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  • 1
    Series available for loan
    Series available for loan
    Sedimente im arktischen Meereis : Eintrag, Charakterisierung und Quantifizierung (1998)
    Bremerhaven : Alfred-Wegener-Inst. für Polar- und Meeresforschung
    Associated volumes
    Details Availability
    Call number: ZSP-168-283
    In: Berichte zur Polarforschung
    Type of Medium: Series available for loan
    Pages: 115 S. : Abb. ; 24 cm
    ISSN: 0176-5027
    Series Statement: Berichte zur Polarforschung 283
    URL: http://hdl.handle.net/10013/epic.10286
    Language: German
    Location: AWI Reading room
    Branch Library: AWI Library
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  • 2
    Monograph available for loan
    Monograph available for loan
    Sonographische und sedimentologische Untersuchungen in der Laptevsee, sibirische Arktis (1994)
    Kiel
    Details Availability
    Call number: AWI G3-98-0246
    Type of Medium: Monograph available for loan
    Pages: II., 75 S. : Ill.
    Note: Kiel, Univ., Dipl.-Arb., 1994
    Branch Library: AWI Library
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  • 3
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    Analysis of sediment samples from Arctic sea ice (1998)
    PANGAEA
    Details
    Publication Date: 2024-01-24
    Keywords: 201; 205b; 208; 209; 210; 219; 221; 228a; 228b; 229; 230; 232b; 234; 237; 239; 240; 241; 242; 246; 283-1; 283-4; 285-1; 286-1; 287-1; 287-2; 288-2; 288-4; 290-1; 291-1; 291-3; 292-1; 292-2; 293-1; 293-2; 293-3; 293-4; 293-5; 293-6; 293-7; 294-1; 294-2; 294-3; 294-4; 294-6; 295-1; 295-2; 295-3; 295-4; 295-5; 295-6; 296-1; 296-2; 296-5; 296-6; Alginite; Arctic Ocean; ARK-XI/1; ARK-XI/1_201; ARK-XI/1_205b; ARK-XI/1_208; ARK-XI/1_209; ARK-XI/1_210; ARK-XI/1_219; ARK-XI/1_221; ARK-XI/1_228a; ARK-XI/1_228b; ARK-XI/1_229; ARK-XI/1_230; ARK-XI/1_232b; ARK-XI/1_234; ARK-XI/1_237; ARK-XI/1_239; ARK-XI/1_240; ARK-XI/1_241; ARK-XI/1_242; ARK-XI/1_246; Carbon, organic, particulate; Carbon dioxide yield, S3 per unit sediment mass; Chlorite; Coal clasts or fragments; Coke; Depth, bottom/max; DEPTH, ice/snow; Depth, top/min; Detrinite; East Siberian Sea; Element analyser CNS, Carlo Erba NA1500; Event label; Fluorescent microscope; GEOMAR; Helmholtz Centre for Ocean Research Kiel; Huminite; Hydrocarbon yield, S1 per unit sediment mass; Hydrocarbon yield, S2 per unit sediment mass; Hydrogen index, mass HC, per unit mass total organic carbon; ICE; Ice station; Illite; Illite 5Å/10Å Esquevin-index; Kaolinite; Kapitan Dranitsyn; Laptev Sea; Latitude of event; Liptinite; Liptinite, marine; Liptodetrinite; Longitude of event; Maceral, marine; Maceral, terrigenous; Polarstern; PS36; Pyrolysis temperature maximum; Quaternary Environment of the Eurasian North; QUEEN; Resinite; Rock eval pyrolysis (Behar et al., 2001); Sea ice thickness; Sea ice type; Sediment and debris content; Smectite; TDIII_283-1; TDIII_283-4; TDIII_285-1; TDIII_286-1; TDIII_287-1; TDIII_287-2; TDIII_288-2; TDIII_288-4; TDIII_290-1; TDIII_291-1; TDIII_291-3; TDIII_292-1; TDIII_292-2; TDIII_293-1; TDIII_293-2; TDIII_293-3; TDIII_293-4; TDIII_293-5; TDIII_293-6; TDIII_293-7; TDIII_294-1; TDIII_294-2; TDIII_294-3; TDIII_294-4; TDIII_294-6; TDIII_295-1; TDIII_295-2; TDIII_295-3; TDIII_295-4; TDIII_295-5; TDIII_295-6; TDIII_296-1; TDIII_296-2; TDIII_296-5; TDIII_296-6; Transdrift-III; Visual description; X-ray diffraction TEXTUR, clay fraction
