnetic susceptibility, volume; Multi-Sensor Core Logger/colorscan/scion image; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Piston corer (BGR type); Polarstern; Porosity; PS56; PS56/213-2; South Atlantic; Susceptibility unit, AWI, 140 mm [cor. factor 14.584]; Velocity, compressional, amplitude; Velocity, compressional wave
    Type: Dataset
    Format: text/tab-separated-values, 11793 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 49
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    Unknown
    Densities of sediment core PS2489-2 (2000)
    PANGAEA
    Details
    Publication Date: 2024-06-26
    Keywords: Agulhas Ridge; ANT-XI/2; AWI_Paleo; Calculated; Calculated, dried, re-weight; Density; Density, dry bulk; Density, grain; Density, wet bulk; DEPTH, sediment/rock; KL; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Piston corer (BGR type); Polarstern; Porosity; PS2489-2; PS28; PS28/256; Pycnometer (Micromeritics); Water content, wet mass
    Type: Dataset
    Format: text/tab-separated-values, 870 data points
    Location Call Number Expected Availability
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  • 50
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    Unknown
    Silt fraction analysis of sediment core PS1369-1 (2000)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-06-26
    Keywords: ANT-IV/3; AWI_Paleo; Camp Norway; DEPTH, sediment/rock; Giant box corer; GKG; Grain size, SEDIGRAPH 5000; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS08; PS08/336; PS1369-1; Size fraction 10.309-9.618 µm, 6.6-6.7 phi; Size fraction 11.049-10.309 µm, 6.5-6.6 phi; Size fraction 11.842-11.049 µm, 6.4-6.5 phi; Size fraction 12.691-11.842 µm, 6.3-6.4 phi; Size fraction 13.602-12.691 µm, 6.2-6.3 phi; Size fraction 14.579-13.602 µm, 6.1-6.2 phi; Size fraction 15.625-14.579 µm, 6.0-6.1 phi; Size fraction 16.746-15.625 µm, 5.9-6.0 phi; Size fraction 17.948-16.746 µm, 5.8-5.9 phi; Size fraction 19.237-17.948 µm, 5.7-5.8 phi; Size fraction 2.093-1.953 µm, 8.9-9.0 phi; Size fraction 2.244-2.093 µm, 8.8-8.9 phi; Size fraction 2.405-2.244 µm, 8.7-8.8 phi; Size fraction 2.577-2.405 µm, 8.6-8.7 phi; Size fraction 2.762-2.577 µm, 8.5-8.6 phi; Size fraction 2.960-2.762 µm, 8.4-8.5 phi; Size fraction 20.617-19.237 µm, 5.6-5.7 phi; Size fraction 22.097-20.617 µm, 5.5-5.6 phi; Size fraction 23.683-22.097 µm, 5.4-5.5 phi; Size fraction 25.383-23.683 µm, 5.3-5.4 phi; Size fraction 27.205-25.383 µm, 5.2-5.3 phi; Size fraction 29.157-27.205 µm, 5.1-5.2 phi; Size fraction 3.173-2.960 µm, 8.3-8.4 phi; Size fraction 3.401-3.173 µm, 8.2-8.3 phi; Size fraction 3.645-3.401 µm, 8.1-8.2 phi; Size fraction 3.906-3.645 µm, 8.0-8.1 phi; Size fraction 31.250-29.157 µm, 5.0-5.1 phi; Size fraction 33.493-31.250 µm, 4.9-5.0 phi; Size fraction 35.897-33.493 µm, 4.8-4.9 phi; Size fraction 38.473-35.897 µm, 4.7-4.8 phi; Size fraction 4.187-3.906 µm, 7.9-8.0 phi; Size fraction 4.487-4.187 µm, 7.8-7.9 phi; Size fraction 4.809-4.487 µm, 7.7-7.8 phi; Size fraction 41.235-38.473 µm, 4.6-4.7 phi; Size fraction 44.194-41.235 µm, 4.5-4.6 phi; Size fraction 47.366-44.194 µm, 4.4-4.5 phi; Size fraction 5.154-4.809 µm, 7.6-7.7 phi; Size fraction 5.524-5.154 µm, 7.5-7.6 phi; Size fraction 5.921-5.524 µm, 7.4-7.5 phi; Size fraction 50.766-47.366 µm, 4.3-4.4 phi; Size fraction 54.409-50.766 µm, 4.2-4.3 phi; Size fraction 58.315-54.409 µm, 4.1-4.2 phi; Size fraction 6.346-5.921 µm, 7.3-7.4 phi; Size fraction 6.801-6.346 µm, 7.2-7.3 phi; Size fraction 62.500-58.315 µm, 4.0-4.1 phi; Size fraction 7.289-6.801 µm, 7.1-7.2 phi; Size fraction 7.813-7.289 µm, 7.0-7.1 phi; Size fraction 8.373-7.813 µm, 6.9-7.0 phi; Size fraction 8.974-8.373 µm, 6.8-6.9 phi; Size fraction 9.618-8.974 µm, 6.7-6.8 phi
    Type: Dataset
    Format: text/tab-separated-values, 400 data points
    Location Call Number Expected Availability
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  • 51
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    Organic compounds in surface sediments from the Pakistan continental margin (2000)
    PANGAEA
    In:  Supplement to: Schulte, Sonja; Mangelsdorf, Kai; Rullkötter, Jürgen (2000): Organic matter preservation on the Pakistan continental margin as revealed by biomarker geochemistry. Organic Geochemistry, 31(10), 1005-1022, https://doi.org/10.1016/S0146-6380(00)00108-X
    Details
    Publication Date: 2024-06-26
    Description: In order to assess whether the oxygen-minimum zone (OMZ) in the Arabian sea has an effect on the preservation and composition of organic matter in surface sediments we investigated samples from three different transects on the Pakistan continental margin across the OMZ. In addition to determining the total amount of organic carbon (TOC), we analyzed the extractable lipids by gas chromatography, combined gas chromatography/mass spectrometry, and compound-specific stable carbon isotope measurements. The extractable lipids are dominated by marine organic matter as indicated by the abundance of lipids typical of marine biota and by the bulk and molecular isotopic composition. Sediments from within the OMZ are enriched in organic carbon and in several extractable lipids (i.e. phytol, n-alcohols, total sterols, n-C35 alkane) relative to stations above and below this zone. Other lipid concentrations, such as those of total n-fatty acids and total n-alkanes fail to show any relation to the OMZ. Only a weak correlation of TOC with mineral surface area was found in sediments deposited within the OMZ. In contrast, sediments from outside the OMZ do not show any relationship between TOC and surface area. Among the extractable lipids, only the n-alkane concentration is highly correlated with surface area in sediments from the Hab and Makran transects. In sediments from outside the OMZ, the phytol and sterol concentrations are also weakly correlated with mineral surface area. The depositional environment of the Indus Fan offers the best conditions for an enhanced preservation of organic matter. The OMZ, together with the undisturbed sedimentation at moderate rates, seems to be mainly responsible for the high TOC values in this area. Overall, the type of organic matter and its lability toward oxic degradation, the mineral surface area, the mineral composition, and possibly the secondary productivity by (sedimentary) bacteria also appear to have an influence on organic matter accumulation and composition.
    Keywords: 3,7,11 Methyl, 15, Dimethyl, pentan-2dien-1ol, Phytol normalized to TOC, per unit mass total organic carbon; 4alpha,23,24-Trimethyl-5alpha-cholest-22E-en-3beta-ol, per unit mass total organic carbon; Arabian Sea; BCR; Box corer (Reineck); Calculated; Carbon, organic, total; Carbon in carbonate; DEPTH, sediment/rock; Element analyser CHN; Elevation of event; Event label; Gas chromatography; Gas chromatography - Mass spectrometry (GC-MS); iso-, antiso C15 and C17 acid, per unit mass total organic carbon; Latitude of event; Longitude of event; n-Alcohol, per unit mass total organic carbon; n-Alkane, total per unit sediment mass; n-Hentriacontane normalized to total organic carbon; n-Pentatriacontane (C35H72), per unit mass total organic carbon; PAKOMIN; SO90; SO90_103KG; SO90_107KG; SO90_110KG; SO90_113KG; SO90_115KG; SO90_120KG; SO90_124KG; SO90_129KG; SO90_12KG; SO90_142KG; SO90_163KG; SO90_164KG; SO90_168KG; SO90_173KG; SO90_180KG; SO90_18KG; SO90_1KG; SO90_20KG; SO90_23KG; SO90_24KG; SO90_28KG; SO90_34KG; SO90_39KG; SO90_65KG; SO90_69KG; SO90_79KG; SO90_85KG; SO90_87KG; SO90_95KG; SO90_96KG; SO90_99KG; Sonne; Sum n-Tetracosanoic acid+n-Hexacosanoic acid per unit mass total organic carbo; sum per unit mass fatty acids (C12...C33) of total organic carbon; Sum sterols normalized to total organic carbon mass
    Type: Dataset
    Format: text/tab-separated-values, 270 data points
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  • 52
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    Foraminifera isotopes, surface data (2000)
    PANGAEA
    Details
    Publication Date: 2024-06-26
    Keywords: 06MT15_2; Agulhas Basin; Amazon Fan; Angola Basin; ANT-IX/4; ANT-VI/3; ANT-VIII/3; ANT-X/4; ANT-X/5; ANT-X/6; Atlantic Indik Ridge; Atlantic Ridge; AWI_Paleo; Brazil Basin; Cape Basin; CTD/Rosette; CTD-RO; DEPTH, sediment/rock; Discovery Seamount; East Brazil Basin; Eastern Rio Grande Rise; Elevation of event; Equatorial Atlantic; Event label; GeoB; GeoB1000-1; GeoB1005-2; GeoB1014-2; GeoB1017-3; GeoB1027-2; GeoB1028-4; GeoB1029-1; GeoB1030-3; GeoB1031-1; GeoB1032-2; GeoB1033-2; GeoB1034-1; GeoB1035-3; GeoB1039-1; GeoB1040-3; GeoB1041-1; GeoB1046-2; GeoB1103-3; GeoB1104-5; GeoB1105-3; GeoB1106-5; GeoB1108-6; GeoB1111-5; GeoB1112-3; GeoB1113-7; GeoB1114-3; GeoB1115-4; GeoB1117-3; GeoB1203-2; GeoB1204-3; GeoB1207-2; GeoB1208-1; GeoB1209-1; GeoB1210-3; GeoB1215-1; GeoB1216-2; GeoB1217-1; GeoB1218-1; GeoB1220-2; GeoB1306-1; GeoB1307-2; GeoB1308-1; GeoB1309-3; GeoB1310-1; GeoB1311-2; GeoB1312-1; GeoB1313-1; GeoB1314-2; GeoB1315-2; GeoB1401-1; GeoB1402-7; GeoB1403-2; GeoB1404-8; GeoB1407-8; GeoB1413-1; GeoB1414-2; GeoB1415-1; GeoB1417-1; GeoB1418-1; GeoB1419-1; GeoB1501-1; GeoB1503-2; GeoB1504-1; GeoB1505-3; GeoB1506-1; GeoB1508-1; GeoB1511-6; GeoB1512-1; GeoB1513-2; GeoB1514-5; GeoB1515-2; GeoB1516-1; GeoB1522-1; GeoB1523-2; GeoB1701-2; GeoB1709-3; GeoB1711-5; GeoB1715-1; GeoB1716-2; GeoB1720-4; GeoB1721-4; GeoB1722-3; GeoB1726-1; GeoB1728-3; GeoB1729-1; GeoB2102-1; GeoB2104-1; GeoB2105-3; GeoB2106-1; GeoB2107-5; GeoB2109-3; GeoB2111-2; GeoB2112-1; GeoB2118-1; GeoB2119-2; GeoB2124-1; GeoB2125-2; GeoB2126-1; GeoB2130-1; GeoB2201-1; GeoB2202-5; GeoB2204-1; GeoB2205-4; GeoB2206-1; GeoB2207-2; GeoB2208-1; GeoB2213-1; GeoB2215-8; GeoB2216-2; Geosciences, University of Bremen; Giant box corer; GKG; Globigerinoides sacculifer, δ18O; Globorotalia truncatulinoides dextral, δ18O; Globorotalia truncatulinoides sinistral, δ18O; Gravity corer (Kiel type); Guinea Basin; Hunter Channel; Kongo delta; LATITUDE; LONGITUDE; M12/1; M15/2; M16/1; M16/2; M20/2; M23/2; M23/3; M6/6; M9/4; Mass spectrometer Finnigan MAT 251; Meteor (1986); Meteor Rise; MIC; Mid Atlantic Ridge; MiniCorer; MSN; MUC; MultiCorer; Multiple opening/closing net; Namibia Continental Margin; Namibia continental slope; Neogloboquadrina pachyderma sinistral, δ18O; Niger Sediment Fan; Northern Rio Grande Rise; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS12; PS12/557; PS16; PS16/267; PS16/278; PS16/284; PS16/294; PS16/334; PS16/337; PS16/342; PS16/345; PS16/351; PS1654-1; PS1751-2; PS1754-2; PS1756-6; PS1759-1; PS1775-5; PS1776-6; PS1777-7; PS1778-1; PS1779-3; PS18; PS18/231; PS18/232; PS18/236; PS18/239; PS18/241; PS18/242; PS18/243; PS18/244; PS18/260; PS18/261; PS18/262; PS18/263; PS18/264; PS18/269; PS2075-3; PS2076-1; PS2080-1; PS2083-1; PS2084-2; PS2085-1; PS2086-3; PS2087-1; PS2102-1; PS2103-2; PS2104-1; PS2105-2; PS2106-1; PS21 06AQANTX_4; PS2110-1; PS22; PS22/755; PS22/835; PS22/838; PS22/840; PS22/841; PS22/842; PS22/850; PS22/851; PS22/852; PS22/853; PS22/879; PS22/899; PS22/902; PS22/908; PS22/947; PS22 06AQANTX_5; PS2230-1; PS2231-1; PS2237-1; PS2239-1; PS2240-1; PS2241-1; PS2242-1; PS2272-1; PS2336-1; PS2339-1; PS2341-1; PS2342-1; PS2343-1; PS2351-1; PS2352-1; PS2353-2; PS2354-1; PS2363-1; PS2366-1; PS2367-1; PS2368-1; PS2372-1; Shona Ridge; SL; South Atlantic; South Atlantic Ocean; Southwest Guinea Basin; Walvis Ridge; West Angola Basin
    Type: Dataset
    Format: text/tab-separated-values, 242 data points
    Location Call Number Expected Availability
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  • 53
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    Silt fraction analysis of sediment core PS1380-3 (2000)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-06-26
    Keywords: ANT-IV/3; Atka Bay; AWI_Paleo; DEPTH, sediment/rock; Grain size, SEDIGRAPH 5000; Gravity corer (Kiel type); Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS08; PS08/356; PS1380-3; Size fraction 10.309-9.618 µm, 6.6-6.7 phi; Size fraction 11.049-10.309 µm, 6.5-6.6 phi; Size fraction 11.842-11.049 µm, 6.4-6.5 phi; Size fraction 12.691-11.842 µm, 6.3-6.4 phi; Size fraction 13.602-12.691 µm, 6.2-6.3 phi; Size fraction 14.579-13.602 µm, 6.1-6.2 phi; Size fraction 15.625-14.579 µm, 6.0-6.1 phi; Size fraction 16.746-15.625 µm, 5.9-6.0 phi; Size fraction 17.948-16.746 µm, 5.8-5.9 phi; Size fraction 19.237-17.948 µm, 5.7-5.8 phi; Size fraction 2.093-1.953 µm, 8.9-9.0 phi; Size fraction 2.244-2.093 µm, 8.8-8.9 phi; Size fraction 2.405-2.244 µm, 8.7-8.8 phi; Size fraction 2.577-2.405 µm, 8.6-8.7 phi; Size fraction 2.762-2.577 µm, 8.5-8.6 phi; Size fraction 2.960-2.762 µm, 8.4-8.5 phi; Size fraction 20.617-19.237 µm, 5.6-5.7 phi; Size fraction 22.097-20.617 µm, 5.5-5.6 phi; Size fraction 23.683-22.097 µm, 5.4-5.5 phi; Size fraction 25.383-23.683 µm, 5.3-5.4 phi; Size fraction 27.205-25.383 µm, 5.2-5.3 phi; Size fraction 29.157-27.205 µm, 5.1-5.2 phi; Size fraction 3.173-2.960 µm, 8.3-8.4 phi; Size fraction 3.401-3.173 µm, 8.2-8.3 phi; Size fraction 3.645-3.401 µm, 8.1-8.2 phi; Size fraction 3.906-3.645 µm, 8.0-8.1 phi; Size fraction 31.250-29.157 µm, 5.0-5.1 phi; Size fraction 33.493-31.250 µm, 4.9-5.0 phi; Size fraction 35.897-33.493 µm, 4.8-4.9 phi; Size fraction 38.473-35.897 µm, 4.7-4.8 phi; Size fraction 4.187-3.906 µm, 7.9-8.0 phi; Size fraction 4.487-4.187 µm, 7.8-7.9 phi; Size fraction 4.809-4.487 µm, 7.7-7.8 phi; Size fraction 41.235-38.473 µm, 4.6-4.7 phi; Size fraction 44.194-41.235 µm, 4.5-4.6 phi; Size fraction 47.366-44.194 µm, 4.4-4.5 phi; Size fraction 5.154-4.809 µm, 7.6-7.7 phi; Size fraction 5.524-5.154 µm, 7.5-7.6 phi; Size fraction 5.921-5.524 µm, 7.4-7.5 phi; Size fraction 50.766-47.366 µm, 4.3-4.4 phi; Size fraction 54.409-50.766 µm, 4.2-4.3 phi; Size fraction 58.315-54.409 µm, 4.1-4.2 phi; Size fraction 6.346-5.921 µm, 7.3-7.4 phi; Size fraction 6.801-6.346 µm, 7.2-7.3 phi; Size fraction 62.500-58.315 µm, 4.0-4.1 phi; Size fraction 7.289-6.801 µm, 7.1-7.2 phi; Size fraction 7.813-7.289 µm, 7.0-7.1 phi; Size fraction 8.373-7.813 µm, 6.9-7.0 phi; Size fraction 8.974-8.373 µm, 6.8-6.9 phi; Size fraction 9.618-8.974 µm, 6.7-6.8 phi; SL
    Type: Dataset
    Format: text/tab-separated-values, 5000 data points
    Location Call Number Expected Availability
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  • 54
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    Unknown
    Silt fraction analysis of sediment core PS1381-1 (2000)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-06-26
    Keywords: ANT-IV/3; Atka Bay; AWI_Paleo; DEPTH, sediment/rock; Giant box corer; GKG; Grain size, SEDIGRAPH 5000; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS08; PS08/357; PS1381-1; Size fraction 10.309-9.618 µm, 6.6-6.7 phi; Size fraction 11.049-10.309 µm, 6.5-6.6 phi; Size fraction 11.842-11.049 µm, 6.4-6.5 phi; Size fraction 12.691-11.842 µm, 6.3-6.4 phi; Size fraction 13.602-12.691 µm, 6.2-6.3 phi; Size fraction 14.579-13.602 µm, 6.1-6.2 phi; Size fraction 15.625-14.579 µm, 6.0-6.1 phi; Size fraction 16.746-15.625 µm, 5.9-6.0 phi; Size fraction 17.948-16.746 µm, 5.8-5.9 phi; Size fraction 19.237-17.948 µm, 5.7-5.8 phi; Size fraction 2.093-1.953 µm, 8.9-9.0 phi; Size fraction 2.244-2.093 µm, 8.8-8.9 phi; Size fraction 2.405-2.244 µm, 8.7-8.8 phi; Size fraction 2.577-2.405 µm, 8.6-8.7 phi; Size fraction 2.762-2.577 µm, 8.5-8.6 phi; Size fraction 2.960-2.762 µm, 8.4-8.5 phi; Size fraction 20.617-19.237 µm, 5.6-5.7 phi; Size fraction 22.097-20.617 µm, 5.5-5.6 phi; Size fraction 23.683-22.097 µm, 5.4-5.5 phi; Size fraction 25.383-23.683 µm, 5.3-5.4 phi; Size fraction 27.205-25.383 µm, 5.2-5.3 phi; Size fraction 29.157-27.205 µm, 5.1-5.2 phi; Size fraction 3.173-2.960 µm, 8.3-8.4 phi; Size fraction 3.401-3.173 µm, 8.2-8.3 phi; Size fraction 3.645-3.401 µm, 8.1-8.2 phi; Size fraction 3.906-3.645 µm, 8.0-8.1 phi; Size fraction 31.250-29.157 µm, 5.0-5.1 phi; Size fraction 33.493-31.250 µm, 4.9-5.0 phi; Size fraction 35.897-33.493 µm, 4.8-4.9 phi; Size fraction 38.473-35.897 µm, 4.7-4.8 phi; Size fraction 4.187-3.906 µm, 7.9-8.0 phi; Size fraction 4.487-4.187 µm, 7.8-7.9 phi; Size fraction 4.809-4.487 µm, 7.7-7.8 phi; Size fraction 41.235-38.473 µm, 4.6-4.7 phi; Size fraction 44.194-41.235 µm, 4.5-4.6 phi; Size fraction 47.366-44.194 µm, 4.4-4.5 phi; Size fraction 5.154-4.809 µm, 7.6-7.7 phi; Size fraction 5.524-5.154 µm, 7.5-7.6 phi; Size fraction 5.921-5.524 µm, 7.4-7.5 phi; Size fraction 50.766-47.366 µm, 4.3-4.4 phi; Size fraction 54.409-50.766 µm, 4.2-4.3 phi; Size fraction 58.315-54.409 µm, 4.1-4.2 phi; Size fraction 6.346-5.921 µm, 7.3-7.4 phi; Size fraction 6.801-6.346 µm, 7.2-7.3 phi; Size fraction 62.500-58.315 µm, 4.0-4.1 phi; Size fraction 7.289-6.801 µm, 7.1-7.2 phi; Size fraction 7.813-7.289 µm, 7.0-7.1 phi; Size fraction 8.373-7.813 µm, 6.9-7.0 phi; Size fraction 8.974-8.373 µm, 6.8-6.9 phi; Size fraction 9.618-8.974 µm, 6.7-6.8 phi
    Type: Dataset
    Format: text/tab-separated-values, 350 data points
    Location Call Number Expected Availability
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  • 55
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    Sand fraction analysis of sediment core PS1389-3 (2000)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-06-26
    Keywords: ANT-IV/3; Atka Bay; AWI_Paleo; DEPTH, sediment/rock; Grain size, sieving; Gravity corer (Kiel type); Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS08; PS08/367; PS1389-3; Size fraction 〉 2 mm, gravel; Size fraction 0.125-0.063 mm, 3.0-4.0 phi, very fine sand; Size fraction 0.250-0.125 mm, 2.0-3.0 phi, fine sand; Size fraction 0.500-0.250 mm, 1.0-2.0 phi, medium sand; Size fraction 1.000-0.500 mm, 0.0-1.0 phi, coarse sand; Size fraction 2.000-1.000 mm, (-1.0)-0.0 phi, very coarse sand; SL
    Type: Dataset
    Format: text/tab-separated-values, 558 data points
    Location Call Number Expected Availability
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  • 56
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    Sand fraction analysis of sediment core PS1390-3 (2000)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-06-26
    Keywords: ANT-IV/3; Atka Bay; AWI_Paleo; DEPTH, sediment/rock; Grain size, sieving; Gravity corer (Kiel type); Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS08; PS08/368; PS1390-3; Size fraction 〉 2 mm, gravel; Size fraction 0.125-0.063 mm, 3.0-4.0 phi, very fine sand; Size fraction 0.250-0.125 mm, 2.0-3.0 phi, fine sand; Size fraction 0.500-0.250 mm, 1.0-2.0 phi, medium sand; Size fraction 1.000-0.500 mm, 0.0-1.0 phi, coarse sand; Size fraction 2.000-1.000 mm, (-1.0)-0.0 phi, very coarse sand; SL
