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  • Data  (50,363)
  • 2020-2023  (343)
  • 2015-2019  (48,652)
  • 1980-1984  (1,368)
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Year
  • 1
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    Water temperature reconstructions based on paired Uk'37 and Tex86 records, and paired surface and subsurface Mg/Ca records (2016)
    PANGAEA
    In:  Supplement to: Ho, Sze Ling; Laepple, Thomas (2016): Flat meridional temperature gradient in the early Eocene in the subsurface rather than surface ocean. Nature Geoscience, https://doi.org/10.1038/ngeo2763
    Details
    Publication Date: 2024-07-01
    Description: This dataset contains the collection of available published paired Uk'37 and Tex86 records spanning multi-millennial to multi-million year time scales, as well as a collection of Mg/Ca-derived temperatures measured in parallel on surface and subsurface dwelling foraminifera, both used in the analyses of Ho and Laepple, Nature Geoscience 2016. As the signal-to-noise ratios of proxy-derived Holocene temperatures are relatively low, we selected records that contain at least the last deglaciation (oldest sample 〉18kyr BP).
    Keywords: 130-806; 138-850; 145-882; 161-977A; 165-999A; 175-1085; 184-1143; 184-1146; 184-1147; 202-1239; 202-1240; 202-1241; 202-1241C; 293G; 313; 64PE-174P13; 77; Alboran Sea; Arabian Sea; AUSCAN; AWI_PerDyn; Benguela Current, South Atlantic Ocean; CALYPSO; CALYPSO2; Calypso Corer; Calypso Corer II; Caribbean Sea; CD129; Charles Darwin; COMPCORE; Composite Core; DRILL; Drilling/drill rig; Eastern Mediterranean, Continental slope off Israel; Elevation of event; Equatorial East Pacific; Event label; GC; GeoB10038-4; GeoB12610-2; GeoB7702-3; GeoB7926-2; GeoB9528-3; GEOSCIENCES, MARMARCORE; Giant piston corer; GPC; Gravity corer; Gravity corer (Kiel type); Guaymas Basin; IMAGES III - IPHIS; IMAGES IV-IPHIS III; IMAGES VIII - MONA; IMAGES VII - WEPAMA; IMAGES XII - MARCO POLO; IMAGES XIV - MARCO POLO 2; Joides Resolution; KAL; Kasten corer; KL-74, AS-12; Latitude of event; Leg130; Leg138; Leg145; Leg161; Leg165; Leg175; Leg184; Leg202; Longitude of event; M52/2; M53/1; M65/1; M75/2; M75/2_97-2; Marion Dufresne (1995); MD012378; MD01-2378; MD012390; MD01-2390; MD01-2461; MD022515; MD02-2515; MD032607; MD03-2607; MD052904; MD05-2904; MD06-3067; MD104; MD106; MD111; MD122; MD123; MD126; MD131; MD147; MD155; MD96-2048; MD972146; MD97-2146; MD972151; MD97-2151; MD982195; MD98-2195; Meteor (1986); Method comment; Mindanao; NIOP-C2; NIOP-C2_905_PC; North Pacific Ocean; North-West African margin; PABESIA; PC; PEGASE; Pemba Channel; Permafrost Research (Periglacial Dynamics) @ AWI; Persistent Identifier; Piston corer; Professor Logachev; Reference/source; SL; SO184/1; SO18460; SO185; SO213/2; SO213/2_59-2; SO42; SO42-74KL; Sonne; SOPATRA; South China Sea; Southern Ocean; South Pacific Ocean; Species; SW Indian Ocean; Timor Sea; TTR-12_293G; TTR-12/3; Tyro; V12; V12-107; Vema; VITAL; Walvis Ridge; WIND; WIND-28K
    Type: Dataset
    Format: text/tab-separated-values, 159 data points
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  • 2
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    (Table 1) Average aluminium accumulation rate at 40 DSDP Sites for the time interval 0-10 Ma and relative rates for other time intervals (1982)
    PANGAEA
    Details
    Publication Date: 2024-07-01
    Description: A six-fold increase in the rate of accumulation of Al in north and central Atlantic and Pacific Ocean sediments indicates vastly increased denudation of the continents during the past 15 Ma. The increase is more apparent in hemipelagic than pelagic sites, demonstrating widely distributed local controls. Similarities in the rate of increase in the Atlantic and Pacific show that tectonic elevation is not responsible for the difference in sedimentation rate. Also, similarities in the difference at sites of low and high latitude suggest that glaciation is not the most significant source. A lack of correspondence between sedimentation rates and Vail's sea-level curve similarly rule out that effect. The conclusion drawn here is that worldwide climatic deterioration during the late Tertiary is the explanation for the striking increase in detrital sedimentation in the World ocean.