    Type: Dataset
    Format: text/tab-separated-values, 1466 data points
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  • 4
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    Vitrinite reflection of sediment, sampled from the surface of Arctic sea ice (1998)
    PANGAEA
    Details
    Publication Date: 2024-01-24
    Keywords: 283-1; 286-1; 294-1; 295-3; DEPTH, ice/snow; Event label; Fluorescent microscope; GEOMAR; Helmholtz Centre for Ocean Research Kiel; ICE; Ice station; Kapitan Dranitsyn; Laptev Sea; Latitude of event; Longitude of event; Quaternary Environment of the Eurasian North; QUEEN; TDIII_283-1; TDIII_286-1; TDIII_294-1; TDIII_295-3; Transdrift-III; Vitrinite reflection
    Type: Dataset
    Format: text/tab-separated-values, 154 data points
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  • 5
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    Sediments in arctic sea ice - entrainment, characterization and quantification (1998)
    PANGAEA
    In:  Supplement to: Lindemann, Frank (1998): Sedimente im arktischen Meereis - Eintrag, Charakterisierung und Quantifizierung (Sediments in arctic sea ice - entrainment, characterization and quantification). Berichte zur Polarforschung = Reports on Polar Research, 283, 124 pp, https://doi.org/10.2312/BzP_0283_1998
    Details
    Publication Date: 2024-01-24
    Description: Sediments in Arctic sea ice are important for erosion and redistribution and consequently a factor for the sediment budget of the Arctic Ocean. The processes leading to the incorporation of sediments into the ice are not understood in detail yet. In the present study, experiments on the incorporation of sediments were therefore conducted in ice tanks of The Hamburg Ship Model Basin (HSVA) in winter 1996/1997, These experiments showed that on average 75 % of the artificial sea-ice sediments were located in the brine-channel system. The sediments were scavenged from the water column by frazil ice. Sediments functioning as a nucleus for the formation of frazil ice were less important for the incorporation. Filtration in grease ice during relatively calm hydrodynamic conditions was probably an effective process to enrich sediments in the ice. Wave fields did not play an important role for the incorporation of sediments into the artificial sea ice. During the expedition TRANSDRIFT III (TDIII, October 1995), different types of natural, newly-formed sea ice (grease ice, nilas and young ice) were sampled in the inner Laptev Sea at the time of freeze-up. The incorporation of sediments took place during calm meteorological conditions then. The characteristics of the clay mineral assemblages of these sedirnents served as references for sea-ice sediments which were sampled from first-year drift ice in the outer Laptev Sea and the adjacent Arctic Ocean during the POLARSTERN expedition ARK-XI/1 (July-September 1995). Based on the clay mineral assemblages, probable incorporation areas for the sedirnents in first-year drift ice could be statistically reconstructed in the inner Laptev Sea (eastern, central, and Western Laptev Sea) as well as in adjacent regions. Comparing the amounts of particulate organic carbon (POC) in sea-ice sediments and in surface sediments from the shelves of potential incorporation