    Type: Dataset
    Format: text/tab-separated-values, 648 data points
    Location Call Number Expected Availability
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  • 57
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    Unknown
    Sand fraction analysis of sediment core PS1394-4 (2000)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-06-26
    Keywords: ANT-IV/3; Atka Bay; AWI_Paleo; DEPTH, sediment/rock; Grain size, sieving; Gravity corer (Kiel type); Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS08; PS08/374; PS1394-4; Size fraction 〉 2 mm, gravel; Size fraction 0.125-0.063 mm, 3.0-4.0 phi, very fine sand; Size fraction 0.250-0.125 mm, 2.0-3.0 phi, fine sand; Size fraction 0.500-0.250 mm, 1.0-2.0 phi, medium sand; Size fraction 1.000-0.500 mm, 0.0-1.0 phi, coarse sand; Size fraction 2.000-1.000 mm, (-1.0)-0.0 phi, very coarse sand; SL
    Type: Dataset
    Format: text/tab-separated-values, 600 data points
    Location Call Number Expected Availability
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  • 58
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    Unknown
    Sand fraction analysis of sediment core PS1481-3 (2000)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-06-26
    Keywords: ANT-V/4; AWI_Paleo; DEPTH, sediment/rock; Grain size, sieving; Gravity corer (Kiel type); Kapp Norvegia; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS10; PS10/694; PS1481-3; Size fraction 〉 2 mm, gravel; Size fraction 0.125-0.063 mm, 3.0-4.0 phi, very fine sand; Size fraction 0.250-0.125 mm, 2.0-3.0 phi, fine sand; Size fraction 0.500-0.250 mm, 1.0-2.0 phi, medium sand; Size fraction 1.000-0.500 mm, 0.0-1.0 phi, coarse sand; Size fraction 2.000-1.000 mm, (-1.0)-0.0 phi, very coarse sand; SL
    Type: Dataset
    Format: text/tab-separated-values, 924 data points
    Location Call Number Expected Availability
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  • 59
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    Unknown
    Sand fraction analysis of sediment core PS1431-1 (2000)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-06-26
    Keywords: ANT-IV/3; Atka Bay; AWI_Paleo; DEPTH, sediment/rock; Grain size, sieving; Gravity corer (Kiel type); Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS08; PS08/486; PS1431-1; Size fraction 〉 2 mm, gravel; Size fraction 0.125-0.063 mm, 3.0-4.0 phi, very fine sand; Size fraction 0.250-0.125 mm, 2.0-3.0 phi, fine sand; Size fraction 0.500-0.250 mm, 1.0-2.0 phi, medium sand; Size fraction 1.000-0.500 mm, 0.0-1.0 phi, coarse sand; Size fraction 2.000-1.000 mm, (-1.0)-0.0 phi, very coarse sand; SL
    Type: Dataset
    Format: text/tab-separated-values, 594 data points
    Location Call Number Expected Availability
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  • 60
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    Sand fraction analysis of sediment core PS1392-1 (2000)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-06-26
    Keywords: ANT-IV/3; Atka Bay; AWI_Paleo; DEPTH, sediment/rock; Grain size, sieving; Gravity corer (Kiel type); Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS08; PS08/371; PS1392-1; Size fraction 〉 2 mm, gravel; Size fraction 0.125-0.063 mm, 3.0-4.0 phi, very fine sand; Size fraction 0.250-0.125 mm, 2.0-3.0 phi, fine sand; Size fraction 0.500-0.250 mm, 1.0-2.0 phi, medium sand; Size fraction 1.000-0.500 mm, 0.0-1.0 phi, coarse sand; Size fraction 2.000-1.000 mm, (-1.0)-0.0 phi, very coarse sand; SL
    Type: Dataset
    Format: text/tab-separated-values, 486 data points
    Location Call Number Expected Availability
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  • 61
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    Dinoflagellate cysts counts of sediment core MD95-2042 (2000)
    PANGAEA
    In:  Supplement to: Eynaud, Frédérique; Turon, Jean-Louis; Sanchez Goñi, Maria Fernanda; Gendreau, S (2000): Dinoflagellate cyst evidence of Heinrich like events off Portugal during the Marine Isotopic Stage 5. Marine Micropaleontology, 40(1-2), 9-21, https://doi.org/10.1016/S0377-8398(99)00045-6
    Details
    Publication Date: 2024-06-26
    Description: Dinoflagellate cysts were analysed from IMAGES core MD952042 (37°48?N; 10°01?W) retrieved from the Tagus Abyssal Plain. Previous results of stable isotope and magnetic susceptibility measurements as well as of planktonic foraminiferal temperature reconstruction from this core, suggest the occurrence of “Heinrich-like events” (i.e. large ice-sheet decay) during Marine Isotopic Stage 5 (MIS 5). Dinoflagellate assemblages of this time period have revealed six dinocyst events that are characterised by peaks in Bitectatodinium tepikiense percentages. These events occur synchronously with “Heinrich-like events” previously identified. They are coeval with major retreats of the forest on land, indicating, therefore, drastic changes in the regional climate. However, results from the Ice-Rafted Detritus (IRD) analysis of the 〉150 ?m lithic fraction shows that MIS 5 of MD952042 has only recorded one significant input of iceberg discharge, located at the MIS 6/MIS 5 transition. It seems therefore that it is the only event that could be called a “true Heinrich event”.
    Keywords: Alexandrium excavatum; Ataxiodinium choane; Bitectatodinium tepikiense; Brigantedinium; CALYPSO; Calypso Corer; Counting, dinoflagellate cysts; DEPTH, sediment/rock; Dinoflagellate cyst indeterminata; Dinoflagellate cyst per volume; Dinoflagellate cyst reworked per volume; Dinoflagellate cyst varia; Foraminifera, linings per volume; IMAGES; IMAGES I; Impagidinium aculeatum; Impagidinium pallidum; Impagidinium paradoxum; Impagidinium patulum; Impagidinium sp.; Impagidinium sphaericum; Impagidinium strialatum; International Marine Global Change Study; Islandinium minutum; Lingulodinium machaerophorum; Marge Ibérique; Marion Dufresne (1995); MD101; MD952042; MD95-2042; Multispinula quanta; Nematosphaeropsis labyrinthus; Operculodinium centrocarpum; Operculodinium israelianum; Operculodinium israelianum short; Operculodinium janduchenei; Pediastrum sp.; Pentapharsodinium dalei; Peridinoid type; Polykrikos schwarzii; Polysphaeridium zoharyi; Protoperidinium nudum; Pyxidinopsis reticulata; Selenopemphix nephroides; Spiniferites belerius; Spiniferites bentori; Spiniferites bulloideus; Spiniferites delicatus; Spiniferites elongatus; Spiniferites lazus; Spiniferites membranaceus; Spiniferites mirabilis; Spiniferites pachydermus; Spiniferites ramosus; Spiniferites sp.; Trinovantedinium capitatum; Tuberculodinium vancampoae
    Type: Dataset
    Format: text/tab-separated-values, 7695 data points
    Location Call Number Expected Availability
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  • 62
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    Physical oceanography during SONNE cruise SO119 (2000)
    PANGAEA
    In:  Supplement to: Breves, Wiebke; Reuter, Rainer (2000): Bio-optical properties of gelbstoff in the Arabian Sea at the onset of the southwest monsoon. Journal of Earth System Science, 109(4), 415-425, https://doi.org/10.1007/BF02708329
    Details
    Publication Date: 2024-06-26
    Description: As part of the German JGOFS Indian Ocean Programme, a cruise occurred in the Arabian Sea in May 1997 at the onset of the southwest monsoon. Data on gelbstoff, chlorophylla and tryptophan-like fluorescence as well as gelbstoff absorption were obtained. They indicate, that these optical parameters support the interpretation of hydrographic and biogeochemical conditions. Tryptophan-like fluorescence seems to be a useful indicator of changes in the constitution of the biomass. A comparison of gelbstoff absorption and fluorescence data from the upper 100 m reveals only a weak covariance. Special emphasis is given to the fit procedure used for retrieving the exponential slopeS of the spectral absorption coefficient.S values with a mean of 0.016 nm-1 are found in the 350 to 480 nm wavelength range. A mean slopeS set to the frequently reported value of 0.014 nm-1 in the exponential description of gelbstoff absorption might lead to a systematic over/underestimation, and thus to systematic errors, if single-wavelength absorption values are extrapolated to other spectral regions on the basis of this parameter.
    Keywords: Calculated from conductivity; Calculated from percentage saturation; Conductivity; CTD-O; CTD with attached oxygen sensor, ME Meerestechnik Elektronik, OTS 3000; Date/Time of event; DEPTH, water; Elevation of event; Event label; JGOFS; JGOFS-IN-2; Joint Global Ocean Flux Study; Latitude of event; Longitude of event; Optics CTD; Oxygen; Oxygen saturation; Pressure, water; Salinity; SO119; SO119_CTD-1-01; SO119_CTD-10-13; SO119_CTD-11-14; SO119_CTD-12-15; SO119_CTD-13-16; SO119_CTD-16-17; SO119_CTD-18-18; SO119_CTD-19-19; SO119_CTD-2-02; SO119_CTD-20-20; SO119_CTD-21-21; SO119_CTD-22-22; SO119_CTD-23-23; SO119_CTD-24-24; SO119_CTD-25-25; SO119_CTD-25-26; SO119_CTD-26-27; SO119_CTD-28-28; SO119_CTD-29-29; SO119_CTD-3-03; SO119_CTD-30-30; SO119_CTD-31-31; SO119_CTD-32-32; SO119_CTD-33-33; SO119_CTD-36-34; SO119_CTD-36-35; SO119_CTD-37-36; SO119_CTD-39-37; SO119_CTD-40-38; SO119_CTD-4-04; SO119_CTD-4-05; SO119_CTD-41-39; SO119_CTD-42-40; SO119_CTD-43-41; SO119_CTD-5-06; SO119_CTD-5-07; SO119_CTD-6-08; SO119_CTD-7-09; SO119_CTD-7-11; SO119_CTD-9-12; Sonne; Temperature, water
    Type: Dataset
    Format: text/tab-separated-values, 392255 data points
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  • 63
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    Stable carbon and oxygen isotope composition of benthic foraminifera (2000)
    PANGAEA
    In:  Supplement to: Mackensen, Andreas; Schumacher, Stefanie; Radke, Jens; Schmidt, Daniela N (2000): Microhabitat preferences and stable carbon isotopes of endobenthic foraminifera: clue to quantitative reconstruction of oceanic new production? Marine Micropaleontology, 40(3), 233-258, https://doi.org/10.1016/S0377-8398(00)00040-2
    Details
    Publication Date: 2024-06-26
    Description: Seventeen surface sediment samples from the North Atlantic Ocean off NE-Greenland between 76° and 81°N, and nine samples from the South Atlantic Ocean close to Bouvet Island between 48° and 55°S were taken with the aid of a Multiple Corer and investigated for their live (Rose Bengal stained) benthic foraminiferal content within the upper 15 cm of sediment. Preferentially endobenthic Melonis barleeanum, Melonis zaandami, and Bulimina aculeata as well as preferentially epibenthic Lobatula lobatula were counted from 1-cm-thick sediment slices each and analyzed for stable carbon and oxygen isotopic compositions of their calcareous tests. Live and dead specimens were counted and measured separately. The carbon isotopic composition of the foraminifera was compared to that of the dissolved inorganic carbon (DIC) of simultaneously sampled bottom water. During a period of one month, one station off NE-Greenland was replicately sampled once every week and samples were processed as above. Live specimens of Lobatula lobatula are confined to the uppermost two centimeters of sediment. Live specimens of Melonis spp. are found down to 8 cm within the sediment but with a distinct sub-surface maximum between 2 and 5 cm. The down-core distribution of live Bulimina aculeata shows a distinct surface maximum in the top centimeter and constant but low numbers down to 11-cm subbottom depth. The average stable carbon isotopic composition (d13C versus per mil PDB) of live Lobatula lobatula off NE-Greenland is by 0.4±0.1 per mil higher than the d13CDIC of the ambient bottom water at the time of sampling. There is evidence that this species calcify before the ice-free season, when bottom water d13CDIC is supposed to be higher. This would reconfirm the one-to-one relationship between d13C of ambient water DIC and cibicids, widely used by paleoceanographers. Live Melonis barleeanum show a negative offset from bottom water DIC of -1.7±0.6 per mil in the uppermost sediment and of -2.2±0.5 per mil in 3-4-cm subbottom depth. All d13C values of live Melonis spp. decrease within the upper four centimeters, regardless of the time of sampling and site investigated. The offset of live Bulimina aculeata from bottom water d13CDIC values of 8 stations rather constantly amounts to -0.6±0.1 per mil, no matter what subbottom depth the specimens are from. At one station however, where is strong indication of elevated organic carbon flux, the negative offset averaged over all sub-bottom depths increases to -1.5±0.2 per mil. Buliminids actively move within the sediment and by this either record an average isotope signal of the pore water or the signal of one specific calcification depth. The recorded signal, however, depends on the organic carbon flux and reflects general but site-specific pore water d13CDIC values. If compared with epibenthic d13C values from the same site, not influenced by pore water and related phytodetritus layer effects, Buliminad13C values bear some potential as a paleoproductivity proxy. Specimens of Melonis spp. seem to prefer a more static way of life and calcify at different but individually fix depths within the sediment. Although live specimens thus record a stratified pore water d13C signal, there is no means yet to correct for bioturbational and early diagenetic effects in fossil faunas.
    Keywords: ANT-IX/4; ANT-VIII/3; ARK-IX/3; Atlantic Ridge; AWI_Paleo; CTD/Rosette; CTD-RO; Indian-Antarctic Ridge; MUC; MultiCorer; Northeast Greenland; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS16; PS16/316; PS16/342; PS1771-4; PS1777-7; PS18; PS18/250; PS18/251; PS18/252; PS18/253; PS18/254; PS18/255; PS18/256; PS2092-1; PS2093-1; PS2094-1; PS2095-1; PS2096-1; PS2097-1; PS2098-1; PS2412-1; PS2412-2; PS2413-3; PS2415-2; PS2415-5; PS2419-2; PS2419-3; PS2420-2; PS2420-3; PS2422-1; PS2422-2; PS2423-1; PS2423-3; PS2424-2; PS2426-2; PS2426-4; PS2427-2; PS2427-3; PS2428-1; PS2428-2; PS2429-1; PS2429-4; PS2430-2; PS2432-2; PS2432-3; PS2433-1; PS2433-3; PS2435-1; PS2435-3; PS2437-1; PS2437-3; PS26/111; PS26/115; PS26/119; PS26/138; PS26/145; PS26/147; PS26/148; PS26/149; PS26/165; PS26/179; PS26/213; PS26/214; PS26/215; PS26/217; PS26/231; PS26/234; PS26/258; PS26 NEW
    Type: Dataset
    Format: application/zip, 4 datasets
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  • 64
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    Radionuclides of bulk and terrigenous surface sediments in the Southern Ocean (2000)
    PANGAEA
    In:  Supplement to: Walter, Hans-Jürgen; Hegner, Ernst; Diekmann, Bernhard; Kuhn, Gerhard; Rutgers van der Loeff, Michiel M (2000): Provenance and transport of terrigenous sediment in the South Atlantic Ocean and their relations to glacial and interglacial cycles: Nd and Sr isotopic evidence. Geochimica et Cosmochimica Acta, 64(22), 3813-3827, https://doi.org/10.1016/S0016-7037(00)00476-2
    Details
    Publication Date: 2024-06-26
    Description: Sr and Nd isotopic compositions of Late Quaternary surface sediment and sediment cores from the south Atlantic and southeast Pacific sectors of the Southern Ocean are used to constrain the provenance and transport mechanisms of their terrigenous component. We report isotopic and mineralogical data for core samples from three localities, the Mid-Atlantic Ridge at 41°S and the northern and southern Scotia Sea. In addition, data for surface sediment samples from the south Atlantic and southeast Pacific sectors of the Southern Ocean are presented. The variations of Sr and Nd isotopic compositions of the bulk sediment samples in all cores were correlated with the magnetic susceptibility of the sediment and with the inferred glacial-interglacial stages. The isotopic data indicate that, during glacial periods, sediment was delivered from continental crust with a shorter residence time than that supplying material during interglacial periods. At the core site near the Mid-Atlantic Ridge, Nd isotopic, combined with mineralogical evidence indicates interglacial period deposition of a relatively high amount of kaolinite and silt with low epsilon-Nd values 〈 -8. The material was probably supplied by North Atlantic Deep Water from low latitudes. For glacial periods, a high contribution of silt and clay with epsilon-Nd 〉 -4.5, probably derived from southern South America, was indicated. The glacial-interglacial shift in sources may be due to either a decreasing influence of North Atlantic Deep Water during glacial times or by a larger contribution of glaciogenic detritus from southern South America. At the core site in the northern Scotia Sea, sediment of interglacial periods is dominated by smectite with epsilon-Nd 〈 - 6 and silt with epsilon-Nd 〉 -4. We suggest that smectite was derived from the Falkland shelf and silt was derived from the Argentinian shelf. During glacial periods, the Argentinian shelf was an important source for silt and chlorite with epsilon-Nd 〉 -4. The contribution from the Falkland shelf seems to have remained similar during glacial and interglacial periods. Hydrographic transport by bottom currents and turbidites could account for the high glacial detrital flux. An evaluation of the significance of an aeolian contribution to deep sea sediment suggests that it plays only a minor role. In the southern Scotia Sea, the Antarctic Peninsula is considered an important source for young material with epsilon-Nd 〉 -4, in particular during glacial periods. During interglacial periods, sediment supply from the Antarctic Peninsula was lower than during glacial times, resulting in a relatively high contribution of old material (epsilon-Nd 〈 -8) from East Antarctica. Deep water currents and icebergs could account for the transport of the old component to the southern Scotia Sea. The accumulation rates of material from the various source regions for glacial times are in agreement with an increase in the strength of the Antarctic Circumpolar Current. The production rate and the circulation pattern of bottom water in the Weddell Sea appear to have remained similar over most of the last 150 kyr.