    Keywords: 10-94; 11-106; 12-116; 12-118; 12-119; 14-142; 15-149; 16-158; 18-173; 18-178; 19-183; 19-192; 21-206; 21-210; 22-213; 22-214; 22-218; 24-231; 24-236; 24-238; 25-241; 26-250; 28-266; 29-278; 30-289; 31-292; 31-296; 31-297; 32-310; 34-321; 38-338; 38-341; 39-354; 40-362; 41-366; 4-29; 4-30; 43-382; 5-34; 7-62; Accumulation rate, aluminium; Antarctic Ocean/BASIN; Antarctic Ocean/RIDGE; Caribbean Sea/BASIN; Caribbean Sea/RIDGE; Deep Sea Drilling Project; DRILL; Drilling/drill rig; DSDP; Event label; Glomar Challenger; Gulf of Mexico/SCARP; Indian Ocean//BASIN; Indian Ocean//FAN; Indian Ocean//FRACTURE ZONE; Indian Ocean//RIDGE; Indian Ocean/Gulf of Aden/BASIN; Latitude of event; Leg10; Leg11; Leg12; Leg14; Leg15; Leg16; Leg18; Leg19; Leg21; Leg22; Leg24; Leg25; Leg26; Leg28; Leg29; Leg30; Leg31; Leg32; Leg34; Leg38; Leg39; Leg4; Leg40; Leg41; Leg43; Leg5; Leg7; Longitude of event; North Atlantic/BASIN; North Atlantic/CONT RISE; North Atlantic/Norwegian Sea; North Atlantic/Norwegian Sea/PLATEAU; North Atlantic/PLAIN; North Atlantic/SEAMOUNT; North Pacific/CONT RISE; North Pacific/GUYOT; North Pacific/Philippine Sea/BASIN; North Pacific/Philippine Sea/CONT RISE; North Pacific/Philippine Sea/RIDGE; North Pacific/PLAIN; North Pacific/RIDGE; North Pacific/SLOPE; Number of observations; Ratio; South Atlantic/RIDGE; South Pacific/BASIN; South Pacific/Coral Sea/BASIN; South Pacific/PLATEAU; South Pacific/Tasman Sea/BASIN
    Type: Dataset
    Format: text/tab-separated-values, 303 data points
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  • 3
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    Geochemistry on sediments off NE Greenland (2015)
    PANGAEA
    In:  Supplement to: Notholt, Hanne (1998): Die Auswirkungen der NorthEastWater-Polynya auf die Sedimentation vor NO-Grönland und Untersuchungen zur Paläo-Ozeanographie seit dem Mittelweichsel (The Implication of the NorthEastWater-Polynya on the Sedimentation by NE-Greenland and Late Quaternary Paleo-oceanic Investigations). Berichte zur Polarforschung = Reports on Polar Research, 275, 183 pp, https://doi.org/10.2312/BzP_0275_1998
    Details
    Publication Date: 2024-07-01
    Description: Sedimentation and the early diagenetic processes have been studied in surface sediments from the NE-Greenland shelf and continental slope. I have used these data together with geochemical and sedimentological investigations from seven long sediment cores from the NE- and E-Greenland continental margin between 80' and 72' N for reconstructing the paleoenvironmental history of the East- Greenland-Current (ff).