    Keywords: Antarctic Peninsula; ANTARTIDA8611; ANT-I/2; ANT-V/4; ANT-VI/2; ANT-X/5; ANT-XI/2; ANT-XII/4; ANT-XIV/3; AWI_MarGeoChem; AWI_Paleo; BC; Box corer; D-ORC-015; Filchner Shelf; Filchner Trough; Giant box corer; GKG; Gravity corer (Kiel type); HAND; KL; Marine Geochemistry @ AWI; MUC; MultiCorer; Nuevo Alcocero; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Piston corer (BGR type); Polarstern; PS01; PS01/177; PS10; PS10/738; PS1016-1; PS12; PS12/116; PS12/199; PS1490-2; PS1537-2; PS1563-1; PS22/817; PS22 06AQANTX_5; PS2319-1; PS2495-3; PS2515-3; PS2659-2; PS2684-1; PS2697-1; PS2716-2; PS28; PS28/293; PS28/378; PS2805-1; PS35/009; PS35/103; PS35/166; PS35/218; PS35 06AQANTXII_4; PS43; PS43/027; Puerto_Mont; Punta_Arenas; Punta Arenas, Chile; Quito; Sampling by hand; Santiago; Scotia Sea; Scotia Sea, southwest Atlantic; SL; S-Orkney; South Atlantic; Southeast Pacific; Southern Ocean; Weddell Sea
    Type: Dataset
    Format: application/zip, 2 datasets
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  • 65
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    Living benthic foraminiferal assemblages in surface samples of the Arabian Sea (2000)
    PANGAEA
    In:  Supplement to: Kurbjeweit, Frank; Schmiedl, Gerhard; Schiebel, Ralf; Hemleben, Christoph; Pfannkuche, Olaf; Wallmann, Klaus; Schäfer, Priska (2000): Distribution, biomass and diversity of benthic foraminifera in relation to sediment geochemistry in the Arabian Sea. Deep Sea Research Part II: Topical Studies in Oceanography, 47(14), 2913-2955, https://doi.org/10.1016/S0967-0645(00)00053-9
    Details
    Publication Date: 2024-06-26
    Description: The distribution, biomass, and diversity of living (Rose Bengal stained) deep-sea benthic foraminifera (〉30 µm) were investigated with multicorer samples from seven stations in the Arabian Sea during the intermonsoonal periods in March and in September/October, 1995. Water depths of the stations ranged between 1916 and 4425 m. The distribution of benthic foraminifera was compared with dissolved oxygen, % organic carbon, % calcium carbonate, ammonium, % silica, chloroplastic pigment equivalents, sand content, pore water content of the sediment, and organic carbon flux to explain the foraminiferal patterns and depositional environments. A total of six species-communities comprising 178 living species were identified by principal component analysis. The seasonal comparison shows that at the western stations foraminiferal abundance and biomass were higher during the Spring Intermonsoon than during the Fall Intermonsoon. The regional comparison indicates a distinct gradient in abundance, biomass, and diversity from west to east, and for biomass from north to south. Highest values are recorded in the western part of the Arabian Sea, where the influence of coastal and offshore upwelling are responsible for high carbon fluxes. Estimated total biomass of living benthic foraminifera integrated for the upper 5 cm of the sediment ranged between 11 mg Corg m**-2 at the southern station and 420 mg Corg m**-2 at the western station. Foraminifera in the size range from 30 to 125 ?m, the so-called microforaminifera, contributed between 20 and 65% to the abundance, but only 3% to 28% to the biomass of the fauna. Highest values were found in the central and southern Arabian Sea, indicating their importance in oligotrophic deep-sea areas. The overall abundance of benthic foraminifera is positively correlated with oxygen content and pore volume, and partly with carbon content and chloroplastic pigment equivalents of the sediment. The distributional patterns of the communities seem to be controlled by sand fraction, dissolved oxygen, calcium carbonate and organic carbon content of the sediment, but the critical variables are of different significance for each community.
    Keywords: 110, M31/3_MC376, WAST; 581, NAST; 621, WAST-T; 622, WAST; 640, CAST; 661, EAST; 666, SAST; Arabian Sea; BIGSET; Biogeochemical Fluxes of Matter and Energy in the Deep Sea; Central Arabian Sediment Trap; Eastern Arabian Sediment Trap; M31/3; M31/3_111#1,GeoB3007-3,WAST-T; M31/3_111#2,GeoB3008-5,WAST-Flank; M31/3_MC-08; M31/3_MC-11; M31/3-110.4_MC1; M33/1; M33/1_MC-03; M33/1_MC-13; M33/1_MC-15; M33/1_MC-19; M33/1_MC-25; M33/1_MC-30; Meteor (1986); MUC; MultiCorer; Northern Arabian Sediment Trap; Southern Arabian Sediment Trap; Western Arabian Sediment Trap
    Type: Dataset
    Format: application/zip, 33 datasets
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  • 66
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    Lead 210 concentrations in sediments of the Arabian Sea (2000)
    PANGAEA
    In:  Supplement to: Turnewitsch, Robert; Witte, Ursula; Graf, Gerhard (2000): Bioturbation in the abyssal Arabian Sea: influence of fauna and food supply. Deep Sea Research Part II: Topical Studies in Oceanography, 47(14), 2877-2911, https://doi.org/10.1016/S0967-0645(00)00052-7
    Details
    Publication Date: 2024-06-26
    Description: In order to evaluate bioturbation in abyssal Arabian-Sea sediments of the Indus fan profiles of 210Pb (half-life: 22.3 yr) and 234Th (half-life: 24.1 d) were measured in cores collected during September and October 1995 and April 1997, respectively. The density and composition of epibenthic megafauna and lebensspuren were determined in vertical seafloor photographs during April 1997. Mean eddy-diffusive mixing coefficients according to the distribution of excess 210Pb ( 210Pb-DB) were 0.072±0.028, 0.068±0.055, 0.373±0.119, 0.037±0.009 and 0.079±0.119 cm**2 yr**-1 in the northern, western, central, eastern and southern abyssal Arabian sea, respectively. Mean eddy-diffusive mixing coefficients according to the distribution of excess 234Th (234Th-DB) were 0.53, 1.64 and 0.47 cm**2 yr**-1 in the northern, western and central abyssal Arabian Sea, respectively. Mobile epibenthic megafauna at the western, northern, central and southern study sites were dominated by ophiuroids, holothurians, ophiuroids and natant decapods (the respective densities were 100, 82, 29 and 6 individuals 1000 m**-2). The northern study site was characterized by a high abundance of spoke traces and fecal casts. The central site showed spoke traces and many tracks. The southern site displayed the highest abundance of spoke traces, whereas at the western site hardly any lebensspuren were observed. There is evidence for at least two functional endmember communities in the Arabian Sea. In the northwestern Arabian Sea (WAST) vertical particle displacement seems to be dominated by macrofauna and primarily eddy-diffusive. In the southern Arabian Sea (SAST) non-local and 'incidental' mixing due to spoke-trace producers might become more important and superimpose reduced eddy-diffusive mixing. With respect to biological data CAST is an intermediate location. Given the biological data, average 210Pb-DB is higher and decimeter-scale variability of 210Pb-DB smaller at CAST than expected. These findings indicate that in a mixture of both endmember communities the organisms may interact in way that increases values of biodiffusivity, as reflected by 210Pb-DB, and reduces decimeter-scale 210Pb-DB heterogeneity in comparison to the simple sum of the isolated effects of the endmembers. For time scales 〈100 years there was no evidence for a relationship between food supply (POC flux) and bioturbation intensity, as reflected by 210Pb-DB and 234Th-DB. Bioturbation intensity should be controlled primarily by the composition of the benthic fauna, its specific adaptation to the environmental setting, and the abundance of each species of the benthic community. Food supply can have only an indirect influence on bioturbation intensity. In certain parts of the ocean the a priori overall positive relationship between POC flux and biodiffusivity might include restricted intervals displaying no or even negative relations.
    Keywords: 581, NAST; 605, WAST; 641, CAST; 655, EAST; 671, SAST; BIGSET; Biogeochemical Fluxes of Matter and Energy in the Deep Sea; Central Arabian Sediment Trap; Eastern Arabian Sediment Trap; M33/1; M33/1_MC-03; M33/1_MC-09; M33/1_MC-21; M33/1_MC-23; M33/1_MC-33; Meteor (1986); MUC; MultiCorer; Northern Arabian Sediment Trap; Southern Arabian Sediment Trap
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    Format: application/zip, 5 datasets
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  • 67
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    Benthic and planktonic foraminifera of sediment core GIK17957-2 (2000)
    PANGAEA
    In:  Supplement to: Jian, Zhimin; Wang, Pinxian; Chen, Min-Te; Li, Bill; Zhao, Q H; Bühring, Christian; Laj, Carlo E; Lin, Hui-Ling; Pflaumann, Uwe; Bian, Y; Wang, Rujian; Cheng, Xinrong (2000): Foraminiferal responses to major Pleistocene paleoceanographic changes in the southern South China Sea. Paleoceanography, 15(2), 229-243, https://doi.org/10.1029/1999PA000431
    Details
    Publication Date: 2024-06-26
    Description: A detailed age model for core 17957-2 of the southern South China Sea was developed based on delta18O, coarse fraction, magnetostratigraphy, and biostratigraphy for the last 1500 kyr. The delta18O record has clear ~100-kyr cycles after the Mid-Pleistocene Revolution (MPR) at the entrance of marine isotopic stage (MIS) 22. Planktonic foraminifera responded to the MPR immediately, showing the increased sea surface temperature (SST) and dissolution after the MPR. Benthic foraminifera did not respond to it until the Brunhes/Matuyama boundary. Since the MPR, the depth of thermocline gradually became shallower until MISs 6-5. This major change within MISs 6-5 was also reflected in the decreased SSTs and increased productivity and Deep Water Mass. Thus two major Pleistocene paleoceanographic changes were found: One was around the MPR; the other occurred within MISs 6-5, which speculatively might be ascribed to the reorganization of surface and deep circulation, possibly induced by tectonic forces.
    Keywords: GIK/IfG; GIK17957-2; Gravity corer (Kiel type); Institute for Geosciences, Christian Albrechts University, Kiel; MONITOR MONSUN; SL; SO95; Sonne; South China Sea
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    Format: application/zip, 3 datasets
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  • 68
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    Biogenic flux and primary production of sediment traps in the Atlantic and the Southern Ocean (2000)
    PANGAEA
    In:  Supplement to: Fischer, Gerhard; Ratmeyer, Volker; Wefer, Gerold (2000): Organic carbon fluxes in the Atlantic and the Southern Ocean: relationship to primary production compiled from satellite radiometer data. Deep Sea Research Part II: Topical Studies in Oceanography, 47(9-11), 1961-1997, https://doi.org/10.1016/S0967-0645(00)00013-8
    Details
    Publication Date: 2024-06-26
    Description: Fluxes of organic carbon normalised to a depth of 1000 m from 18 sites in the Atlantic and the Southern Ocean are presented, comprising nine biogeochemical provinces as defined by Longhurst et al. (1995. Journal of Plankton Research 17, 1245-1271). For comparison with primary production, we used a recent compilation of primary production values derived from CZCS data (Antoine et al., 1996. Global Biogeochemical Cycles 10, 57-69). In most cases, the seasonal patterns stood reasonably well in accordance with the carbon fluxes. Particularly, organic carbon flux records from two coastal sites off northwest and southwest Africa displayed a more distinct correlation to the primary production in sectors (1 x 1°) which are situated closer to the coastal environments. This was primarily caused by large upwelling filaments streaming far offshore, resulting in a cross-shelf carbon transport. With respect to primary production, organic carbon export to a water depth of 1000 m, and the fraction of primary production exported to a depth of 1000 m (export fraction=EF1000), we were able to distinguish between: (1) the coastal environments with highest values (EF1000=1.75-2.0%), (2) the eastern equatorial upwelling area with moderately high values (EF1000=0.8-1.1%), (3) and the subtropical oligotrophic gyres that yielded lowest values (EF1000=0.6%). Carbon export in the Southern Ocean was low to moderate, and the EF1000 value seems to be quite low in general. Annual organic carbon fluxes were proportional to primary production, and the export fraction EF1000 increased with primary production up to 350 gCm**-2 yr**-1. Latitudinal variations in primary production were reflected in the carbon flux pattern. A high temporal variability of primary production rates and a pronounced seasonality of carbon export were observed in the polar environments, in particular in coastal domains, although primary production (according to Antoine et al., 1996. Global Biogeochemical Cycles 10, 57-69), carbon fluxes, and the export fraction remained at low.