    Keywords: Amdrup Land; Amdrups Land, Sophus Müllers Næs; ARK-IX/3; ARK-V/3b; AWI_Paleo; AWI_PerDyn; AWI Arctic Land Expedition; Germania Land; GIK21733-2 PS13/240; GIK21734-2 PS13/247; GIK21735-1 PS13/249; GL-Land_1993; Gravity corer (Kiel type); Greenland1993; HAND; Hertugen af Orleans Land; Holm Land; Holms Land, Eskimonæs; Holms Land, Mallemukfjeldet; Hovgaard Oe; Khatanga River; King Oskar Fjord; Kongsfjorden, Spitsbergen, Arctic; Kronprins Chr. Land, Dijmphna Sund; Lamberts Land; MUC; MultiCorer; Nakkehoved; Northeast Greenland; Notholt_A; Notholt_B; Notholt_C; Notholt_D; Notholt_E; Notholt_F; Notholt_H; Notholt_I; Notholt_J; Notholt_K; Notholt_L; Notholt_M; Notholt_N; Notholt_O; Notholt_P; Notholt_Q; Notholt_R; Notholt_S; Notholt_T; Notholt_U; Notholt_V; Notholt_W; Notholt_X; Ny-Ålesund, Spitsbergen; Ossiar Sarsfjellet; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Permafrost Research (Periglacial Dynamics) @ AWI; Polarstern; PS13 GRÖKORT; PS1733-2; PS1734-2; PS1735-1; PS2413-3; PS2415-4; PS2419-3; PS2419-4; PS2420-3; PS2422-2; PS2422-3; PS2423-3; PS2423-4; PS2424-1; PS2424-2; PS2425-3; PS2426-4; PS2427-3; PS2428-2; PS2429-4; PS2430-2; PS2432-3; PS2433-3; PS2434-3; PS2435-3; PS2437-3; PS2438-2; PS26/115; PS26/119; PS26/138; PS26/145; PS26/147; PS26/148; PS26/149; PS26/155; PS26/165; PS26/179; PS26/213; PS26/214; PS26/215; PS26/217; PS26/231; PS26/232; PS26/234; PS26/258; PS26/278; PS26 NEW; Quaternary Environment of the Eurasian North; QUEEN; Sampling by hand; SL
    Type: Dataset
    Format: application/zip, 33 datasets
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  • 4
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    Sedimentology on two profiles from eastern Fram Strait (2015)
    PANGAEA
    In:  Supplement to: Müller, Claudia (1995): Spätquartäre Sedimentationsprozesse in der östlichen Framstrasse. Diploma Thesis, Alfred Wegener Institute for Polar and Marine Research, Bremerhaven & Fachbereich Geowissenschaften, Westfälische Wilhelms-Universität zu Münster, 84 pp, hdl:10013/epic.32119.d001
    Details
    Publication Date: 2024-07-01
    Description: Detailed sedimentological and geochemical analyses were performed on sediments taken from two gravity cores (PS2118-2 and PS2121-4) and one surface sample (PS2121-2) from the eastern Fram Strait at 79°N to get informations about the paleoclimatic and paleoceanographic conditions through the last 35.000 years. The analyses comprise sand/silt/clay distribution, content of ice rafted debris, clay mineralogy, and measurements of carbonate, organic carbon, and nitrogen. The stratigraphy is based on oxygen isotope stages, 14C-dating, and correlation with other sediment cores from the eastern Fram Strait. The sediments from core PS2118-2 represent the time interval from middle isotope stage 3 to recent. The results can be summarized as follows: (1) During isotope stage 3 the Eastspitsbergen Current transports sediment-loaded icebergs in a seasonally open Fram Strait (SPIELHAGEN 1991). Because of a high content of smectite the source of these icebergs probably is Franz Josef Land. At the end of stage 3 HEBBELN (1991) supposes an influence of Atlantic water masses which might be connected with a maximum carbonate content. (2) At the beginning of isotope stage 2, a high content of ice-rafted debris as well as a high content of terrigenous organic carbon were recorded. This verifies the extension of the glaciers of Spitsbergen onto the continental shelf (HEBBELN 1991) and a maximum growth of the Barents Sea Icesheet (ELVERH01 et al., in press). During the last glacial maximum the high content of carbonate resulted from high aboundances of detrital fragments (limestone and dolomite) probably derived from Spitsbergen. The retreat of the glaciers at the end of stage 2 causes an increase in the content of ice rafted debris. At about 15.000 years B.P. a district melt-water signal appears and indicates the onset of deglaciation. This transition from the last glacial maximum to the recent interglacial (Termination I) is documented in decreasing values of d18O. (3) At least since the beginning of isotope stage 1 the inflow of warmer Atlantic water becomes important.