    Keywords: GeoB2212-8; GeoB2903-4; GeoB2908; JGOFS; Joint Global Ocean Flux Study; M29/3; M6/6; Meteor (1986); SFB261; South Atlantic in Late Quaternary: Reconstruction of Budget and Currents; Trap; TRAP; Trap, sediment; TRAPS; WA4_trap; WA6_trap; WA7_trap; WA8_trap; Western Atlantic; WR1_trap
    Type: Dataset
    Format: application/zip, 5 datasets
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  • 69
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    Sedimentological analysis of sediments from Amundsen and Bellingshausen Seas, Southern Ocean (2000)
    PANGAEA
    In:  Supplement to: Hillenbrand, Claus-Dieter (2000): Glazialmarine Sedimentationsentwicklung am westantarktischen Kontinentalrand im Amundsen- und Bellingshausenmeer - Hinweise auf Paläoumweltveränderungen während der quartären Klimazyklen (Glaciomarine sedimentation on the continental margins of the Amundsen and Bellingshausen Seas, West Antarctica - indications for paleoenvironmental changes during the Quaternary climatic cycles). Berichte zur Polarforschung = Reports on Polar Research, 346, 182 pp, https://doi.org/10.2312/BzP_0346_2000
    Details
    Publication Date: 2024-06-26
    Description: Glaciomarine deposits at the Antarctic continental margin represent an important paleoglaciological and paleoceanographical record of environmental changes in both Antarctica and the adjacent Southern Ocean. In order to reconstruct the climatic-controlled sedimentation history in the Amundsen and Bellingshausen Seas during Quaternary glacial cycles, sedimentological, geochemical and clay mineralogical investigations were carried out on 34 surface sediment samples and On 7 sediment cores. The study of the surface sediment samples allows one to decipher the recent sediment supply and transportation processes. The input of glacial debris is highest in the eastern Bellingshausen Sea because of the subpolar climatic conditions prevailing over the adjacent Antarctic Peninsula. Fine sediment pathways of transport in the Amundsen and Bellingshausen Seas were recon- structed by analysing the clay mineralogical composition of the surface sediments and connecting it with specific source rocks in the West Antarctic hinterland. Grain size data show a complex dispersal Pattern of ice-rafted debris (IRD). According to these data, redeposition by currents plays a major role near the shelf break both in marginal seas and on the continental rise in the eastern Bellingshausen Sea. ff
    Keywords: Amundsen Sea; Antarctic Peninsula; ANT-VI/2; ANT-XI/3; AWI_Paleo; Bellingshausen Sea; Gravity corer (Kiel type); Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS12; PS12/201; PS1565-2; PS2547-1; PS2547-3; PS2548-1; PS2549-1; PS2550-1; PS2551-1; PS2552-1; PS2553-3; PS29; PS29/063; PS29/064; PS29/065; PS29/066; PS29/067; PS29/068; PS29/070; SL
    Type: Dataset
    Format: application/zip, 14 datasets
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  • 70
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    Silt fraction analysis of sediment core PS1431-1 (2000)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-06-26
    Keywords: ANT-IV/3; Atka Bay; AWI_Paleo; DEPTH, sediment/rock; Grain size, SEDIGRAPH 5000; Gravity corer (Kiel type); Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS08; PS08/486; PS1431-1; Size fraction 10.309-9.618 µm, 6.6-6.7 phi; Size fraction 11.049-10.309 µm, 6.5-6.6 phi; Size fraction 11.842-11.049 µm, 6.4-6.5 phi; Size fraction 12.691-11.842 µm, 6.3-6.4 phi; Size fraction 13.602-12.691 µm, 6.2-6.3 phi; Size fraction 14.579-13.602 µm, 6.1-6.2 phi; Size fraction 15.625-14.579 µm, 6.0-6.1 phi; Size fraction 16.746-15.625 µm, 5.9-6.0 phi; Size fraction 17.948-16.746 µm, 5.8-5.9 phi; Size fraction 19.237-17.948 µm, 5.7-5.8 phi; Size fraction 2.093-1.953 µm, 8.9-9.0 phi; Size fraction 2.244-2.093 µm, 8.8-8.9 phi; Size fraction 2.405-2.244 µm, 8.7-8.8 phi; Size fraction 2.577-2.405 µm, 8.6-8.7 phi; Size fraction 2.762-2.577 µm, 8.5-8.6 phi; Size fraction 2.960-2.762 µm, 8.4-8.5 phi; Size fraction 20.617-19.237 µm, 5.6-5.7 phi; Size fraction 22.097-20.617 µm, 5.5-5.6 phi; Size fraction 23.683-22.097 µm, 5.4-5.5 phi; Size fraction 25.383-23.683 µm, 5.3-5.4 phi; Size fraction 27.205-25.383 µm, 5.2-5.3 phi; Size fraction 29.157-27.205 µm, 5.1-5.2 phi; Size fraction 3.173-2.960 µm, 8.3-8.4 phi; Size fraction 3.401-3.173 µm, 8.2-8.3 phi; Size fraction 3.645-3.401 µm, 8.1-8.2 phi; Size fraction 3.906-3.645 µm, 8.0-8.1 phi; Size fraction 31.250-29.157 µm, 5.0-5.1 phi; Size fraction 33.493-31.250 µm, 4.9-5.0 phi; Size fraction 35.897-33.493 µm, 4.8-4.9 phi; Size fraction 38.473-35.897 µm, 4.7-4.8 phi; Size fraction 4.187-3.906 µm, 7.9-8.0 phi; Size fraction 4.487-4.187 µm, 7.8-7.9 phi; Size fraction 4.809-4.487 µm, 7.7-7.8 phi; Size fraction 41.235-38.473 µm, 4.6-4.7 phi; Size fraction 44.194-41.235 µm, 4.5-4.6 phi; Size fraction 47.366-44.194 µm, 4.4-4.5 phi; Size fraction 5.154-4.809 µm, 7.6-7.7 phi; Size fraction 5.524-5.154 µm, 7.5-7.6 phi; Size fraction 5.921-5.524 µm, 7.4-7.5 phi; Size fraction 50.766-47.366 µm, 4.3-4.4 phi; Size fraction 54.409-50.766 µm, 4.2-4.3 phi; Size fraction 58.315-54.409 µm, 4.1-4.2 phi; Size fraction 6.346-5.921 µm, 7.3-7.4 phi; Size fraction 6.801-6.346 µm, 7.2-7.3 phi; Size fraction 62.500-58.315 µm, 4.0-4.1 phi; Size fraction 7.289-6.801 µm, 7.1-7.2 phi; Size fraction 7.813-7.289 µm, 7.0-7.1 phi; Size fraction 8.373-7.813 µm, 6.9-7.0 phi; Size fraction 8.974-8.373 µm, 6.8-6.9 phi; Size fraction 9.618-8.974 µm, 6.7-6.8 phi; SL
    Type: Dataset
    Format: text/tab-separated-values, 4950 data points
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  • 71
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    Silt fraction analysis of sediment core PS1379-1 (2000)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-06-26
    Keywords: ANT-IV/3; Atka Bay; AWI_Paleo; DEPTH, sediment/rock; Giant box corer; GKG; Grain size, SEDIGRAPH 5000; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS08; PS08/355; PS1379-1; Size fraction 10.309-9.618 µm, 6.6-6.7 phi; Size fraction 11.049-10.309 µm, 6.5-6.6 phi; Size fraction 11.842-11.049 µm, 6.4-6.5 phi; Size fraction 12.691-11.842 µm, 6.3-6.4 phi; Size fraction 13.602-12.691 µm, 6.2-6.3 phi; Size fraction 14.579-13.602 µm, 6.1-6.2 phi; Size fraction 15.625-14.579 µm, 6.0-6.1 phi; Size fraction 16.746-15.625 µm, 5.9-6.0 phi; Size fraction 17.948-16.746 µm, 5.8-5.9 phi; Size fraction 19.237-17.948 µm, 5.7-5.8 phi; Size fraction 2.093-1.953 µm, 8.9-9.0 phi; Size fraction 2.244-2.093 µm, 8.8-8.9 phi; Size fraction 2.405-2.244 µm, 8.7-8.8 phi; Size fraction 2.577-2.405 µm, 8.6-8.7 phi; Size fraction 2.762-2.577 µm, 8.5-8.6 phi; Size fraction 2.960-2.762 µm, 8.4-8.5 phi; Size fraction 20.617-19.237 µm, 5.6-5.7 phi; Size fraction 22.097-20.617 µm, 5.5-5.6 phi; Size fraction 23.683-22.097 µm, 5.4-5.5 phi; Size fraction 25.383-23.683 µm, 5.3-5.4 phi; Size fraction 27.205-25.383 µm, 5.2-5.3 phi; Size fraction 29.157-27.205 µm, 5.1-5.2 phi; Size fraction 3.173-2.960 µm, 8.3-8.4 phi; Size fraction 3.401-3.173 µm, 8.2-8.3 phi; Size fraction 3.645-3.401 µm, 8.1-8.2 phi; Size fraction 3.906-3.645 µm, 8.0-8.1 phi; Size fraction 31.250-29.157 µm, 5.0-5.1 phi; Size fraction 33.493-31.250 µm, 4.9-5.0 phi; Size fraction 35.897-33.493 µm, 4.8-4.9 phi; Size fraction 38.473-35.897 µm, 4.7-4.8 phi; Size fraction 4.187-3.906 µm, 7.9-8.0 phi; Size fraction 4.487-4.187 µm, 7.8-7.9 phi; Size fraction 4.809-4.487 µm, 7.7-7.8 phi; Size fraction 41.235-38.473 µm, 4.6-4.7 phi; Size fraction 44.194-41.235 µm, 4.5-4.6 phi; Size fraction 47.366-44.194 µm, 4.4-4.5 phi; Size fraction 5.154-4.809 µm, 7.6-7.7 phi; Size fraction 5.524-5.154 µm, 7.5-7.6 phi; Size fraction 5.921-5.524 µm, 7.4-7.5 phi; Size fraction 50.766-47.366 µm, 4.3-4.4 phi; Size fraction 54.409-50.766 µm, 4.2-4.3 phi; Size fraction 58.315-54.409 µm, 4.1-4.2 phi; Size fraction 6.346-5.921 µm, 7.3-7.4 phi; Size fraction 6.801-6.346 µm, 7.2-7.3 phi; Size fraction 62.500-58.315 µm, 4.0-4.1 phi; Size fraction 7.289-6.801 µm, 7.1-7.2 phi; Size fraction 7.813-7.289 µm, 7.0-7.1 phi; Size fraction 8.373-7.813 µm, 6.9-7.0 phi; Size fraction 8.974-8.373 µm, 6.8-6.9 phi; Size fraction 9.618-8.974 µm, 6.7-6.8 phi
    Type: Dataset
    Format: text/tab-separated-values, 400 data points
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  • 72
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    Silt fraction analysis of sediment core PS1381-3 (2000)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-06-26
    Keywords: ANT-IV/3; Atka Bay; AWI_Paleo; DEPTH, sediment/rock; Grain size, SEDIGRAPH 5000; Gravity corer (Kiel type); Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS08; PS08/357; PS1381-3; Size fraction 10.309-9.618 µm, 6.6-6.7 phi; Size fraction 11.049-10.309 µm, 6.5-6.6 phi; Size fraction 11.842-11.049 µm, 6.4-6.5 phi; Size fraction 12.691-11.842 µm, 6.3-6.4 phi; Size fraction 13.602-12.691 µm, 6.2-6.3 phi; Size fraction 14.579-13.602 µm, 6.1-6.2 phi; Size fraction 15.625-14.579 µm, 6.0-6.1 phi; Size fraction 16.746-15.625 µm, 5.9-6.0 phi; Size fraction 17.948-16.746 µm, 5.8-5.9 phi; Size fraction 19.237-17.948 µm, 5.7-5.8 phi; Size fraction 2.093-1.953 µm, 8.9-9.0 phi; Size fraction 2.244-2.093 µm, 8.8-8.9 phi; Size fraction 2.405-2.244 µm, 8.7-8.8 phi; Size fraction 2.577-2.405 µm, 8.6-8.7 phi; Size fraction 2.762-2.577 µm, 8.5-8.6 phi; Size fraction 2.960-2.762 µm, 8.4-8.5 phi; Size fraction 20.617-19.237 µm, 5.6-5.7 phi; Size fraction 22.097-20.617 µm, 5.5-5.6 phi; Size fraction 23.683-22.097 µm, 5.4-5.5 phi; Size fraction 25.383-23.683 µm, 5.3-5.4 phi; Size fraction 27.205-25.383 µm, 5.2-5.3 phi; Size fraction 29.157-27.205 µm, 5.1-5.2 phi; Size fraction 3.173-2.960 µm, 8.3-8.4 phi; Size fraction 3.401-3.173 µm, 8.2-8.3 phi; Size fraction 3.645-3.401 µm, 8.1-8.2 phi; Size fraction 3.906-3.645 µm, 8.0-8.1 phi; Size fraction 31.250-29.157 µm, 5.0-5.1 phi; Size fraction 33.493-31.250 µm, 4.9-5.0 phi; Size fraction 35.897-33.493 µm, 4.8-4.9 phi; Size fraction 38.473-35.897 µm, 4.7-4.8 phi; Size fraction 4.187-3.906 µm, 7.9-8.0 phi; Size fraction 4.487-4.187 µm, 7.8-7.9 phi; Size fraction 4.809-4.487 µm, 7.7-7.8 phi; Size fraction 41.235-38.473 µm, 4.6-4.7 phi; Size fraction 44.194-41.235 µm, 4.5-4.6 phi; Size fraction 47.366-44.194 µm, 4.4-4.5 phi; Size fraction 5.154-4.809 µm, 7.6-7.7 phi; Size fraction 5.524-5.154 µm, 7.5-7.6 phi; Size fraction 5.921-5.524 µm, 7.4-7.5 phi; Size fraction 50.766-47.366 µm, 4.3-4.4 phi; Size fraction 54.409-50.766 µm, 4.2-4.3 phi; Size fraction 58.315-54.409 µm, 4.1-4.2 phi; Size fraction 6.346-5.921 µm, 7.3-7.4 phi; Size fraction 6.801-6.346 µm, 7.2-7.3 phi; Size fraction 62.500-58.315 µm, 4.0-4.1 phi; Size fraction 7.289-6.801 µm, 7.1-7.2 phi; Size fraction 7.813-7.289 µm, 7.0-7.1 phi; Size fraction 8.373-7.813 µm, 6.9-7.0 phi; Size fraction 8.974-8.373 µm, 6.8-6.9 phi; Size fraction 9.618-8.974 µm, 6.7-6.8 phi; SL
    Type: Dataset
    Format: text/tab-separated-values, 5000 data points
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  • 73
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    (Appendix B Table 2) Abundance of organic-walled dinoflagellate cysts of sediment core GeoB2204-2 (2000)
    PANGAEA
    In:  Supplement to: Höll, Christine; Zonneveld, Karin A F; Willems, Helmut (2000): Organic-walled dinoflagellate cyst assemblages in the tropical Atlantic Ocean and oceanographical changes over the last 140 ka. Palaeogeography, Palaeoclimatology, Palaeoecology, 160(1-2), 69-90, https://doi.org/10.1016/S0031-0182(00)00047-X
    Details
    Publication Date: 2024-06-26
    Description: A palaeoceanographic reconstruction of the Late Quaternary tropical Atlantic Ocean has been made on the basis of dinoflagellate cyst associations of two sediment cores: the first core was recovered from below the highly productive waters of the equatorial divergence and the second from the oligotrophic western tropical Atlantic Ocean. Palaeoenvironmental indicators for productivity, sea surface temperature (SST) and salinity (SSS) based on selected organic-walled dinoflagellate cyst species have been established. On the basis of these palaeoenvironmental indicators, a strengthened intensity of the equatorial divergence in the eastern region during glacials and cold periods of interglacials has been reconstructed. The highest SST probably occurred around substage 5.5 and might refer to weakest upwelling intensity. In comparison, SST and SSS appear to have been generally higher in the western tropical Atlantic Ocean, with probably enhanced values during glacial intervals. Pronounced differences in accumulation rates and relative abundances of cysts formed by congruentidiacean dinoflagellates and relative abundances of oligotrophic cyst species between the eastern and the western region can be related to differences in palaeoproductivity, suggesting much higher values in the eastern area. The coherence between variation in frequency of the indicators for productivity and the boreal summer insolation and monsoon intensity in the eastern tropical Atlantic Ocean suggests an oceanographic reflection of regional intertropical, rather than boreal, dynamics.
    Keywords: Bitectatodinium tepikiense; Brazil Basin; Brigantedinium; Counting, palynology; Dalella chathamensis; DEPTH, sediment/rock; Dinoflagellate cyst indeterminata; Dinoflagellate cyst reworked; GeoB2204-2; Gravity corer (Kiel type); Impagidinium aculeatum; Impagidinium paradoxum; Impagidinium patulum; Impagidinium plicatum; Impagidinium sp.; Impagidinium sphaericum; Impagidinium strialatum; Impagidinium velorum; Lingulodinium machaerophorum; M23/3; Meteor (1986); Nematosphaeropsis labyrinthus; Operculodinium israelianum; Operculodinium janduchenei; Pentapharsodinium dalei; Polyspaeridium zoharyi; Protoceratium reticulatum long; Pyxidinopsis reticulata; Sample mass; Sample volume; see reference(s); SFB261; SL; Slide volume; South Atlantic in Late Quaternary: Reconstruction of Budget and Currents; Spiniferites; Spiniferites bentori; Spiniferites delicatus; Spiniferites hyperacanthus; Spiniferites membranaceus; Spiniferites mirabilis; Spiniferites pachydermus; Spiniferites ramosus; Tectatodinium pellitum; Trinovantedinium capitatum; Tuberculodinium vancampoae
    Type: Dataset
    Format: text/tab-separated-values, 1225 data points
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  • 74
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    Dinoflagellates of multicorer surface sediments (2000)
    PANGAEA
    In:  Supplement to: Vink, Annemiek; Zonneveld, Karin A F; Willems, Helmut (2000): Distribution of calcareous dinoflagellate cysts in surface sediments of the western Equatorial Atlantic Ocean, and their potential use in palaeoceanography. Marine Micropaleontology, 38(2), 149-180, https://doi.org/10.1016/S0377-8398(99)00038-9
    Details
    Publication Date: 2024-06-26
    Description: Only very few studies focus on recent calcareous dinoflagellate cyst diversity, geographic distribution and ecology, so that information on the distribution patterns and environmental affinities of individual cyst species is extremely limited. This information is, however, essential if we want to use calcareous dinoflagellate cysts for palaeoenvironmental reconstruction. Surface sediment samples from the generally oligotrophic western equatorial Atlantic Ocean, offshore northeast Brazil, were therefore quantitatively analysed for their calcareous dinoflagellate cyst content, including the calcareous vegetative coccoid Thoracosphaera heimii. Seven calcareous dinoflagellate cyst species/morphotypes and T. heimii were encountered in high concentrations throughout the area. Substantial differences in the distribution patterns were observed. The highest concentrations of cysts are found in sediments of the more oligotrophic, oceanic regions, beyond the influence of Amazon River discharge waters. Dinoflagellates producing calcareous cysts thus appear to be capable of surviving low nutrient concentrations and produce large numbers of cysts in relatively stable and predictable environments affected by minimal seasonality. To test for the environmental affinities of individual species, distribution patterns in surface sediments were compared with temperature, salinity, density and stratification gradients within the upper water column (0-100 m) over different times of the year, using principal components analysis and redundancy analysis. T. heimii and four of the seven encountered cyst species (Sphaerodinella? albatrosiana, two morphotypes of Sphaerodinella? tuberosa and Scrippsiella regalis) relate to these parameters significantly and the variations in the cyst associations appear to be associated with the different surface water currents characterising the area. The results imply that calcareous dinoflagellate cyst distributions can potentially be used to distinguish between different open oceanic environments and they could, therefore, be useful in tracing water mass movements throughout the late Quaternary.
    Keywords: Amazon Fan; Amazon Shelf/Fan; Atlantic Caribbean Margin; Brazil Basin; Calciodinellum albatrosianum; Calciodinellum levantinum; Ceara Rise; Counting, dinoflagellate cysts; DEPTH, sediment/rock; Dinoflagellate cyst indeterminata; Elevation of event; Equatorial Atlantic; Event label; GeoB3906-9; GeoB3908-11; GeoB3909-1; GeoB3910-3; GeoB3911-1; GeoB3914-3; GeoB3916-1; GeoB3918-1; GeoB3925-2; GeoB3935-1; GeoB3938-2; GeoB3939-1; GeoB4304-1; GeoB4306-1; GeoB4307-1; GeoB4308-2; GeoB4311-1; GeoB4315-1; GeoB4319-11; GeoB4401-3; GeoB4402-3; GeoB4403-2; GeoB4404-2; GeoB4407-2; GeoB4408-3; GeoB4410-3; GeoB4412-3; GeoB4413-1; GeoB4414-2; GeoB4415-2; GeoB4417-5; GeoB4418-2; GeoB4419-5; GeoB4420-3; GeoB4421-2; GeoB4422-1; GeoB4424-2; Giant box corer; GKG; Gravity corer (Kiel type); Guayana continental slope; Latitude of event; Leonella granifera; Longitude of event; M34/4; M38/1; M38/2; Meteor (1986); Midatlantic Ridge; Mid Atlantic Ridge; MUC; MultiCorer; Northeast Brasilian Margin; Northern Brasil Basin; Pernambugia tuberosa; Rhabdothorax spp.; Sample mass; Sample volume; Scrippsiella regalis; see reference(s); SFB261; SL; Slide volume; South Atlantic in Late Quaternary: Reconstruction of Budget and Currents; Thoracosphaera heimii
    Type: Dataset
    Format: text/tab-separated-values, 888 data points
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  • 75
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    Abundance of nanoplankton in sediment core GeoB1028-5 (2000)
    PANGAEA
    Details
    Publication Date: 2024-06-26
    Keywords: Acanthoica quattrospina; Alisphaera spatula; Anoplosolenia brasiliensis; Braarudosphaera bigelowii; Calcidiscus leptoporus; Coccoliths indeterminata per unit sediment mass; Coccolithus pelagicus; Coronosphaera sp.; DEPTH, sediment/rock; Florisphaera profunda; GeoB; GeoB1028-5; Geosciences, University of Bremen; Gravity corer (Kiel type); Helicosphaera carteri; Helicosphaera hyalina; Helicosphaera wallichii; M6/6; Meteor (1986); Oolithotus fragilis; Pontosphaera discopora; Pontosphaera japonica; Rhabdosphaera clavigera; Rhabdosphaera stylifera; Scanning electron microscope (SEM); Scapholithus fossilis; SL; Syracosphaera lamina; Syracosphaera nodosa; Syracosphaera orbiculus; Syracosphaera pulchra; Syracosphaera sp.; Umbellosphaera irregularis; Umbellosphaera tenuis; Umbilicosphaera calvata; Umbilicosphaera hulburtiana; Umbilicosphaera sibogae; Umbilicosphaera sp.; Walvis Ridge, Southeast Atlantic Ocean
    Type: Dataset
    Format: text/tab-separated-values, 2059 data points
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  • 76
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    Mean daily flux data calculated from various sediment traps in the equatorial Atlantic (2000)
    PANGAEA
    Details
    Publication Date: 2024-06-26
    Keywords: Calculated; CB1_trap; CV1-2_trap; DATE/TIME; Date/time end; DEPTH, water; Diatom valves, flux; Diatom valves, flux, standard deviation; Duration, number of days; EA1_trap; EA2_trap; EA3_trap; EA4_trap; EA5_trap; Event label; Guinea Basin; Latitude of event; Lithogenic, flux; Lithogenic, flux, standard deviation; Longitude of event; M16/1; M22/1; M23/3; M29/3; M6/6; Meteor (1986); Northern Guinea Basin; Phytolith bodies, flux; Phytolith bodies, flux, standard deviation; Romero2002/1; SFB261; South Atlantic in Late Quaternary: Reconstruction of Budget and Currents; Southwest Guinea Basin; Trap; TRAP; WA3_trap; WA7_trap
    Type: Dataset
    Format: text/tab-separated-values, 72 data points
    Location Call Number Expected Availability
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  • 77
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    Susceptibility raw data of sediment core PS2676-4 (2000)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-06-26
    Keywords: ANT-XII/4; AWI_Paleo; DEPTH, sediment/rock; KL; Magnetic susceptibility, volume; Multi-Sensor Core Logger 14, MS2C coil sensor; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Piston corer (BGR type); Polarstern; PS2676-4; PS35/056; PS35 06AQANTXII_4; Southeast Pacific; Susceptibility; Susceptibility unit, AWI, 140 mm [cor. factor 14.584]
    Type: Dataset
    Format: text/tab-separated-values, 3614 data points
    Location Call Number Expected Availability
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  • 78
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    Susceptibility of sediment core PS2674-1 (2000)
    PANGAEA
    Details
    Publication Date: 2024-06-26
    Keywords: ANT-XII/4; AWI_Paleo; DEPTH, sediment/rock; Gravity corer (Kiel type); Magnetic susceptibility, volume; Multi-Sensor Core Logger, MS2C, 140 mm; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS2674-1; PS35/054; PS35 06AQANTXII_4; SL; Southeast Pacific; Susceptibility; Susceptibility unit, AWI, 140 mm [cor. factor 6.391]
    Type: Dataset
    Format: text/tab-separated-values, 2258 data points
    Location Call Number Expected Availability
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  • 79
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    Physical propertis of sediment core PS2495-3 (2000)
    PANGAEA
    Details
    Publication Date: 2024-06-26
    Keywords: ANT-XI/2; AWI_Paleo; Calculated; Density; Density, dry bulk; Density, grain; Density, wet bulk; DEPTH, sediment/rock; Gravity corer (Kiel type); Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; Porosity; PS2495-3; PS28; PS28/293; Pycnometer (Micromeritics); SL; South Atlantic; Water content, wet mass
    Type: Dataset
    Format: text/tab-separated-values, 546 data points
    Location Call Number Expected Availability
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  • 80
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    Susceptibility raw data of sediment core PS2495-3 (2000)
    PANGAEA
    Details
    Publication Date: 2024-06-26
    Keywords: ANT-XI/2; AWI_Paleo; DEPTH, sediment/rock; Gravity corer (Kiel type); Magnetic susceptibility, volume; Multi-Sensor Core Logger, MSF-point sensor; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS2495-3; PS28; PS28/293; SL; South Atlantic; Susceptibility; Susceptibility unit, AWI, 140 mm [cor. factor 6.391]
    Type: Dataset
    Format: text/tab-separated-values, 2696 data points
    Location Call Number Expected Availability
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  • 81
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    Silt fraction analysis of sediment core PS1369-2 (2000)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-06-26
    Keywords: ANT-IV/3; AWI_Paleo; Camp Norway; DEPTH, sediment/rock; Grain size, SEDIGRAPH 5000; Gravity corer (Kiel type); Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS08; PS08/336; PS1369-2; Size fraction 10.309-9.618 µm, 6.6-6.7 phi; Size fraction 11.049-10.309 µm, 6.5-6.6 phi; Size fraction 11.842-11.049 µm, 6.4-6.5 phi; Size fraction 12.691-11.842 µm, 6.3-6.4 phi; Size fraction 13.602-12.691 µm, 6.2-6.3 phi; Size fraction 14.579-13.602 µm, 6.1-6.2 phi; Size fraction 15.625-14.579 µm, 6.0-6.1 phi; Size fraction 16.746-15.625 µm, 5.9-6.0 phi; Size fraction 17.948-16.746 µm, 5.8-5.9 phi; Size fraction 19.237-17.948 µm, 5.7-5.8 phi; Size fraction 2.093-1.953 µm, 8.9-9.0 phi; Size fraction 2.244-2.093 µm, 8.8-8.9 phi; Size fraction 2.405-2.244 µm, 8.7-8.8 phi; Size fraction 2.577-2.405 µm, 8.6-8.7 phi; Size fraction 2.762-2.577 µm, 8.5-8.6 phi; Size fraction 2.960-2.762 µm, 8.4-8.5 phi; Size fraction 20.617-19.237 µm, 5.6-5.7 phi; Size fraction 22.097-20.617 µm, 5.5-5.6 phi; Size fraction 23.683-22.097 µm, 5.4-5.5 phi; Size fraction 25.383-23.683 µm, 5.3-5.4 phi; Size fraction 27.205-25.383 µm, 5.2-5.3 phi; Size fraction 29.157-27.205 µm, 5.1-5.2 phi; Size fraction 3.173-2.960 µm, 8.3-8.4 phi; Size fraction 3.401-3.173 µm, 8.2-8.3 phi; Size fraction 3.645-3.401 µm, 8.1-8.2 phi; Size fraction 3.906-3.645 µm, 8.0-8.1 phi; Size fraction 31.250-29.157 µm, 5.0-5.1 phi; Size fraction 33.493-31.250 µm, 4.9-5.0 phi; Size fraction 35.897-33.493 µm, 4.8-4.9 phi; Size fraction 38.473-35.897 µm, 4.7-4.8 phi; Size fraction 4.187-3.906 µm, 7.9-8.0 phi; Size fraction 4.487-4.187 µm, 7.8-7.9 phi; Size fraction 4.809-4.487 µm, 7.7-7.8 phi; Size fraction 41.235-38.473 µm, 4.6-4.7 phi; Size fraction 44.194-41.235 µm, 4.5-4.6 phi; Size fraction 47.366-44.194 µm, 4.4-4.5 phi; Size fraction 5.154-4.809 µm, 7.6-7.7 phi; Size fraction 5.524-5.154 µm, 7.5-7.6 phi; Size fraction 5.921-5.524 µm, 7.4-7.5 phi; Size fraction 50.766-47.366 µm, 4.3-4.4 phi; Size fraction 54.409-50.766 µm, 4.2-4.3 phi; Size fraction 58.315-54.409 µm, 4.1-4.2 phi; Size fraction 6.346-5.921 µm, 7.3-7.4 phi; Size fraction 6.801-6.346 µm, 7.2-7.3 phi; Size fraction 62.500-58.315 µm, 4.0-4.1 phi; Size fraction 7.289-6.801 µm, 7.1-7.2 phi; Size fraction 7.813-7.289 µm, 7.0-7.1 phi; Size fraction 8.373-7.813 µm, 6.9-7.0 phi; Size fraction 8.974-8.373 µm, 6.8-6.9 phi; Size fraction 9.618-8.974 µm, 6.7-6.8 phi; SL
    Type: Dataset
    Format: text/tab-separated-values, 2000 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 82
    facet.materialart.
    Unknown
    Silt fraction analysis of sediment core PS1371-1 (2000)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-06-26
    Keywords: ANT-IV/3; AWI_Paleo; DEPTH, sediment/rock; Giant box corer; GKG; Grain size, SEDIGRAPH 5000; Lyddan Island; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS08; PS08/340; PS1371-1; Size fraction 10.309-9.618 µm, 6.6-6.7 phi; Size fraction 11.049-10.309 µm, 6.5-6.6 phi; Size fraction 11.842-11.049 µm, 6.4-6.5 phi; Size fraction 12.691-11.842 µm, 6.3-6.4 phi; Size fraction 13.602-12.691 µm, 6.2-6.3 phi; Size fraction 14.579-13.602 µm, 6.1-6.2 phi; Size fraction 15.625-14.579 µm, 6.0-6.1 phi; Size fraction 16.746-15.625 µm, 5.9-6.0 phi; Size fraction 17.948-16.746 µm, 5.8-5.9 phi; Size fraction 19.237-17.948 µm, 5.7-5.8 phi; Size fraction 2.093-1.953 µm, 8.9-9.0 phi; Size fraction 2.244-2.093 µm, 8.8-8.9 phi; Size fraction 2.405-2.244 µm, 8.7-8.8 phi; Size fraction 2.577-2.405 µm, 8.6-8.7 phi; Size fraction 2.762-2.577 µm, 8.5-8.6 phi; Size fraction 2.960-2.762 µm, 8.4-8.5 phi; Size fraction 20.617-19.237 µm, 5.6-5.7 phi; Size fraction 22.097-20.617 µm, 5.5-5.6 phi; Size fraction 23.683-22.097 µm, 5.4-5.5 phi; Size fraction 25.383-23.683 µm, 5.3-5.4 phi; Size fraction 27.205-25.383 µm, 5.2-5.3 phi; Size fraction 29.157-27.205 µm, 5.1-5.2 phi; Size fraction 3.173-2.960 µm, 8.3-8.4 phi; Size fraction 3.401-3.173 µm, 8.2-8.3 phi; Size fraction 3.645-3.401 µm, 8.1-8.2 phi; Size fraction 3.906-3.645 µm, 8.0-8.1 phi; Size fraction 31.250-29.157 µm, 5.0-5.1 phi; Size fraction 33.493-31.250 µm, 4.9-5.0 phi; Size fraction 35.897-33.493 µm, 4.8-4.9 phi; Size fraction 38.473-35.897 µm, 4.7-4.8 phi; Size fraction 4.187-3.906 µm, 7.9-8.0 phi; Size fraction 4.487-4.187 µm, 7.8-7.9 phi; Size fraction 4.809-4.487 µm, 7.7-7.8 phi; Size fraction 41.235-38.473 µm, 4.6-4.7 phi; Size fraction 44.194-41.235 µm, 4.5-4.6 phi; Size fraction 47.366-44.194 µm, 4.4-4.5 phi; Size fraction 5.154-4.809 µm, 7.6-7.7 phi; Size fraction 5.524-5.154 µm, 7.5-7.6 phi; Size fraction 5.921-5.524 µm, 7.4-7.5 phi; Size fraction 50.766-47.366 µm, 4.3-4.4 phi; Size fraction 54.409-50.766 µm, 4.2-4.3 phi; Size fraction 58.315-54.409 µm, 4.1-4.2 phi; Size fraction 6.346-5.921 µm, 7.3-7.4 phi; Size fraction 6.801-6.346 µm, 7.2-7.3 phi; Size fraction 62.500-58.315 µm, 4.0-4.1 phi; Size fraction 7.289-6.801 µm, 7.1-7.2 phi; Size fraction 7.813-7.289 µm, 7.0-7.1 phi; Size fraction 8.373-7.813 µm, 6.9-7.0 phi; Size fraction 8.974-8.373 µm, 6.8-6.9 phi; Size fraction 9.618-8.974 µm, 6.7-6.8 phi
    Type: Dataset
    Format: text/tab-separated-values, 450 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 83
    facet.materialart.
    Unknown
    Silt fraction analysis of sediment core PS1373-2 (2000)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-06-26
    Keywords: ANT-IV/3; AWI_Paleo; Camp Norway; DEPTH, sediment/rock; Giant box corer; GKG; Grain size, SEDIGRAPH 5000; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS08; PS08/345; PS1373-2; Size fraction 10.309-9.618 µm, 6.6-6.7 phi; Size fraction 11.049-10.309 µm, 6.5-6.6 phi; Size fraction 11.842-11.049 µm, 6.4-6.5 phi; Size fraction 12.691-11.842 µm, 6.3-6.4 phi; Size fraction 13.602-12.691 µm, 6.2-6.3 phi; Size fraction 14.579-13.602 µm, 6.1-6.2 phi; Size fraction 15.625-14.579 µm, 6.0-6.1 phi; Size fraction 16.746-15.625 µm, 5.9-6.0 phi; Size fraction 17.948-16.746 µm, 5.8-5.9 phi; Size fraction 19.237-17.948 µm, 5.7-5.8 phi; Size fraction 2.093-1.953 µm, 8.9-9.0 phi; Size fraction 2.244-2.093 µm, 8.8-8.9 phi; Size fraction 2.405-2.244 µm, 8.7-8.8 phi; Size fraction 2.577-2.405 µm, 8.6-8.7 phi; Size fraction 2.762-2.577 µm, 8.5-8.6 phi; Size fraction 2.960-2.762 µm, 8.4-8.5 phi; Size fraction 20.617-19.237 µm, 5.6-5.7 phi; Size fraction 22.097-20.617 µm, 5.5-5.6 phi; Size fraction 23.683-22.097 µm, 5.4-5.5 phi; Size fraction 25.383-23.683 µm, 5.3-5.4 phi; Size fraction 27.205-25.383 µm, 5.2-5.3 phi; Size fraction 29.157-27.205 µm, 5.1-5.2 phi; Size fraction 3.173-2.960 µm, 8.3-8.4 phi; Size fraction 3.401-3.173 µm, 8.2-8.3 phi; Size fraction 3.645-3.401 µm, 8.1-8.2 phi; Size fraction 3.906-3.645 µm, 8.0-8.1 phi; Size fraction 31.250-29.157 µm, 5.0-5.1 phi; Size fraction 33.493-31.250 µm, 4.9-5.0 phi; Size fraction 35.897-33.493 µm, 4.8-4.9 phi; Size fraction 38.473-35.897 µm, 4.7-4.8 phi; Size fraction 4.187-3.906 µm, 7.9-8.0 phi; Size fraction 4.487-4.187 µm, 7.8-7.9 phi; Size fraction 4.809-4.487 µm, 7.7-7.8 phi; Size fraction 41.235-38.473 µm, 4.6-4.7 phi; Size fraction 44.194-41.235 µm, 4.5-4.6 phi; Size fraction 47.366-44.194 µm, 4.4-4.5 phi; Size fraction 5.154-4.809 µm, 7.6-7.7 phi; Size fraction 5.524-5.154 µm, 7.5-7.6 phi; Size fraction 5.921-5.524 µm, 7.4-7.5 phi; Size fraction 50.766-47.366 µm, 4.3-4.4 phi; Size fraction 54.409-50.766 µm, 4.2-4.3 phi; Size fraction 58.315-54.409 µm, 4.1-4.2 phi; Size fraction 6.346-5.921 µm, 7.3-7.4 phi; Size fraction 6.801-6.346 µm, 7.2-7.3 phi; Size fraction 62.500-58.315 µm, 4.0-4.1 phi; Size fraction 7.289-6.801 µm, 7.1-7.2 phi; Size fraction 7.813-7.289 µm, 7.0-7.1 phi; Size fraction 8.373-7.813 µm, 6.9-7.0 phi; Size fraction 8.974-8.373 µm, 6.8-6.9 phi; Size fraction 9.618-8.974 µm, 6.7-6.8 phi
    Type: Dataset
    Format: text/tab-separated-values, 250 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 84
    facet.materialart.
    Unknown
    Silt fraction analysis of sediment core PS1374-2 (2000)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-06-26
    Keywords: ANT-IV/3; AWI_Paleo; Camp Norway; DEPTH, sediment/rock; Giant box corer; GKG; Grain size, SEDIGRAPH 5000; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS08; PS08/346; PS1374-2; Size fraction 10.309-9.618 µm, 6.6-6.7 phi; Size fraction 11.049-10.309 µm, 6.5-6.6 phi; Size fraction 11.842-11.049 µm, 6.4-6.5 phi; Size fraction 12.691-11.842 µm, 6.3-6.4 phi; Size fraction 13.602-12.691 µm, 6.2-6.3 phi; Size fraction 14.579-13.602 µm, 6.1-6.2 phi; Size fraction 15.625-14.579 µm, 6.0-6.1 phi; Size fraction 16.746-15.625 µm, 5.9-6.0 phi; Size fraction 17.948-16.746 µm, 5.8-5.9 phi; Size fraction 19.237-17.948 µm, 5.7-5.8 phi; Size fraction 2.093-1.953 µm, 8.9-9.0 phi; Size fraction 2.244-2.093 µm, 8.8-8.9 phi; Size fraction 2.405-2.244 µm, 8.7-8.8 phi; Size fraction 2.577-2.405 µm, 8.6-8.7 phi; Size fraction 2.762-2.577 µm, 8.5-8.6 phi; Size fraction 2.960-2.762 µm, 8.4-8.5 phi; Size fraction 20.617-19.237 µm, 5.6-5.7 phi; Size fraction 22.097-20.617 µm, 5.5-5.6 phi; Size fraction 23.683-22.097 µm, 5.4-5.5 phi; Size fraction 25.383-23.683 µm, 5.3-5.4 phi; Size fraction 27.205-25.383 µm, 5.2-5.3 phi; Size fraction 29.157-27.205 µm, 5.1-5.2 phi; Size fraction 3.173-2.960 µm, 8.3-8.4 phi; Size fraction 3.401-3.173 µm, 8.2-8.3 phi; Size fraction 3.645-3.401 µm, 8.1-8.2 phi; Size fraction 3.906-3.645 µm, 8.0-8.1 phi; Size fraction 31.250-29.157 µm, 5.0-5.1 phi; Size fraction 33.493-31.250 µm, 4.9-5.0 phi; Size fraction 35.897-33.493 µm, 4.8-4.9 phi; Size fraction 38.473-35.897 µm, 4.7-4.8 phi; Size fraction 4.187-3.906 µm, 7.9-8.0 phi; Size fraction 4.487-4.187 µm, 7.8-7.9 phi; Size fraction 4.809-4.487 µm, 7.7-7.8 phi; Size fraction 41.235-38.473 µm, 4.6-4.7 phi; Size fraction 44.194-41.235 µm, 4.5-4.6 phi; Size fraction 47.366-44.194 µm, 4.4-4.5 phi; Size fraction 5.154-4.809 µm, 7.6-7.7 phi; Size fraction 5.524-5.154 µm, 7.5-7.6 phi; Size fraction 5.921-5.524 µm, 7.4-7.5 phi; Size fraction 50.766-47.366 µm, 4.3-4.4 phi; Size fraction 54.409-50.766 µm, 4.2-4.3 phi; Size fraction 58.315-54.409 µm, 4.1-4.2 phi; Size fraction 6.346-5.921 µm, 7.3-7.4 phi; Size fraction 6.801-6.346 µm, 7.2-7.3 phi; Size fraction 62.500-58.315 µm, 4.0-4.1 phi; Size fraction 7.289-6.801 µm, 7.1-7.2 phi; Size fraction 7.813-7.289 µm, 7.0-7.1 phi; Size fraction 8.373-7.813 µm, 6.9-7.0 phi; Size fraction 8.974-8.373 µm, 6.8-6.9 phi; Size fraction 9.618-8.974 µm, 6.7-6.8 phi
    Type: Dataset
    Format: text/tab-separated-values, 350 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 85
    facet.materialart.
    Unknown
    Silt fraction analysis of sediment core PS1375-2 (2000)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-06-26
    Keywords: ANT-IV/3; AWI_Paleo; Camp Norway; DEPTH, sediment/rock; Giant box corer; GKG; Grain size, SEDIGRAPH 5000; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS08; PS08/347; PS1375-2; Size fraction 10.309-9.618 µm, 6.6-6.7 phi; Size fraction 11.049-10.309 µm, 6.5-6.6 phi; Size fraction 11.842-11.049 µm, 6.4-6.5 phi; Size fraction 12.691-11.842 µm, 6.3-6.4 phi; Size fraction 13.602-12.691 µm, 6.2-6.3 phi; Size fraction 14.579-13.602 µm, 6.1-6.2 phi; Size fraction 15.625-14.579 µm, 6.0-6.1 phi; Size fraction 16.746-15.625 µm, 5.9-6.0 phi; Size fraction 17.948-16.746 µm, 5.8-5.9 phi; Size fraction 19.237-17.948 µm, 5.7-5.8 phi; Size fraction 2.093-1.953 µm, 8.9-9.0 phi; Size fraction 2.244-2.093 µm, 8.8-8.9 phi; Size fraction 2.405-2.244 µm, 8.7-8.8 phi; Size fraction 2.577-2.405 µm, 8.6-8.7 phi; Size fraction 2.762-2.577 µm, 8.5-8.6 phi; Size fraction 2.960-2.762 µm, 8.4-8.5 phi; Size fraction 20.617-19.237 µm, 5.6-5.7 phi; Size fraction 22.097-20.617 µm, 5.5-5.6 phi; Size fraction 23.683-22.097 µm, 5.4-5.5 phi; Size fraction 25.383-23.683 µm, 5.3-5.4 phi; Size fraction 27.205-25.383 µm, 5.2-5.3 phi; Size fraction 29.157-27.205 µm, 5.1-5.2 phi; Size fraction 3.173-2.960 µm, 8.3-8.4 phi; Size fraction 3.401-3.173 µm, 8.2-8.3 phi; Size fraction 3.645-3.401 µm, 8.1-8.2 phi; Size fraction 3.906-3.645 µm, 8.0-8.1 phi; Size fraction 31.250-29.157 µm, 5.0-5.1 phi; Size fraction 33.493-31.250 µm, 4.9-5.0 phi; Size fraction 35.897-33.493 µm, 4.8-4.9 phi; Size fraction 38.473-35.897 µm, 4.7-4.8 phi; Size fraction 4.187-3.906 µm, 7.9-8.0 phi; Size fraction 4.487-4.187 µm, 7.8-7.9 phi; Size fraction 4.809-4.487 µm, 7.7-7.8 phi; Size fraction 41.235-38.473 µm, 4.6-4.7 phi; Size fraction 44.194-41.235 µm, 4.5-4.6 phi; Size fraction 47.366-44.194 µm, 4.4-4.5 phi; Size fraction 5.154-4.809 µm, 7.6-7.7 phi; Size fraction 5.524-5.154 µm, 7.5-7.6 phi; Size fraction 5.921-5.524 µm, 7.4-7.5 phi; Size fraction 50.766-47.366 µm, 4.3-4.4 phi; Size fraction 54.409-50.766 µm, 4.2-4.3 phi; Size fraction 58.315-54.409 µm, 4.1-4.2 phi; Size fraction 6.346-5.921 µm, 7.3-7.4 phi; Size fraction 6.801-6.346 µm, 7.2-7.3 phi; Size fraction 62.500-58.315 µm, 4.0-4.1 phi; Size fraction 7.289-6.801 µm, 7.1-7.2 phi; Size fraction 7.813-7.289 µm, 7.0-7.1 phi; Size fraction 8.373-7.813 µm, 6.9-7.0 phi; Size fraction 8.974-8.373 µm, 6.8-6.9 phi; Size fraction 9.618-8.974 µm, 6.7-6.8 phi
    Type: Dataset
    Format: text/tab-separated-values, 400 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 86
    facet.materialart.