    Keywords: ARK-VIII/2; AWI_Paleo; Giant box corer; GKG; Gravity corer (Kiel type); Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS19/079; PS19/082; PS19 EPOS II; PS2118-2; PS2121-2; PS2121-4; Quaternary Environment of the Eurasian North; QUEEN; SL; Svalbard
    Type: Dataset
    Format: application/zip, 6 datasets
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  • 5
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    Diatom-bound N isotope records over the last two glacial cycles in sediment core PS75/072-4 (2015)
    PANGAEA
    In:  Supplement to: Studer, Anja S; Sigman, Daniel M; Martínez‐García, Alfredo; Benz, Verena; Winckler, Gisela; Kuhn, Gerhard; Esper, Oliver; Lamy, Frank; Jaccard, Samuel L; Wacker, Lukas; Oleynik, Sergey; Gersonde, Rainer; Haug, Gerald H (2015): Antarctic Zone nutrient conditions during the last two glacial cycles. Paleoceanography, 30(7), 845-862, https://doi.org/10.1002/2014PA002745
    Details
    Publication Date: 2024-07-01
    Description: In a sediment core from the Pacific sector of the Antarctic Zone (AZ) of the Southern Ocean, we report diatom-bound N isotope (d15Ndb) records for total recoverable diatoms and two distinct diatom assemblages (pennate and centric rich). These data indicate tight coupling between the degree of nitrate consumption and Antarctic climate across the last two glacial cycles, with d15Ndb (and thus the degree of nitrate consumption) increasing at each major Antarctic cooling event. Coupled with evidence from opal- and barium-based proxies for reduced export production during ice ages, the d15Ndb increases point to ice age reductions in the supply of deep ocean-sourced nitrate to the AZ surface. The two diatom assemblages and species abundance data indicate that the d15Ndb changes are not the result of changing species composition. The pennate and centric assemblage d15Ndb records indicate similar changes but with a significant decline in their difference during peak ice ages. A tentative seasonality-based interpretation of the centric-to-pennate d15Ndb difference suggests that late summer surface waters became nitrate free during the peak glacials.
    Keywords: ANT-XXVI/2; AWI_Paleo; Gravity corer (Kiel type); Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS75/072-4; PS75 BIPOMAC; SL; South Pacific Ocean
    Type: Dataset
    Format: application/zip, 5 datasets
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  • 6
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    Dust flux records from the Subarctic North Pacific (2015)
    PANGAEA
    In:  Supplement to: Serno, Sascha; Winckler, Gisela; Anderson, Robert F; Maier, Edith; Ren, Haojia Abby; Gersonde, Rainer; Haug, Gerald H (2015): Comparing dust flux records from the Subarctic North Pacific and Greenland: Implications for atmospheric transport to Greenland and for the application of dust as a chronostratigraphic tool. Paleoceanography, 30(6), 583-600, https://doi.org/10.1002/2014PA002748
    Details
    Publication Date: 2024-07-01
    Description: We present a new record of eolian dust flux to the western Subarctic North Pacific (SNP) covering the past 27000 years based on a core from the Detroit Seamount. Comparing the SNP dust record to the NGRIP ice core record shows significant differences in the amplitude of dust changes to the two regions during the last deglaciation, while the timing of abrupt changes is synchronous. If dust deposition in the SNP faithfully records its mobilization in East Asian source regions, then the difference in the relative amplitude must reflect climate-related changes in atmospheric dust transport to Greenland. Based on the synchronicity in the timing of dust changes in the SNP and Greenland, we tie abrupt deglacial transitions in the 230Th-normalized 4He flux record to corresponding transitions in the well-dated NGRIP dust flux record to provide a new chronostratigraphic technique for marine sediments from the SNP. Results from this technique are complemented by radiocarbon dating, which allows us to independently constrain radiocarbon paleoreservoir ages. We find paleoreservoir ages of 745 ± 140 yr at 11653 yr BP, 680 ± 228 yr at 14630 yr BP and 790 ± 498 yr at 23290 yr BP. Our reconstructed paleoreservoir ages are consistent with modern surface water reservoir ages in the western SNP. Good temporal synchronicity between eolian dust records from the Subantarctic Atlantic and equatorial Pacific and the ice core record from Antarctica supports the reliability of the proposed dust tuning method to be used more widely in other global ocean regions.
    Keywords: INOPEX; KAL; Kasten corer; North Pacific Ocean; SO202/1; SO202/1_07-6; Sonne
    Type: Dataset
    Format: application/zip, 2 datasets
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  • 7
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    Soil organic carbon storage and soil properties for 50 soil profiles in the Lena River Delta including land form description and map (2016)
    PANGAEA
    In:  Department of Physical Geography, University of Stockholm | Supplement to: Siewert, Matthias Benjamin; Hugelius, Gustaf; Heim, Birgit; Faucherre, Samuel (2016): Landscape controls and vertical variability of soil organic carbon storage in permafrost-affected soils of the Lena River Delta. CATENA, 147, 725-741, https://doi.org/10.1016/j.catena.2016.07.048
    Details
    Publication Date: 2024-07-01
    Description: To project the future development of the soil organic carbon (SOC) storage in permafrost environments, the spatial and vertical distribution of key soil properties and their landscape controls needs to be understood. This article reports findings from the Arctic Lena River Delta where we sampled 50 soil pedons. These were classified according to the U.S.D.A. Soil Taxonomy and fall mostly into the Gelisol soil order used for permafrost-affected soils. Soil profiles have been sampled for the active layer (mean depth 58 ± 10 cm) and the upper permafrost to one meter depth. We analyze SOC stocks and key soil properties, i.e. C%, N%, C/N, bulk density, visible ice and water content. These are compared for different landscape groupings of pedons according to geomorphology, soil and land cover and for different vertical depth increments. High vertical resolution plots are used to understand soil development. These show that SOC storage can be highly variable with depth. We recommend the treatment of permafrost-affected soils according to subdivisions into: the surface organic layer, mineral subsoil in the active layer, organic enriched cryoturbated or buried horizons and the mineral subsoil in the permafrost. The major geomorphological units of a subregion of the Lena River Delta were mapped with a land form classification using a data-fusion approach of optical satellite imagery and digital elevation data to upscale SOC storage. Landscape mean SOC storage is estimated to 19.2 ± 2.0 kg C/m**2. Our results show that the geomorphological setting explains more soil variability than soil taxonomy classes or vegetation cover. The soils from the oldest, Pleistocene aged, unit of the delta store the highest amount of SOC per m2 followed by the Holocene river terrace. The Pleistocene terrace affected by thermal-degradation, the recent floodplain and bare alluvial sediments store considerably less SOC in descending order.
    Keywords: Changing Permafrost in the Arctic and its Global Effects in the 21st Century; PAGE21
    Type: Dataset
    Format: application/zip, 2 datasets
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  • 8
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    Compilation of scientific results of the EU project BENGAL (2016)
    PANGAEA
    Details
    Publication Date: 2024-07-01
    Description: This data collection presents the compilation of scientific results of the EU project BENGAL.