    Unknown
    Silt fraction analysis of sediment core PS1375-3 (2000)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-06-26
    Keywords: ANT-IV/3; AWI_Paleo; Camp Norway; DEPTH, sediment/rock; Grain size, SEDIGRAPH 5000; Gravity corer (Kiel type); Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS08; PS08/347; PS1375-3; Size fraction 10.309-9.618 µm, 6.6-6.7 phi; Size fraction 11.049-10.309 µm, 6.5-6.6 phi; Size fraction 11.842-11.049 µm, 6.4-6.5 phi; Size fraction 12.691-11.842 µm, 6.3-6.4 phi; Size fraction 13.602-12.691 µm, 6.2-6.3 phi; Size fraction 14.579-13.602 µm, 6.1-6.2 phi; Size fraction 15.625-14.579 µm, 6.0-6.1 phi; Size fraction 16.746-15.625 µm, 5.9-6.0 phi; Size fraction 17.948-16.746 µm, 5.8-5.9 phi; Size fraction 19.237-17.948 µm, 5.7-5.8 phi; Size fraction 2.093-1.953 µm, 8.9-9.0 phi; Size fraction 2.244-2.093 µm, 8.8-8.9 phi; Size fraction 2.405-2.244 µm, 8.7-8.8 phi; Size fraction 2.577-2.405 µm, 8.6-8.7 phi; Size fraction 2.762-2.577 µm, 8.5-8.6 phi; Size fraction 2.960-2.762 µm, 8.4-8.5 phi; Size fraction 20.617-19.237 µm, 5.6-5.7 phi; Size fraction 22.097-20.617 µm, 5.5-5.6 phi; Size fraction 23.683-22.097 µm, 5.4-5.5 phi; Size fraction 25.383-23.683 µm, 5.3-5.4 phi; Size fraction 27.205-25.383 µm, 5.2-5.3 phi; Size fraction 29.157-27.205 µm, 5.1-5.2 phi; Size fraction 3.173-2.960 µm, 8.3-8.4 phi; Size fraction 3.401-3.173 µm, 8.2-8.3 phi; Size fraction 3.645-3.401 µm, 8.1-8.2 phi; Size fraction 3.906-3.645 µm, 8.0-8.1 phi; Size fraction 31.250-29.157 µm, 5.0-5.1 phi; Size fraction 33.493-31.250 µm, 4.9-5.0 phi; Size fraction 35.897-33.493 µm, 4.8-4.9 phi; Size fraction 38.473-35.897 µm, 4.7-4.8 phi; Size fraction 4.187-3.906 µm, 7.9-8.0 phi; Size fraction 4.487-4.187 µm, 7.8-7.9 phi; Size fraction 4.809-4.487 µm, 7.7-7.8 phi; Size fraction 41.235-38.473 µm, 4.6-4.7 phi; Size fraction 44.194-41.235 µm, 4.5-4.6 phi; Size fraction 47.366-44.194 µm, 4.4-4.5 phi; Size fraction 5.154-4.809 µm, 7.6-7.7 phi; Size fraction 5.524-5.154 µm, 7.5-7.6 phi; Size fraction 5.921-5.524 µm, 7.4-7.5 phi; Size fraction 50.766-47.366 µm, 4.3-4.4 phi; Size fraction 54.409-50.766 µm, 4.2-4.3 phi; Size fraction 58.315-54.409 µm, 4.1-4.2 phi; Size fraction 6.346-5.921 µm, 7.3-7.4 phi; Size fraction 6.801-6.346 µm, 7.2-7.3 phi; Size fraction 62.500-58.315 µm, 4.0-4.1 phi; Size fraction 7.289-6.801 µm, 7.1-7.2 phi; Size fraction 7.813-7.289 µm, 7.0-7.1 phi; Size fraction 8.373-7.813 µm, 6.9-7.0 phi; Size fraction 8.974-8.373 µm, 6.8-6.9 phi; Size fraction 9.618-8.974 µm, 6.7-6.8 phi; SL
    Type: Dataset
    Format: text/tab-separated-values, 5300 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 87
    facet.materialart.
    Unknown
    Silt fraction analysis of sediment core PS1376-2 (2000)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-06-26
    Keywords: ANT-IV/3; AWI_Paleo; Camp Norway; DEPTH, sediment/rock; Giant box corer; GKG; Grain size, SEDIGRAPH 5000; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS08; PS08/350; PS1376-2; Size fraction 10.309-9.618 µm, 6.6-6.7 phi; Size fraction 11.049-10.309 µm, 6.5-6.6 phi; Size fraction 11.842-11.049 µm, 6.4-6.5 phi; Size fraction 12.691-11.842 µm, 6.3-6.4 phi; Size fraction 13.602-12.691 µm, 6.2-6.3 phi; Size fraction 14.579-13.602 µm, 6.1-6.2 phi; Size fraction 15.625-14.579 µm, 6.0-6.1 phi; Size fraction 16.746-15.625 µm, 5.9-6.0 phi; Size fraction 17.948-16.746 µm, 5.8-5.9 phi; Size fraction 19.237-17.948 µm, 5.7-5.8 phi; Size fraction 2.093-1.953 µm, 8.9-9.0 phi; Size fraction 2.244-2.093 µm, 8.8-8.9 phi; Size fraction 2.405-2.244 µm, 8.7-8.8 phi; Size fraction 2.577-2.405 µm, 8.6-8.7 phi; Size fraction 2.762-2.577 µm, 8.5-8.6 phi; Size fraction 2.960-2.762 µm, 8.4-8.5 phi; Size fraction 20.617-19.237 µm, 5.6-5.7 phi; Size fraction 22.097-20.617 µm, 5.5-5.6 phi; Size fraction 23.683-22.097 µm, 5.4-5.5 phi; Size fraction 25.383-23.683 µm, 5.3-5.4 phi; Size fraction 27.205-25.383 µm, 5.2-5.3 phi; Size fraction 29.157-27.205 µm, 5.1-5.2 phi; Size fraction 3.173-2.960 µm, 8.3-8.4 phi; Size fraction 3.401-3.173 µm, 8.2-8.3 phi; Size fraction 3.645-3.401 µm, 8.1-8.2 phi; Size fraction 3.906-3.645 µm, 8.0-8.1 phi; Size fraction 31.250-29.157 µm, 5.0-5.1 phi; Size fraction 33.493-31.250 µm, 4.9-5.0 phi; Size fraction 35.897-33.493 µm, 4.8-4.9 phi; Size fraction 38.473-35.897 µm, 4.7-4.8 phi; Size fraction 4.187-3.906 µm, 7.9-8.0 phi; Size fraction 4.487-4.187 µm, 7.8-7.9 phi; Size fraction 4.809-4.487 µm, 7.7-7.8 phi; Size fraction 41.235-38.473 µm, 4.6-4.7 phi; Size fraction 44.194-41.235 µm, 4.5-4.6 phi; Size fraction 47.366-44.194 µm, 4.4-4.5 phi; Size fraction 5.154-4.809 µm, 7.6-7.7 phi; Size fraction 5.524-5.154 µm, 7.5-7.6 phi; Size fraction 5.921-5.524 µm, 7.4-7.5 phi; Size fraction 50.766-47.366 µm, 4.3-4.4 phi; Size fraction 54.409-50.766 µm, 4.2-4.3 phi; Size fraction 58.315-54.409 µm, 4.1-4.2 phi; Size fraction 6.346-5.921 µm, 7.3-7.4 phi; Size fraction 6.801-6.346 µm, 7.2-7.3 phi; Size fraction 62.500-58.315 µm, 4.0-4.1 phi; Size fraction 7.289-6.801 µm, 7.1-7.2 phi; Size fraction 7.813-7.289 µm, 7.0-7.1 phi; Size fraction 8.373-7.813 µm, 6.9-7.0 phi; Size fraction 8.974-8.373 µm, 6.8-6.9 phi; Size fraction 9.618-8.974 µm, 6.7-6.8 phi
    Type: Dataset
    Format: text/tab-separated-values, 450 data points
    Location Call Number Expected Availability
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  • 88
    facet.materialart.
    Unknown
    Silt fraction analysis of sediment core PS1380-1 (2000)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-06-26
    Keywords: ANT-IV/3; Atka Bay; AWI_Paleo; DEPTH, sediment/rock; Giant box corer; GKG; Grain size, SEDIGRAPH 5000; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS08; PS08/356; PS1380-1; Size fraction 10.309-9.618 µm, 6.6-6.7 phi; Size fraction 11.049-10.309 µm, 6.5-6.6 phi; Size fraction 11.842-11.049 µm, 6.4-6.5 phi; Size fraction 12.691-11.842 µm, 6.3-6.4 phi; Size fraction 13.602-12.691 µm, 6.2-6.3 phi; Size fraction 14.579-13.602 µm, 6.1-6.2 phi; Size fraction 15.625-14.579 µm, 6.0-6.1 phi; Size fraction 16.746-15.625 µm, 5.9-6.0 phi; Size fraction 17.948-16.746 µm, 5.8-5.9 phi; Size fraction 19.237-17.948 µm, 5.7-5.8 phi; Size fraction 2.093-1.953 µm, 8.9-9.0 phi; Size fraction 2.244-2.093 µm, 8.8-8.9 phi; Size fraction 2.405-2.244 µm, 8.7-8.8 phi; Size fraction 2.577-2.405 µm, 8.6-8.7 phi; Size fraction 2.762-2.577 µm, 8.5-8.6 phi; Size fraction 2.960-2.762 µm, 8.4-8.5 phi; Size fraction 20.617-19.237 µm, 5.6-5.7 phi; Size fraction 22.097-20.617 µm, 5.5-5.6 phi; Size fraction 23.683-22.097 µm, 5.4-5.5 phi; Size fraction 25.383-23.683 µm, 5.3-5.4 phi; Size fraction 27.205-25.383 µm, 5.2-5.3 phi; Size fraction 29.157-27.205 µm, 5.1-5.2 phi; Size fraction 3.173-2.960 µm, 8.3-8.4 phi; Size fraction 3.401-3.173 µm, 8.2-8.3 phi; Size fraction 3.645-3.401 µm, 8.1-8.2 phi; Size fraction 3.906-3.645 µm, 8.0-8.1 phi; Size fraction 31.250-29.157 µm, 5.0-5.1 phi; Size fraction 33.493-31.250 µm, 4.9-5.0 phi; Size fraction 35.897-33.493 µm, 4.8-4.9 phi; Size fraction 38.473-35.897 µm, 4.7-4.8 phi; Size fraction 4.187-3.906 µm, 7.9-8.0 phi; Size fraction 4.487-4.187 µm, 7.8-7.9 phi; Size fraction 4.809-4.487 µm, 7.7-7.8 phi; Size fraction 41.235-38.473 µm, 4.6-4.7 phi; Size fraction 44.194-41.235 µm, 4.5-4.6 phi; Size fraction 47.366-44.194 µm, 4.4-4.5 phi; Size fraction 5.154-4.809 µm, 7.6-7.7 phi; Size fraction 5.524-5.154 µm, 7.5-7.6 phi; Size fraction 5.921-5.524 µm, 7.4-7.5 phi; Size fraction 50.766-47.366 µm, 4.3-4.4 phi; Size fraction 54.409-50.766 µm, 4.2-4.3 phi; Size fraction 58.315-54.409 µm, 4.1-4.2 phi; Size fraction 6.346-5.921 µm, 7.3-7.4 phi; Size fraction 6.801-6.346 µm, 7.2-7.3 phi; Size fraction 62.500-58.315 µm, 4.0-4.1 phi; Size fraction 7.289-6.801 µm, 7.1-7.2 phi; Size fraction 7.813-7.289 µm, 7.0-7.1 phi; Size fraction 8.373-7.813 µm, 6.9-7.0 phi; Size fraction 8.974-8.373 µm, 6.8-6.9 phi; Size fraction 9.618-8.974 µm, 6.7-6.8 phi
    Type: Dataset
    Format: text/tab-separated-values, 450 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 89
    facet.materialart.
    Unknown
    Silt fraction analysis of sediment core PS1382-1 (2000)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-06-26
    Keywords: ANT-IV/3; Atka Bay; AWI_Paleo; DEPTH, sediment/rock; Giant box corer; GKG; Grain size, SEDIGRAPH 5000; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS08; PS08/358; PS1382-1; Size fraction 10.309-9.618 µm, 6.6-6.7 phi; Size fraction 11.049-10.309 µm, 6.5-6.6 phi; Size fraction 11.842-11.049 µm, 6.4-6.5 phi; Size fraction 12.691-11.842 µm, 6.3-6.4 phi; Size fraction 13.602-12.691 µm, 6.2-6.3 phi; Size fraction 14.579-13.602 µm, 6.1-6.2 phi; Size fraction 15.625-14.579 µm, 6.0-6.1 phi; Size fraction 16.746-15.625 µm, 5.9-6.0 phi; Size fraction 17.948-16.746 µm, 5.8-5.9 phi; Size fraction 19.237-17.948 µm, 5.7-5.8 phi; Size fraction 2.093-1.953 µm, 8.9-9.0 phi; Size fraction 2.244-2.093 µm, 8.8-8.9 phi; Size fraction 2.405-2.244 µm, 8.7-8.8 phi; Size fraction 2.577-2.405 µm, 8.6-8.7 phi; Size fraction 2.762-2.577 µm, 8.5-8.6 phi; Size fraction 2.960-2.762 µm, 8.4-8.5 phi; Size fraction 20.617-19.237 µm, 5.6-5.7 phi; Size fraction 22.097-20.617 µm, 5.5-5.6 phi; Size fraction 23.683-22.097 µm, 5.4-5.5 phi; Size fraction 25.383-23.683 µm, 5.3-5.4 phi; Size fraction 27.205-25.383 µm, 5.2-5.3 phi; Size fraction 29.157-27.205 µm, 5.1-5.2 phi; Size fraction 3.173-2.960 µm, 8.3-8.4 phi; Size fraction 3.401-3.173 µm, 8.2-8.3 phi; Size fraction 3.645-3.401 µm, 8.1-8.2 phi; Size fraction 3.906-3.645 µm, 8.0-8.1 phi; Size fraction 31.250-29.157 µm, 5.0-5.1 phi; Size fraction 33.493-31.250 µm, 4.9-5.0 phi; Size fraction 35.897-33.493 µm, 4.8-4.9 phi; Size fraction 38.473-35.897 µm, 4.7-4.8 phi; Size fraction 4.187-3.906 µm, 7.9-8.0 phi; Size fraction 4.487-4.187 µm, 7.8-7.9 phi; Size fraction 4.809-4.487 µm, 7.7-7.8 phi; Size fraction 41.235-38.473 µm, 4.6-4.7 phi; Size fraction 44.194-41.235 µm, 4.5-4.6 phi; Size fraction 47.366-44.194 µm, 4.4-4.5 phi; Size fraction 5.154-4.809 µm, 7.6-7.7 phi; Size fraction 5.524-5.154 µm, 7.5-7.6 phi; Size fraction 5.921-5.524 µm, 7.4-7.5 phi; Size fraction 50.766-47.366 µm, 4.3-4.4 phi; Size fraction 54.409-50.766 µm, 4.2-4.3 phi; Size fraction 58.315-54.409 µm, 4.1-4.2 phi; Size fraction 6.346-5.921 µm, 7.3-7.4 phi; Size fraction 6.801-6.346 µm, 7.2-7.3 phi; Size fraction 62.500-58.315 µm, 4.0-4.1 phi; Size fraction 7.289-6.801 µm, 7.1-7.2 phi; Size fraction 7.813-7.289 µm, 7.0-7.1 phi; Size fraction 8.373-7.813 µm, 6.9-7.0 phi; Size fraction 8.974-8.373 µm, 6.8-6.9 phi; Size fraction 9.618-8.974 µm, 6.7-6.8 phi
    Type: Dataset
    Format: text/tab-separated-values, 350 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 90
    facet.materialart.
    Unknown
    Silt fraction analysis of sediment core PS1385-3 (2000)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-06-26
    Keywords: ANT-IV/3; Atka Bay; AWI_Paleo; DEPTH, sediment/rock; Grain size, SEDIGRAPH 5000; Gravity corer (Kiel type); Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS08; PS08/361; PS1385-3; Size fraction 10.309-9.618 µm, 6.6-6.7 phi; Size fraction 11.049-10.309 µm, 6.5-6.6 phi; Size fraction 11.842-11.049 µm, 6.4-6.5 phi; Size fraction 12.691-11.842 µm, 6.3-6.4 phi; Size fraction 13.602-12.691 µm, 6.2-6.3 phi; Size fraction 14.579-13.602 µm, 6.1-6.2 phi; Size fraction 15.625-14.579 µm, 6.0-6.1 phi; Size fraction 16.746-15.625 µm, 5.9-6.0 phi; Size fraction 17.948-16.746 µm, 5.8-5.9 phi; Size fraction 19.237-17.948 µm, 5.7-5.8 phi; Size fraction 2.093-1.953 µm, 8.9-9.0 phi; Size fraction 2.244-2.093 µm, 8.8-8.9 phi; Size fraction 2.405-2.244 µm, 8.7-8.8 phi; Size fraction 2.577-2.405 µm, 8.6-8.7 phi; Size fraction 2.762-2.577 µm, 8.5-8.6 phi; Size fraction 2.960-2.762 µm, 8.4-8.5 phi; Size fraction 20.617-19.237 µm, 5.6-5.7 phi; Size fraction 22.097-20.617 µm, 5.5-5.6 phi; Size fraction 23.683-22.097 µm, 5.4-5.5 phi; Size fraction 25.383-23.683 µm, 5.3-5.4 phi; Size fraction 27.205-25.383 µm, 5.2-5.3 phi; Size fraction 29.157-27.205 µm, 5.1-5.2 phi; Size fraction 3.173-2.960 µm, 8.3-8.4 phi; Size fraction 3.401-3.173 µm, 8.2-8.3 phi; Size fraction 3.645-3.401 µm, 8.1-8.2 phi; Size fraction 3.906-3.645 µm, 8.0-8.1 phi; Size fraction 31.250-29.157 µm, 5.0-5.1 phi; Size fraction 33.493-31.250 µm, 4.9-5.0 phi; Size fraction 35.897-33.493 µm, 4.8-4.9 phi; Size fraction 38.473-35.897 µm, 4.7-4.8 phi; Size fraction 4.187-3.906 µm, 7.9-8.0 phi; Size fraction 4.487-4.187 µm, 7.8-7.9 phi; Size fraction 4.809-4.487 µm, 7.7-7.8 phi; Size fraction 41.235-38.473 µm, 4.6-4.7 phi; Size fraction 44.194-41.235 µm, 4.5-4.6 phi; Size fraction 47.366-44.194 µm, 4.4-4.5 phi; Size fraction 5.154-4.809 µm, 7.6-7.7 phi; Size fraction 5.524-5.154 µm, 7.5-7.6 phi; Size fraction 5.921-5.524 µm, 7.4-7.5 phi; Size fraction 50.766-47.366 µm, 4.3-4.4 phi; Size fraction 54.409-50.766 µm, 4.2-4.3 phi; Size fraction 58.315-54.409 µm, 4.1-4.2 phi; Size fraction 6.346-5.921 µm, 7.3-7.4 phi; Size fraction 6.801-6.346 µm, 7.2-7.3 phi; Size fraction 62.500-58.315 µm, 4.0-4.1 phi; Size fraction 7.289-6.801 µm, 7.1-7.2 phi; Size fraction 7.813-7.289 µm, 7.0-7.1 phi; Size fraction 8.373-7.813 µm, 6.9-7.0 phi; Size fraction 8.974-8.373 µm, 6.8-6.9 phi; Size fraction 9.618-8.974 µm, 6.7-6.8 phi; SL
    Type: Dataset
    Format: text/tab-separated-values, 500 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 91
    facet.materialart.