    Keywords: 12812-002; 12913-002; 12914-003; 12923-002; 12923-005; 12923-013; 12925-004; 12925-008; 12926-001; 12926-002; 12930-004; 12930-005; 12930-006; 12930-007; 12930-010; 12930-014; 12930-015; 12930-017; 12930-018; 12930-022; 12930-023; 12930-025; 12930-026; 12930-027; 12930-028; 12930-029; 12930-032; 12930-034; 12930-035; 12930-036; 12930-037; 12930-038; 12930-039; 12930-040; 12930-044; 12930-045; 12930-046; 12930-048; 12930-049; 12930-052; 12930-055; 12930-059; 12930-061; 12930-063; 12930-064; 12930-065; 12930-066; 12930-068; 12930-071; 12930-073; 12930-075; 12930-078; 12930-081; 12930-082; 12930-084; 12930-087; 12930-093; 12930-095; 13077-001; 13077-004; 13077-006; 13077-012; 13077-014; 13077-015; 13077-018; 13077-019; 13077-021; 13077-023; 13077-024; 13077-025; 13077-026; 13077-035; 13077-036; 13077-047; 13077-057; 13077-058; 13077-059; 13077-060; 13077-062; 13077-063; 13077-065; 13077-069; 13077-070; 13077-071; 13077-072; 13077-078; 13077-087; 13077-089; 13077-090; 13077-093; 13077-096; 13077-097; 13077-098; 13077-099; 13078-006; 13078-008; 13078-010; 13078-011; 13078-012; 13078-013; 13078-015; 13078-016; 13078-017; 13078-018; 13078-019; 13078-027; 13078-029; 13078-031; 13078-037; 13078-038; 13200-001; 13200-004; 13200-005; 13200-007; 13200-008; 13200-009; 13200-010; 13200-011; 13200-012; 13200-016; 13200-017; 13200-018; 13200-020; 13200-021; 13200-022; 13200-024; 13200-025; 13200-026; 13200-027; 13200-028; 13200-029; 13200-030; 13200-032; 13200-033; 13200-035; 13200-036; 13200-039; 13200-041; 13200-045; 13200-046; 13200-047; 13200-048; 13200-049; 13200-051; 13200-052; 13200-053; 13200-058; 13200-059; 13200-060; 13200-061; 13200-062; 13200-063; 13200-065; 13200-068; 13200-069; 13200-070; 13200-071; 13200-073; 13200-074; 13200-075; 13200-077; 13200-078; 13200-080; 13200-081; 13200-082; 13200-083; 13200-084; 13200-087; 13200-089; 13200-090; 13200-091; 13200-093; 13200-094; 13200-096; 13200-099; 13201-001; 13201-002; 13201-005; 13368-003; 13368-004; 13368-007; 13368-008; 13368-012; 13368-014; 13368-015; 13368-019; 13368-022; 13368-023; 13368-024; 13368-025; 13368-026; 13368-028; 13368-030; 13368-036; 13368-039; 13368-040; 13368-042; 13368-044; 13368-045; 13368-047; 13368-048; 13368-049; 13368-051; 13368-052; 13368-053; 13368-055; 13368-056; 13368-057; 13370-004; 13370-005; 13370-006; 13627-005; 13627-008; 13627-010; 13627-011; 13627-012; 13627-014; 13627-015; 13627-017; 13627-022; 13627-023; 13627-024; 269; 356; 362; 372; 373; 54301-002; 54301-003; 54301-005; 54301-008; 54301-009; 54301-010; 54301-012; 54301-014; 54301-016; 54301-019; 54301-021; 54301-023; 64PE123; ALBEX lander; Autonome colonisation module; Baited free-fall benthic amphipod trap; BC; Bengal; BENGAL; Benthic Biology and Geochemistry of a North-eastern Atlantic Abyssal Locality; BIO; Biology; BN; Bottom net; Bottom water sampler; Box corer; BWS; CH135; Challenger; Chalut à perche (6 m beam trawl); CMA; CP; CTD/Rosette; CTD-RO; Current meter, Aanderaa; D217; D222/1; D222/2; D226; D229; D231; D236; D237; DEMAR; DI236_08-1; DI236_11-1; DI236_16-1; DI236_18-1; DI236_21-1; DI236_23-1; DI236_25-1; DI236_28-1; DI236_29-1; DI236_31-1; DI236_34-1; DI236_42-1; DI236_45-1; DI236_49-1; Discovery (1962); D-MOC-01; D-MOC-02; D-MOC-03; D-MOC-04; D-MOC-07; Dy222_FFR-05; FFR; FFR-01; FFR-02; FFR-04; Free vehicle respirometer; FT-04; FTS; GBGL; GBGL-01; GBGL-02; Göteborg lander; IMBC; IMBC lander; KASTEN; Kasten corer (1 m**2); M36/4; M36/4_MC1; M36/4_MC4; M36/4_MC5; M36/5; M36/5_MC26; M36/5_MC27; M36/5_MC28; M36/6; M36/6_368FFR; M36/6_371BWS; M36/6_372MUC; M36/6_373MUC; M36/6_375MSN; M36/6_380MSN; M36/6_381BWS; M36/6_BWS-19; M36/6_BWS-20; M36/6_MC33; M36/6_MC38; M36/6_MC41; M42/2; M42/2_363-1; M42/2_365; M42/2_366; M42/2_367; M42/2_368-2; M42/2_368-3; M42/2_370; M42/2_373; M42/2_374-2; M42/2_374-3; M42/2_377-1; M42/2_377-5; M42/2_377-6; M42/2_380-2; M42/2_380-3; M42/2_380-4; M42/2_381; M42/2_384-1; M42/2_385; M42/2_386; M42/2_388-1; M42/2_388-2; M42/2_391-2; M42/2_397-1; M42/2_397-3; M42/2_417; M42/2_418; M42/2_419; M42/2_420; M42/2_421-2; M42/2_421-3; M42/2_421-5; M42/2_422; M42/2_424-1; M42/2_424-2; M42/2_424-4; M42/2_425; M42/2_426-2; M42/2_429-1; M42/2_429-2; M42/2_430; M42/2_432-1; M42/2_433; M42/2_434-1; M42/2_434-2; M42/2_436; M42/2_438; M42/2_BWS-01; M42/2_BWS-02; M42/2_BWS-04; M42/2_BWS-05; M42/2_BWS-09; M42/2_BWS-10; M42/2_BWS-12; M42/2_CTD-03; M42/2_CTD-05; M42/2_CTD-06; M42/2_CTD-07; M42/2_CTD-08; M42/2_CTD-09; M42/2_CTD-13; M42/2_CTD-22; M42/2_CTD-24; M42/2_CTD-25; M42/2_CTD-28; M42/2_CTD-29; M42/2_CTD-31; M42/2_MC-04; M42/2_MC-09; M42/2_MC1; M42/2_MC2; M42/2_MC27; M42/2_MC28; M42/2_MC29; M42/2_MC-30; M42/2_MC31; M42/2_MC-32; M42/2_MC34; M42/2_MC-34; M42/2_MC4; M42/2_MC5; M42/2_MC6; M42/2_MC7; M42/2_MC8; MACOL; MCB57; MCB57-74; MCB92; MCS; MEGAC; MegaCorer; Meteor (1986); MOC; MOC1; MOCNESS opening/closing plankton net; MOCNESS opening/closing plankton net 1 sqm; MSN; MUC; MULT; MultiCorer; MultiCorer, small; MultiCorer Barnett pattern (12-57); MultiCorer Barnett pattern (4-57.8-74); MultiCorer Barnett pattern (8-92); Multiple investigations; Multiple opening/closing net; NIOZL; OTSB14; PAP; PAP-XIX; PAP-XV; PAP-XVIII; PAP-XX; PAP-XXIIIa; Pelagia; Photo sledge; PLG123; PLG123/12-1; PLG123/13-2; PLG123/13-3; PLG123/13-5; PLG123/13-6; PLG123/13-7; PLG123/14-1; Porcupine Abyssal Plain; RESP; Respirometer; RK127; RK128; RK130; SAPS; Sediment profile imagery; Semi-balloon trawl; SEP; South Atlantic Ocean; Spade box corer; Stand-alone pumps; Trap, sediment; TRAPS; VEGBOXC; Vertical amphipod trap; VET
    Type: Dataset
    Format: application/zip, 515 datasets
    Location Call Number Expected Availability
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  • 9
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    Unknown
    High-resolution sea surface temperature and surface seawater oxygen isotope composition reconstructions for sediment core GIK18515-3 (2016)
    PANGAEA
    In:  Supplement to: Schröder, Jan F; Holbourn, Ann E; Kuhnt, Wolfgang; Küssner, Kevin (2016): Variations in sea surface hydrology in the southern Makassar Strait over the past 26 kyr. Quaternary Science Reviews, 154, 143-156, https://doi.org/10.1016/j.quascirev.2016.10.018
    Details
    Publication Date: 2024-07-01
    Description: We present centennial-scale records of sea surface temperature and oxygen isotopes in a sediment core from Mandar Bay, offshore Sulawesi in the southern Makassar Strait, which provide new insights into the variability of Indonesian climate over the past 26 kyr. The age model for the core is constrained by 17 AMS radiocarbon ages, with a surface ocean reservoir age correction based on paired wood and foraminiferal samples. Small Holocene reservoir ages of 105 ± 180 years point to intense surface ocean-atmosphere interchange linked to increased monsoonal precipitation, whereas Last Glacial Maximum and deglacial reservoir ages are significantly higher. Mg/Ca derived sea surface temperature reconstructions based on Globigerinoides ruber (s. s., white) exhibit an extended plateau during the Antarctic Cold Reversal, suggesting an atmospheric connection to high-latitude Southern Hemisphere climate and a seasonal bias on G. ruber. This is in agreement with southern hemisphere sites along the track of the Indonesian Throughflow and in contrast to Northern Hemisphere records from the South China Sea, Sulu Sea and Western Pacific (off Mindanao), which exhibit warming during the Bølling-Allerød. Ice-volume corrected d18O seawater (d18Osw) increased during Heinrich Stadial 1 and the Younger Dryas, whereas the Bølling-Allerød is characterized by low d18Osw. We attribute d18Osw variability in the southern Makassar Strait during the Last Glacial Maximum and glacial termination to changes in provenance and seasonality of precipitation rather than to variability in the amount of local precipitation and runoff.