    Unknown
    Silt fraction analysis of sediment core PS1386-1 (2000)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-06-26
    Keywords: ANT-IV/3; Atka Bay; AWI_Paleo; DEPTH, sediment/rock; Giant box corer; GKG; Grain size, SEDIGRAPH 5000; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS08; PS08/364; PS1386-1; Size fraction 10.309-9.618 µm, 6.6-6.7 phi; Size fraction 11.049-10.309 µm, 6.5-6.6 phi; Size fraction 11.842-11.049 µm, 6.4-6.5 phi; Size fraction 12.691-11.842 µm, 6.3-6.4 phi; Size fraction 13.602-12.691 µm, 6.2-6.3 phi; Size fraction 14.579-13.602 µm, 6.1-6.2 phi; Size fraction 15.625-14.579 µm, 6.0-6.1 phi; Size fraction 16.746-15.625 µm, 5.9-6.0 phi; Size fraction 17.948-16.746 µm, 5.8-5.9 phi; Size fraction 19.237-17.948 µm, 5.7-5.8 phi; Size fraction 2.093-1.953 µm, 8.9-9.0 phi; Size fraction 2.244-2.093 µm, 8.8-8.9 phi; Size fraction 2.405-2.244 µm, 8.7-8.8 phi; Size fraction 2.577-2.405 µm, 8.6-8.7 phi; Size fraction 2.762-2.577 µm, 8.5-8.6 phi; Size fraction 2.960-2.762 µm, 8.4-8.5 phi; Size fraction 20.617-19.237 µm, 5.6-5.7 phi; Size fraction 22.097-20.617 µm, 5.5-5.6 phi; Size fraction 23.683-22.097 µm, 5.4-5.5 phi; Size fraction 25.383-23.683 µm, 5.3-5.4 phi; Size fraction 27.205-25.383 µm, 5.2-5.3 phi; Size fraction 29.157-27.205 µm, 5.1-5.2 phi; Size fraction 3.173-2.960 µm, 8.3-8.4 phi; Size fraction 3.401-3.173 µm, 8.2-8.3 phi; Size fraction 3.645-3.401 µm, 8.1-8.2 phi; Size fraction 3.906-3.645 µm, 8.0-8.1 phi; Size fraction 31.250-29.157 µm, 5.0-5.1 phi; Size fraction 33.493-31.250 µm, 4.9-5.0 phi; Size fraction 35.897-33.493 µm, 4.8-4.9 phi; Size fraction 38.473-35.897 µm, 4.7-4.8 phi; Size fraction 4.187-3.906 µm, 7.9-8.0 phi; Size fraction 4.487-4.187 µm, 7.8-7.9 phi; Size fraction 4.809-4.487 µm, 7.7-7.8 phi; Size fraction 41.235-38.473 µm, 4.6-4.7 phi; Size fraction 44.194-41.235 µm, 4.5-4.6 phi; Size fraction 47.366-44.194 µm, 4.4-4.5 phi; Size fraction 5.154-4.809 µm, 7.6-7.7 phi; Size fraction 5.524-5.154 µm, 7.5-7.6 phi; Size fraction 5.921-5.524 µm, 7.4-7.5 phi; Size fraction 50.766-47.366 µm, 4.3-4.4 phi; Size fraction 54.409-50.766 µm, 4.2-4.3 phi; Size fraction 58.315-54.409 µm, 4.1-4.2 phi; Size fraction 6.346-5.921 µm, 7.3-7.4 phi; Size fraction 6.801-6.346 µm, 7.2-7.3 phi; Size fraction 62.500-58.315 µm, 4.0-4.1 phi; Size fraction 7.289-6.801 µm, 7.1-7.2 phi; Size fraction 7.813-7.289 µm, 7.0-7.1 phi; Size fraction 8.373-7.813 µm, 6.9-7.0 phi; Size fraction 8.974-8.373 µm, 6.8-6.9 phi; Size fraction 9.618-8.974 µm, 6.7-6.8 phi
    Type: Dataset
    Format: text/tab-separated-values, 350 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 92
    facet.materialart.
    Unknown
    Silt fraction analysis of sediment core PS1387-1 (2000)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-06-26
    Keywords: ANT-IV/3; Atka Bay; AWI_Paleo; DEPTH, sediment/rock; Giant box corer; GKG; Grain size, SEDIGRAPH 5000; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS08; PS08/365; PS1387-1; Size fraction 10.309-9.618 µm, 6.6-6.7 phi; Size fraction 11.049-10.309 µm, 6.5-6.6 phi; Size fraction 11.842-11.049 µm, 6.4-6.5 phi; Size fraction 12.691-11.842 µm, 6.3-6.4 phi; Size fraction 13.602-12.691 µm, 6.2-6.3 phi; Size fraction 14.579-13.602 µm, 6.1-6.2 phi; Size fraction 15.625-14.579 µm, 6.0-6.1 phi; Size fraction 16.746-15.625 µm, 5.9-6.0 phi; Size fraction 17.948-16.746 µm, 5.8-5.9 phi; Size fraction 19.237-17.948 µm, 5.7-5.8 phi; Size fraction 2.093-1.953 µm, 8.9-9.0 phi; Size fraction 2.244-2.093 µm, 8.8-8.9 phi; Size fraction 2.405-2.244 µm, 8.7-8.8 phi; Size fraction 2.577-2.405 µm, 8.6-8.7 phi; Size fraction 2.762-2.577 µm, 8.5-8.6 phi; Size fraction 2.960-2.762 µm, 8.4-8.5 phi; Size fraction 20.617-19.237 µm, 5.6-5.7 phi; Size fraction 22.097-20.617 µm, 5.5-5.6 phi; Size fraction 23.683-22.097 µm, 5.4-5.5 phi; Size fraction 25.383-23.683 µm, 5.3-5.4 phi; Size fraction 27.205-25.383 µm, 5.2-5.3 phi; Size fraction 29.157-27.205 µm, 5.1-5.2 phi; Size fraction 3.173-2.960 µm, 8.3-8.4 phi; Size fraction 3.401-3.173 µm, 8.2-8.3 phi; Size fraction 3.645-3.401 µm, 8.1-8.2 phi; Size fraction 3.906-3.645 µm, 8.0-8.1 phi; Size fraction 31.250-29.157 µm, 5.0-5.1 phi; Size fraction 33.493-31.250 µm, 4.9-5.0 phi; Size fraction 35.897-33.493 µm, 4.8-4.9 phi; Size fraction 38.473-35.897 µm, 4.7-4.8 phi; Size fraction 4.187-3.906 µm, 7.9-8.0 phi; Size fraction 4.487-4.187 µm, 7.8-7.9 phi; Size fraction 4.809-4.487 µm, 7.7-7.8 phi; Size fraction 41.235-38.473 µm, 4.6-4.7 phi; Size fraction 44.194-41.235 µm, 4.5-4.6 phi; Size fraction 47.366-44.194 µm, 4.4-4.5 phi; Size fraction 5.154-4.809 µm, 7.6-7.7 phi; Size fraction 5.524-5.154 µm, 7.5-7.6 phi; Size fraction 5.921-5.524 µm, 7.4-7.5 phi; Size fraction 50.766-47.366 µm, 4.3-4.4 phi; Size fraction 54.409-50.766 µm, 4.2-4.3 phi; Size fraction 58.315-54.409 µm, 4.1-4.2 phi; Size fraction 6.346-5.921 µm, 7.3-7.4 phi; Size fraction 6.801-6.346 µm, 7.2-7.3 phi; Size fraction 62.500-58.315 µm, 4.0-4.1 phi; Size fraction 7.289-6.801 µm, 7.1-7.2 phi; Size fraction 7.813-7.289 µm, 7.0-7.1 phi; Size fraction 8.373-7.813 µm, 6.9-7.0 phi; Size fraction 8.974-8.373 µm, 6.8-6.9 phi; Size fraction 9.618-8.974 µm, 6.7-6.8 phi
    Type: Dataset
    Format: text/tab-separated-values, 400 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 93
    facet.materialart.
    Unknown
    Silt fraction analysis of sediment core PS1386-2 (2000)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-06-26
    Keywords: ANT-IV/3; Atka Bay; AWI_Paleo; DEPTH, sediment/rock; Grain size, SEDIGRAPH 5000; Gravity corer (Kiel type); Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS08; PS08/364; PS1386-2; Size fraction 10.309-9.618 µm, 6.6-6.7 phi; Size fraction 11.049-10.309 µm, 6.5-6.6 phi; Size fraction 11.842-11.049 µm, 6.4-6.5 phi; Size fraction 12.691-11.842 µm, 6.3-6.4 phi; Size fraction 13.602-12.691 µm, 6.2-6.3 phi; Size fraction 14.579-13.602 µm, 6.1-6.2 phi; Size fraction 15.625-14.579 µm, 6.0-6.1 phi; Size fraction 16.746-15.625 µm, 5.9-6.0 phi; Size fraction 17.948-16.746 µm, 5.8-5.9 phi; Size fraction 19.237-17.948 µm, 5.7-5.8 phi; Size fraction 2.093-1.953 µm, 8.9-9.0 phi; Size fraction 2.244-2.093 µm, 8.8-8.9 phi; Size fraction 2.405-2.244 µm, 8.7-8.8 phi; Size fraction 2.577-2.405 µm, 8.6-8.7 phi; Size fraction 2.762-2.577 µm, 8.5-8.6 phi; Size fraction 2.960-2.762 µm, 8.4-8.5 phi; Size fraction 20.617-19.237 µm, 5.6-5.7 phi; Size fraction 22.097-20.617 µm, 5.5-5.6 phi; Size fraction 23.683-22.097 µm, 5.4-5.5 phi; Size fraction 25.383-23.683 µm, 5.3-5.4 phi; Size fraction 27.205-25.383 µm, 5.2-5.3 phi; Size fraction 29.157-27.205 µm, 5.1-5.2 phi; Size fraction 3.173-2.960 µm, 8.3-8.4 phi; Size fraction 3.401-3.173 µm, 8.2-8.3 phi; Size fraction 3.645-3.401 µm, 8.1-8.2 phi; Size fraction 3.906-3.645 µm, 8.0-8.1 phi; Size fraction 31.250-29.157 µm, 5.0-5.1 phi; Size fraction 33.493-31.250 µm, 4.9-5.0 phi; Size fraction 35.897-33.493 µm, 4.8-4.9 phi; Size fraction 38.473-35.897 µm, 4.7-4.8 phi; Size fraction 4.187-3.906 µm, 7.9-8.0 phi; Size fraction 4.487-4.187 µm, 7.8-7.9 phi; Size fraction 4.809-4.487 µm, 7.7-7.8 phi; Size fraction 41.235-38.473 µm, 4.6-4.7 phi; Size fraction 44.194-41.235 µm, 4.5-4.6 phi; Size fraction 47.366-44.194 µm, 4.4-4.5 phi; Size fraction 5.154-4.809 µm, 7.6-7.7 phi; Size fraction 5.524-5.154 µm, 7.5-7.6 phi; Size fraction 5.921-5.524 µm, 7.4-7.5 phi; Size fraction 50.766-47.366 µm, 4.3-4.4 phi; Size fraction 54.409-50.766 µm, 4.2-4.3 phi; Size fraction 58.315-54.409 µm, 4.1-4.2 phi; Size fraction 6.346-5.921 µm, 7.3-7.4 phi; Size fraction 6.801-6.346 µm, 7.2-7.3 phi; Size fraction 62.500-58.315 µm, 4.0-4.1 phi; Size fraction 7.289-6.801 µm, 7.1-7.2 phi; Size fraction 7.813-7.289 µm, 7.0-7.1 phi; Size fraction 8.373-7.813 µm, 6.9-7.0 phi; Size fraction 8.974-8.373 µm, 6.8-6.9 phi; Size fraction 9.618-8.974 µm, 6.7-6.8 phi; SL
    Type: Dataset
    Format: text/tab-separated-values, 2600 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 94
    facet.materialart.
    Unknown
    Silt fraction analysis of sediment core PS1387-3 (2000)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-06-26
    Keywords: ANT-IV/3; Atka Bay; AWI_Paleo; DEPTH, sediment/rock; Grain size, SEDIGRAPH 5000; Gravity corer (Kiel type); Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS08; PS08/365; PS1387-3; Size fraction 10.309-9.618 µm, 6.6-6.7 phi; Size fraction 11.049-10.309 µm, 6.5-6.6 phi; Size fraction 11.842-11.049 µm, 6.4-6.5 phi; Size fraction 12.691-11.842 µm, 6.3-6.4 phi; Size fraction 13.602-12.691 µm, 6.2-6.3 phi; Size fraction 14.579-13.602 µm, 6.1-6.2 phi; Size fraction 15.625-14.579 µm, 6.0-6.1 phi; Size fraction 16.746-15.625 µm, 5.9-6.0 phi; Size fraction 17.948-16.746 µm, 5.8-5.9 phi; Size fraction 19.237-17.948 µm, 5.7-5.8 phi; Size fraction 2.093-1.953 µm, 8.9-9.0 phi; Size fraction 2.244-2.093 µm, 8.8-8.9 phi; Size fraction 2.405-2.244 µm, 8.7-8.8 phi; Size fraction 2.577-2.405 µm, 8.6-8.7 phi; Size fraction 2.762-2.577 µm, 8.5-8.6 phi; Size fraction 2.960-2.762 µm, 8.4-8.5 phi; Size fraction 20.617-19.237 µm, 5.6-5.7 phi; Size fraction 22.097-20.617 µm, 5.5-5.6 phi; Size fraction 23.683-22.097 µm, 5.4-5.5 phi; Size fraction 25.383-23.683 µm, 5.3-5.4 phi; Size fraction 27.205-25.383 µm, 5.2-5.3 phi; Size fraction 29.157-27.205 µm, 5.1-5.2 phi; Size fraction 3.173-2.960 µm, 8.3-8.4 phi; Size fraction 3.401-3.173 µm, 8.2-8.3 phi; Size fraction 3.645-3.401 µm, 8.1-8.2 phi; Size fraction 3.906-3.645 µm, 8.0-8.1 phi; Size fraction 31.250-29.157 µm, 5.0-5.1 phi; Size fraction 33.493-31.250 µm, 4.9-5.0 phi; Size fraction 35.897-33.493 µm, 4.8-4.9 phi; Size fraction 38.473-35.897 µm, 4.7-4.8 phi; Size fraction 4.187-3.906 µm, 7.9-8.0 phi; Size fraction 4.487-4.187 µm, 7.8-7.9 phi; Size fraction 4.809-4.487 µm, 7.7-7.8 phi; Size fraction 41.235-38.473 µm, 4.6-4.7 phi; Size fraction 44.194-41.235 µm, 4.5-4.6 phi; Size fraction 47.366-44.194 µm, 4.4-4.5 phi; Size fraction 5.154-4.809 µm, 7.6-7.7 phi; Size fraction 5.524-5.154 µm, 7.5-7.6 phi; Size fraction 5.921-5.524 µm, 7.4-7.5 phi; Size fraction 50.766-47.366 µm, 4.3-4.4 phi; Size fraction 54.409-50.766 µm, 4.2-4.3 phi; Size fraction 58.315-54.409 µm, 4.1-4.2 phi; Size fraction 6.346-5.921 µm, 7.3-7.4 phi; Size fraction 6.801-6.346 µm, 7.2-7.3 phi; Size fraction 62.500-58.315 µm, 4.0-4.1 phi; Size fraction 7.289-6.801 µm, 7.1-7.2 phi; Size fraction 7.813-7.289 µm, 7.0-7.1 phi; Size fraction 8.373-7.813 µm, 6.9-7.0 phi; Size fraction 8.974-8.373 µm, 6.8-6.9 phi; Size fraction 9.618-8.974 µm, 6.7-6.8 phi; SL
    Type: Dataset
    Format: text/tab-separated-values, 5150 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 95
    facet.materialart.
    Unknown
    Silt fraction analysis of sediment core PS1389-3 (2000)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-06-26
    Keywords: ANT-IV/3; Atka Bay; AWI_Paleo; DEPTH, sediment/rock; Grain size, SEDIGRAPH 5000; Gravity corer (Kiel type); Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS08; PS08/367; PS1389-3; Size fraction 10.309-9.618 µm, 6.6-6.7 phi; Size fraction 11.049-10.309 µm, 6.5-6.6 phi; Size fraction 11.842-11.049 µm, 6.4-6.5 phi; Size fraction 12.691-11.842 µm, 6.3-6.4 phi; Size fraction 13.602-12.691 µm, 6.2-6.3 phi; Size fraction 14.579-13.602 µm, 6.1-6.2 phi; Size fraction 15.625-14.579 µm, 6.0-6.1 phi; Size fraction 16.746-15.625 µm, 5.9-6.0 phi; Size fraction 17.948-16.746 µm, 5.8-5.9 phi; Size fraction 19.237-17.948 µm, 5.7-5.8 phi; Size fraction 2.093-1.953 µm, 8.9-9.0 phi; Size fraction 2.244-2.093 µm, 8.8-8.9 phi; Size fraction 2.405-2.244 µm, 8.7-8.8 phi; Size fraction 2.577-2.405 µm, 8.6-8.7 phi; Size fraction 2.762-2.577 µm, 8.5-8.6 phi; Size fraction 2.960-2.762 µm, 8.4-8.5 phi; Size fraction 20.617-19.237 µm, 5.6-5.7 phi; Size fraction 22.097-20.617 µm, 5.5-5.6 phi; Size fraction 23.683-22.097 µm, 5.4-5.5 phi; Size fraction 25.383-23.683 µm, 5.3-5.4 phi; Size fraction 27.205-25.383 µm, 5.2-5.3 phi; Size fraction 29.157-27.205 µm, 5.1-5.2 phi; Size fraction 3.173-2.960 µm, 8.3-8.4 phi; Size fraction 3.401-3.173 µm, 8.2-8.3 phi; Size fraction 3.645-3.401 µm, 8.1-8.2 phi; Size fraction 3.906-3.645 µm, 8.0-8.1 phi; Size fraction 31.250-29.157 µm, 5.0-5.1 phi; Size fraction 33.493-31.250 µm, 4.9-5.0 phi; Size fraction 35.897-33.493 µm, 4.8-4.9 phi; Size fraction 38.473-35.897 µm, 4.7-4.8 phi; Size fraction 4.187-3.906 µm, 7.9-8.0 phi; Size fraction 4.487-4.187 µm, 7.8-7.9 phi; Size fraction 4.809-4.487 µm, 7.7-7.8 phi; Size fraction 41.235-38.473 µm, 4.6-4.7 phi; Size fraction 44.194-41.235 µm, 4.5-4.6 phi; Size fraction 47.366-44.194 µm, 4.4-4.5 phi; Size fraction 5.154-4.809 µm, 7.6-7.7 phi; Size fraction 5.524-5.154 µm, 7.5-7.6 phi; Size fraction 5.921-5.524 µm, 7.4-7.5 phi; Size fraction 50.766-47.366 µm, 4.3-4.4 phi; Size fraction 54.409-50.766 µm, 4.2-4.3 phi; Size fraction 58.315-54.409 µm, 4.1-4.2 phi; Size fraction 6.346-5.921 µm, 7.3-7.4 phi; Size fraction 6.801-6.346 µm, 7.2-7.3 phi; Size fraction 62.500-58.315 µm, 4.0-4.1 phi; Size fraction 7.289-6.801 µm, 7.1-7.2 phi; Size fraction 7.813-7.289 µm, 7.0-7.1 phi; Size fraction 8.373-7.813 µm, 6.9-7.0 phi; Size fraction 8.974-8.373 µm, 6.8-6.9 phi; Size fraction 9.618-8.974 µm, 6.7-6.8 phi; SL
    Type: Dataset
    Format: text/tab-separated-values, 4650 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 96
    facet.materialart.
    Unknown
    Silt fraction analysis of sediment core PS1388-1 (2000)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-06-26
    Keywords: ANT-IV/3; Atka Bay; AWI_Paleo; DEPTH, sediment/rock; Giant box corer; GKG; Grain size, SEDIGRAPH 5000; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS08; PS08/366; PS1388-1; Size fraction 10.309-9.618 µm, 6.6-6.7 phi; Size fraction 11.049-10.309 µm, 6.5-6.6 phi; Size fraction 11.842-11.049 µm, 6.4-6.5 phi; Size fraction 12.691-11.842 µm, 6.3-6.4 phi; Size fraction 13.602-12.691 µm, 6.2-6.3 phi; Size fraction 14.579-13.602 µm, 6.1-6.2 phi; Size fraction 15.625-14.579 µm, 6.0-6.1 phi; Size fraction 16.746-15.625 µm, 5.9-6.0 phi; Size fraction 17.948-16.746 µm, 5.8-5.9 phi; Size fraction 19.237-17.948 µm, 5.7-5.8 phi; Size fraction 2.093-1.953 µm, 8.9-9.0 phi; Size fraction 2.244-2.093 µm, 8.8-8.9 phi; Size fraction 2.405-2.244 µm, 8.7-8.8 phi; Size fraction 2.577-2.405 µm, 8.6-8.7 phi; Size fraction 2.762-2.577 µm, 8.5-8.6 phi; Size fraction 2.960-2.762 µm, 8.4-8.5 phi; Size fraction 20.617-19.237 µm, 5.6-5.7 phi; Size fraction 22.097-20.617 µm, 5.5-5.6 phi; Size fraction 23.683-22.097 µm, 5.4-5.5 phi; Size fraction 25.383-23.683 µm, 5.3-5.4 phi; Size fraction 27.205-25.383 µm, 5.2-5.3 phi; Size fraction 29.157-27.205 µm, 5.1-5.2 phi; Size fraction 3.173-2.960 µm, 8.3-8.4 phi; Size fraction 3.401-3.173 µm, 8.2-8.3 phi; Size fraction 3.645-3.401 µm, 8.1-8.2 phi; Size fraction 3.906-3.645 µm, 8.0-8.1 phi; Size fraction 31.250-29.157 µm, 5.0-5.1 phi; Size fraction 33.493-31.250 µm, 4.9-5.0 phi; Size fraction 35.897-33.493 µm, 4.8-4.9 phi; Size fraction 38.473-35.897 µm, 4.7-4.8 phi; Size fraction 4.187-3.906 µm, 7.9-8.0 phi; Size fraction 4.487-4.187 µm, 7.8-7.9 phi; Size fraction 4.809-4.487 µm, 7.7-7.8 phi; Size fraction 41.235-38.473 µm, 4.6-4.7 phi; Size fraction 44.194-41.235 µm, 4.5-4.6 phi; Size fraction 47.366-44.194 µm, 4.4-4.5 phi; Size fraction 5.154-4.809 µm, 7.6-7.7 phi; Size fraction 5.524-5.154 µm, 7.5-7.6 phi; Size fraction 5.921-5.524 µm, 7.4-7.5 phi; Size fraction 50.766-47.366 µm, 4.3-4.4 phi; Size fraction 54.409-50.766 µm, 4.2-4.3 phi; Size fraction 58.315-54.409 µm, 4.1-4.2 phi; Size fraction 6.346-5.921 µm, 7.3-7.4 phi; Size fraction 6.801-6.346 µm, 7.2-7.3 phi; Size fraction 62.500-58.315 µm, 4.0-4.1 phi; Size fraction 7.289-6.801 µm, 7.1-7.2 phi; Size fraction 7.813-7.289 µm, 7.0-7.1 phi; Size fraction 8.373-7.813 µm, 6.9-7.0 phi; Size fraction 8.974-8.373 µm, 6.8-6.9 phi; Size fraction 9.618-8.974 µm, 6.7-6.8 phi
    Type: Dataset
    Format: text/tab-separated-values, 1050 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 97
    facet.materialart.
    Unknown
    Silt fraction analysis of sediment core PS1388-3 (2000)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-06-26
    Keywords: ANT-IV/3; Atka Bay; AWI_Paleo; DEPTH, sediment/rock; Grain size, SEDIGRAPH 5000; Gravity corer (Kiel type); Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS08; PS08/366; PS1388-3; Size fraction 10.309-9.618 µm, 6.6-6.7 phi; Size fraction 11.049-10.309 µm, 6.5-6.6 phi; Size fraction 11.842-11.049 µm, 6.4-6.5 phi; Size fraction 12.691-11.842 µm, 6.3-6.4 phi; Size fraction 13.602-12.691 µm, 6.2-6.3 phi; Size fraction 14.579-13.602 µm, 6.1-6.2 phi; Size fraction 15.625-14.579 µm, 6.0-6.1 phi; Size fraction 16.746-15.625 µm, 5.9-6.0 phi; Size fraction 17.948-16.746 µm, 5.8-5.9 phi; Size fraction 19.237-17.948 µm, 5.7-5.8 phi; Size fraction 2.093-1.953 µm, 8.9-9.0 phi; Size fraction 2.244-2.093 µm, 8.8-8.9 phi; Size fraction 2.405-2.244 µm, 8.7-8.8 phi; Size fraction 2.577-2.405 µm, 8.6-8.7 phi; Size fraction 2.762-2.577 µm, 8.5-8.6 phi; Size fraction 2.960-2.762 µm, 8.4-8.5 phi; Size fraction 20.617-19.237 µm, 5.6-5.7 phi; Size fraction 22.097-20.617 µm, 5.5-5.6 phi; Size fraction 23.683-22.097 µm, 5.4-5.5 phi; Size fraction 25.383-23.683 µm, 5.3-5.4 phi; Size fraction 27.205-25.383 µm, 5.2-5.3 phi; Size fraction 29.157-27.205 µm, 5.1-5.2 phi; Size fraction 3.173-2.960 µm, 8.3-8.4 phi; Size fraction 3.401-3.173 µm, 8.2-8.3 phi; Size fraction 3.645-3.401 µm, 8.1-8.2 phi; Size fraction 3.906-3.645 µm, 8.0-8.1 phi; Size fraction 31.250-29.157 µm, 5.0-5.1 phi; Size fraction 33.493-31.250 µm, 4.9-5.0 phi; Size fraction 35.897-33.493 µm, 4.8-4.9 phi; Size fraction 38.473-35.897 µm, 4.7-4.8 phi; Size fraction 4.187-3.906 µm, 7.9-8.0 phi; Size fraction 4.487-4.187 µm, 7.8-7.9 phi; Size fraction 4.809-4.487 µm, 7.7-7.8 phi; Size fraction 41.235-38.473 µm, 4.6-4.7 phi; Size fraction 44.194-41.235 µm, 4.5-4.6 phi; Size fraction 47.366-44.194 µm, 4.4-4.5 phi; Size fraction 5.154-4.809 µm, 7.6-7.7 phi; Size fraction 5.524-5.154 µm, 7.5-7.6 phi; Size fraction 5.921-5.524 µm, 7.4-7.5 phi; Size fraction 50.766-47.366 µm, 4.3-4.4 phi; Size fraction 54.409-50.766 µm, 4.2-4.3 phi; Size fraction 58.315-54.409 µm, 4.1-4.2 phi; Size fraction 6.346-5.921 µm, 7.3-7.4 phi; Size fraction 6.801-6.346 µm, 7.2-7.3 phi; Size fraction 62.500-58.315 µm, 4.0-4.1 phi; Size fraction 7.289-6.801 µm, 7.1-7.2 phi; Size fraction 7.813-7.289 µm, 7.0-7.1 phi; Size fraction 8.373-7.813 µm, 6.9-7.0 phi; Size fraction 8.974-8.373 µm, 6.8-6.9 phi; Size fraction 9.618-8.974 µm, 6.7-6.8 phi; SL
    Type: Dataset
    Format: text/tab-separated-values, 7050 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 98
    facet.materialart.
    Unknown
    Silt fraction analysis of sediment core PS1389-1 (2000)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-06-26
    Keywords: ANT-IV/3; Atka Bay; AWI_Paleo; DEPTH, sediment/rock; Giant box corer; GKG; Grain size, SEDIGRAPH 5000; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS08; PS08/367; PS1389-1; Size fraction 10.309-9.618 µm, 6.6-6.7 phi; Size fraction 11.049-10.309 µm, 6.5-6.6 phi; Size fraction 11.842-11.049 µm, 6.4-6.5 phi; Size fraction 12.691-11.842 µm, 6.3-6.4 phi; Size fraction 13.602-12.691 µm, 6.2-6.3 phi; Size fraction 14.579-13.602 µm, 6.1-6.2 phi; Size fraction 15.625-14.579 µm, 6.0-6.1 phi; Size fraction 16.746-15.625 µm, 5.9-6.0 phi; Size fraction 17.948-16.746 µm, 5.8-5.9 phi; Size fraction 19.237-17.948 µm, 5.7-5.8 phi; Size fraction 2.093-1.953 µm, 8.9-9.0 phi; Size fraction 2.244-2.093 µm, 8.8-8.9 phi; Size fraction 2.405-2.244 µm, 8.7-8.8 phi; Size fraction 2.577-2.405 µm, 8.6-8.7 phi; Size fraction 2.762-2.577 µm, 8.5-8.6 phi; Size fraction 2.960-2.762 µm, 8.4-8.5 phi; Size fraction 20.617-19.237 µm, 5.6-5.7 phi; Size fraction 22.097-20.617 µm, 5.5-5.6 phi; Size fraction 23.683-22.097 µm, 5.4-5.5 phi; Size fraction 25.383-23.683 µm, 5.3-5.4 phi; Size fraction 27.205-25.383 µm, 5.2-5.3 phi; Size fraction 29.157-27.205 µm, 5.1-5.2 phi; Size fraction 3.173-2.960 µm, 8.3-8.4 phi; Size fraction 3.401-3.173 µm, 8.2-8.3 phi; Size fraction 3.645-3.401 µm, 8.1-8.2 phi; Size fraction 3.906-3.645 µm, 8.0-8.1 phi; Size fraction 31.250-29.157 µm, 5.0-5.1 phi; Size fraction 33.493-31.250 µm, 4.9-5.0 phi; Size fraction 35.897-33.493 µm, 4.8-4.9 phi; Size fraction 38.473-35.897 µm, 4.7-4.8 phi; Size fraction 4.187-3.906 µm, 7.9-8.0 phi; Size fraction 4.487-4.187 µm, 7.8-7.9 phi; Size fraction 4.809-4.487 µm, 7.7-7.8 phi; Size fraction 41.235-38.473 µm, 4.6-4.7 phi; Size fraction 44.194-41.235 µm, 4.5-4.6 phi; Size fraction 47.366-44.194 µm, 4.4-4.5 phi; Size fraction 5.154-4.809 µm, 7.6-7.7 phi; Size fraction 5.524-5.154 µm, 7.5-7.6 phi; Size fraction 5.921-5.524 µm, 7.4-7.5 phi; Size fraction 50.766-47.366 µm, 4.3-4.4 phi; Size fraction 54.409-50.766 µm, 4.2-4.3 phi; Size fraction 58.315-54.409 µm, 4.1-4.2 phi; Size fraction 6.346-5.921 µm, 7.3-7.4 phi; Size fraction 6.801-6.346 µm, 7.2-7.3 phi; Size fraction 62.500-58.315 µm, 4.0-4.1 phi; Size fraction 7.289-6.801 µm, 7.1-7.2 phi; Size fraction 7.813-7.289 µm, 7.0-7.1 phi; Size fraction 8.373-7.813 µm, 6.9-7.0 phi; Size fraction 8.974-8.373 µm, 6.8-6.9 phi; Size fraction 9.618-8.974 µm, 6.7-6.8 phi
    Type: Dataset
    Format: text/tab-separated-values, 450 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
  • 99
    facet.materialart.
    Unknown
    Silt fraction analysis of sediment core PS1390-1 (2000)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-06-26
    Keywords: ANT-IV/3; Atka Bay; AWI_Paleo; DEPTH, sediment/rock; Giant box corer; GKG; Grain size, SEDIGRAPH 5000; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS08; PS08/368; PS1390-1; Size fraction 10.309-9.618 µm, 6.6-6.7 phi; Size fraction 11.049-10.309 µm, 6.5-6.6 phi; Size fraction 11.842-11.049 µm, 6.4-6.5 phi; Size fraction 12.691-11.842 µm, 6.3-6.4 phi; Size fraction 13.602-12.691 µm, 6.2-6.3 phi; Size fraction 14.579-13.602 µm, 6.1-6.2 phi; Size fraction 15.625-14.579 µm, 6.0-6.1 phi; Size fraction 16.746-15.625 µm, 5.9-6.0 phi; Size fraction 17.948-16.746 µm, 5.8-5.9 phi; Size fraction 19.237-17.948 µm, 5.7-5.8 phi; Size fraction 2.093-1.953 µm, 8.9-9.0 phi; Size fraction 2.244-2.093 µm, 8.8-8.9 phi; Size fraction 2.405-2.244 µm, 8.7-8.8 phi; Size fraction 2.577-2.405 µm, 8.6-8.7 phi; Size fraction 2.762-2.577 µm, 8.5-8.6 phi; Size fraction 2.960-2.762 µm, 8.4-8.5 phi; Size fraction 20.617-19.237 µm, 5.6-5.7 phi; Size fraction 22.097-20.617 µm, 5.5-5.6 phi; Size fraction 23.683-22.097 µm, 5.4-5.5 phi; Size fraction 25.383-23.683 µm, 5.3-5.4 phi; Size fraction 27.205-25.383 µm, 5.2-5.3 phi; Size fraction 29.157-27.205 µm, 5.1-5.2 phi; Size fraction 3.173-2.960 µm, 8.3-8.4 phi; Size fraction 3.401-3.173 µm, 8.2-8.3 phi; Size fraction 3.645-3.401 µm, 8.1-8.2 phi; Size fraction 3.906-3.645 µm, 8.0-8.1 phi; Size fraction 31.250-29.157 µm, 5.0-5.1 phi; Size fraction 33.493-31.250 µm, 4.9-5.0 phi; Size fraction 35.897-33.493 µm, 4.8-4.9 phi; Size fraction 38.473-35.897 µm, 4.7-4.8 phi; Size fraction 4.187-3.906 µm, 7.9-8.0 phi; Size fraction 4.487-4.187 µm, 7.8-7.9 phi; Size fraction 4.809-4.487 µm, 7.7-7.8 phi; Size fraction 41.235-38.473 µm, 4.6-4.7 phi; Size fraction 44.194-41.235 µm, 4.5-4.6 phi; Size fraction 47.366-44.194 µm, 4.4-4.5 phi; Size fraction 5.154-4.809 µm, 7.6-7.7 phi; Size fraction 5.524-5.154 µm, 7.5-7.6 phi; Size fraction 5.921-5.524 µm, 7.4-7.5 phi; Size fraction 50.766-47.366 µm, 4.3-4.4 phi; Size fraction 54.409-50.766 µm, 4.2-4.3 phi; Size fraction 58.315-54.409 µm, 4.1-4.2 phi; Size fraction 6.346-5.921 µm, 7.3-7.4 phi; Size fraction 6.801-6.346 µm, 7.2-7.3 phi; Size fraction 62.500-58.315 µm, 4.0-4.1 phi; Size fraction 7.289-6.801 µm, 7.1-7.2 phi; Size fraction 7.813-7.289 µm, 7.0-7.1 phi; Size fraction 8.373-7.813 µm, 6.9-7.0 phi; Size fraction 8.974-8.373 µm, 6.8-6.9 phi; Size fraction 9.618-8.974 µm, 6.7-6.8 phi
    Type: Dataset
    Format: text/tab-separated-values, 450 data points
    Location Call Number Expected Availability
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  • 100
    facet.materialart.
    Unknown
    Silt fraction analysis of sediment core PS1394-1 (2000)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-06-26
    Keywords: ANT-IV/3; Atka Bay; AWI_Paleo; DEPTH, sediment/rock; Giant box corer; GKG; Grain size, SEDIGRAPH 5000; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS08; PS08/374; PS1394-1; Size fraction 10.309-9.618 µm, 6.6-6.7 phi; Size fraction 11.049-10.309 µm, 6.5-6.6 phi; Size fraction 11.842-11.049 µm, 6.4-6.5 phi; Size fraction 12.691-11.842 µm, 6.3-6.4 phi; Size fraction 13.602-12.691 µm, 6.2-6.3 phi; Size fraction 14.579-13.602 µm, 6.1-6.2 phi; Size fraction 15.625-14.579 µm, 6.0-6.1 phi; Size fraction 16.746-15.625 µm, 5.9-6.0 phi; Size fraction 17.948-16.746 µm, 5.8-5.9 phi; Size fraction 19.237-17.948 µm, 5.7-5.8 phi; Size fraction 2.093-1.953 µm, 8.9-9.0 phi; Size fraction 2.244-2.093 µm, 8.8-8.9 phi; Size fraction 2.405-2.244 µm, 8.7-8.8 phi; Size fraction 2.577-2.405 µm, 8.6-8.7 phi; Size fraction 2.762-2.577 µm, 8.5-8.6 phi; Size fraction 2.960-2.762 µm, 8.4-8.5 phi; Size fraction 20.617-19.237 µm, 5.6-5.7 phi; Size fraction 22.097-20.617 µm, 5.5-5.6 phi; Size fraction 23.683-22.097 µm, 5.4-5.5 phi; Size fraction 25.383-23.683 µm, 5.3-5.4 phi; Size fraction 27.205-25.383 µm, 5.2-5.3 phi; Size fraction 29.157-27.205 µm, 5.1-5.2 phi; Size fraction 3.173-2.960 µm, 8.3-8.4 phi; Size fraction 3.401-3.173 µm, 8.2-8.3 phi; Size fraction 3.645-3.401 µm, 8.1-8.2 phi; Size fraction 3.906-3.645 µm, 8.0-8.1 phi; Size fraction 31.250-29.157 µm, 5.0-5.1 phi; Size fraction 33.493-31.250 µm, 4.9-5.0 phi; Size fraction 35.897-33.493 µm, 4.8-4.9 phi; Size fraction 38.473-35.897 µm, 4.7-4.8 phi; Size fraction 4.187-3.906 µm, 7.9-8.0 phi; Size fraction 4.487-4.187 µm, 7.8-7.9 phi; Size fraction 4.809-4.487 µm, 7.7-7.8 phi; Size fraction 41.235-38.473 µm, 4.6-4.7 phi; Size fraction 44.194-41.235 µm, 4.5-4.6 phi; Size fraction 47.366-44.194 µm, 4.4-4.5 phi; Size fraction 5.154-4.809 µm, 7.6-7.7 phi; Size fraction 5.524-5.154 µm, 7.5-7.6 phi; Size fraction 5.921-5.524 µm, 7.4-7.5 phi; Size fraction 50.766-47.366 µm, 4.3-4.4 phi; Size fraction 54.409-50.766 µm, 4.2-4.3 phi; Size fraction 58.315-54.409 µm, 4.1-4.2 phi; Size fraction 6.346-5.921 µm, 7.3-7.4 phi; Size fraction 6.801-6.346 µm, 7.2-7.3 phi; Size fraction 62.500-58.315 µm, 4.0-4.1 phi; Size fraction 7.289-6.801 µm, 7.1-7.2 phi; Size fraction 7.813-7.289 µm, 7.0-7.1 phi; Size fraction 8.373-7.813 µm, 6.9-7.0 phi; Size fraction 8.974-8.373 µm, 6.8-6.9 phi; Size fraction 9.618-8.974 µm, 6.7-6.8 phi
    Type: Dataset
    Format: text/tab-separated-values, 450 data points
    Location Call Number Expected Availability
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    DATA PANGAEA
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