    Keywords: GIK/IfG; GIK18515-3; Institute for Geosciences, Christian Albrechts University, Kiel; KL; MAJA; Makasar Strait; Piston corer (BGR type); SO217; SO217_2-3; Sonne
    Type: Dataset
    Format: application/zip, 2 datasets
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  • 10
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    Unknown
    Physical properties of sediment cores from the Arctic Ocean (2017)
    PANGAEA
    In:  Supplement to: Bergmann, Uwe (1996): Interpretation digitaler Parasound Echolotaufzeichnungen im östlichen Arktischen Ozean auf der Grundlage physikalischer Sedimenteigenschaften (Interpretation of digital Parasound echosounder records of the eastern Arctic Ocean on the basis of sediment physical properties). Berichte zur Polarforschung = Reports on Polar Research, 183, 164 pp, https://doi.org/10.2312/BzP_0183_1996
    Details
    Publication Date: 2024-07-01
    Description: Sediments of the Arctic Ocean are recorders of oceanographic and climatic evolution in the northern hemisphere, The sedimentary history is reflected in the sediment physical properties, thus knowledge about them is a key to its Interpretation particularly within the Quaternary. In this study, 29 sediment cores from the eastern Arctic Ocean were investigated On porosity, wet bulk density and ten cores on compressional (P-) wave velocity. Analysis of these parameters permits interpretations about the sedimentary conditions in the Amundsen and Makarov Basins and on the Lomonosov Ridge, Yermak Plateau and Morris Jesup Rise. The distribution of 25 sediment cores throughout abyssal hill and abyssal plain locations of the eastern Arctic Ocean show specific distribution patterns of wet bulk densities and porosities which characterize the sedimentary regions. On the Yermak Plateau undisturbed pelagic sedimentation predominates. The Lomonosov Ridge and the Morris Jesup Rise are characterized by winnowing. On the Gakkel Ridge turbidite and ice transported deposits are dominant. With the exception of turbidite layers in the Amundsen Basin and ice transported sandy layers in the Makarov Basin, sediments of these basins are dominated by fine-grained sediment. ff...
    Keywords: Amundsen Basin; ARK-VIII/3; AWI_Paleo; Gakkel Ridge, Arctic Ocean; Giant piston corer; GPC; Gravity corer (Kiel type); KAL; Kasten corer; Lomonosov Ridge, Arctic Ocean; Makarov Basin; Morris Jesup Rise; Nansen Basin; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Polarstern; PS19/150; PS19/152; PS19/157; PS19/158; PS19/159; PS19/160; PS19/161; PS19/164; PS19/165; PS19/166; PS19/167; PS19/168; PS19/171; PS19/172; PS19/173; PS19/175; PS19/176; PS19/181; PS19/186; PS19/190; PS19/192; PS19/194; PS19/206; PS19/212; PS19/218; PS19/222; PS19/228; PS19/234; PS19/245; PS19/246; PS19 ARCTIC91; PS2157-5; PS2157-6; PS2159-6; PS2163-3; PS2164-6; PS2165-1; PS2165-4; PS2166-3; PS2167-1; PS2168-2; PS2169-1; PS2170-3; PS2171-4; PS2172-4; PS2173-1; PS2174-3; PS2174-5; PS2175-5; PS2176-1; PS2176-3; PS2177-5; PS2177-6; PS2178-3; PS2178-5; PS2180-2; PS2185-6; PS2185-7; PS2187-3; PS2187-4; PS2189-5; PS2190-1; PS2190-4; PS2195-3; PS2197-1; PS2197-4; PS2200-5; PS2200-6; PS2202-7; PS2206-1; PS2208-2; PS2212-3; PS2213-6; Quaternary Environment of the Eurasian North; QUEEN; SL; Svalbard; Yermak Plateau
    Type: Dataset
    Format: application/zip, 52 datasets
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