areas often reveals higher values in sea-ice sediments (TDIII: 3.6 %DM; ARK-XI/1: 2.3 %DM). This enrichment of POC is probably due to the incorporation process into the sea ice, as could be deducted from maceral analysis and Rock-Eval pyrolysis. Both methods were applied in the present study to particulate organic material (POM) from sea-ice sediments for the first time. It was shown that the POM of the sea-ice sediments from the Laptev Sea and the adjacent Arctic Ocean was dominated by reworked, strongly fragmented, allochthonous (terrigenous) material. This terrigenous component accounted for more than 75 % of all counted macerals. The autochthonous (marine) component was also strongly fragmented, and higher in the sediments from newly-formed sea ice (24 % of all counted macerals) as compared to first-year drift ice (17 % of all counted macerals). Average hydroge indices confirmed this pattern and were in the transition zone between kerogen types II and III (TDIII: 275 mg KW/g POC; ARK-XI/1: 200 mg KW/g POC). The sediment loads quantified in natural sea ice (TDIII: 33.6 mg/l, ARK-XI/1: 49.0 mg/l) indicated that sea-ice sediments are an important factor for the sediment budget in the Laptev Sea. In particular during the incorporation phase in autumn and early winter, about 12 % of the sediment load imported annually by rivers into the Laptev Sea can be incorporated into sea ice and redistributed during calm meteorological conditions. Single entrainment events can incorporate about 35 % of the river input into the sea ice (ca. 9 x 10**6 t) and export it via the Transpolar Drift from the Eurasian shelf to the Fram Strait.
    Keywords: 201; 205b; 208; 209; 210; 219; 221; 228a; 228b; 229; 230; 232b; 234; 237; 239; 240; 241; 242; 246; 283-1; 283-4; 285-1; 286-1; 287-1; 287-2; 288-2; 288-4; 290-1; 291-1; 291-3; 292-1; 292-2; 293-1; 293-2; 293-3; 293-4; 293-5; 293-6; 293-7; 294-1; 294-2; 294-3; 294-4; 294-6; 295-1; 295-2; 295-3; 295-4; 295-5; 295-6; 296-1; 296-2; 296-5; 296-6; Arctic Ocean; ARK-XI/1; ARK-XI/1_201; ARK-XI/1_205b; ARK-XI/1_208; ARK-XI/1_209; ARK-XI/1_210; ARK-XI/1_219; ARK-XI/1_221; ARK-XI/1_228a; ARK-XI/1_228b; ARK-XI/1_229; ARK-XI/1_230; ARK-XI/1_232b; ARK-XI/1_234; ARK-XI/1_237; ARK-XI/1_239; ARK-XI/1_240; ARK-XI/1_241; ARK-XI/1_242; ARK-XI/1_246; East Siberian Sea; ICE; Ice station; Kapitan Dranitsyn; Laptev Sea; Polarstern; PS36; Quaternary Environment of the Eurasian North; QUEEN; TDIII_283-1; TDIII_283-4; TDIII_285-1; TDIII_286-1; TDIII_287-1; TDIII_287-2; TDIII_288-2; TDIII_288-4; TDIII_290-1; TDIII_291-1; TDIII_291-3; TDIII_292-1; TDIII_292-2; TDIII_293-1; TDIII_293-2; TDIII_293-3; TDIII_293-4; TDIII_293-5; TDIII_293-6; TDIII_293-7; TDIII_294-1; TDIII_294-2; TDIII_294-3; TDIII_294-4; TDIII_294-6; TDIII_295-1; TDIII_295-2; TDIII_295-3; TDIII_295-4; TDIII_295-5; TDIII_295-6; TDIII_296-1; TDIII_296-2; TDIII_296-5; TDIII_296-6; Transdrift-III
    Type: Dataset
    Format: application/zip, 2 datasets
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  • 6
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    Carbon analysis of surface sediments from the Laptev Se (2001)
    PANGAEA
    In:  Supplement to: Fahl, Kirsten; Cremer, Holger; Erlenkeuser, Helmut; Hanssen, Hinrich; Hölemann, Jens A; Kassens, Heidemarie; Knickmeier, Karin; Kosobokova, Ksenia N; Kunz-Pirrung, Martina; Lindemann, Frank; Markhaseva, Elena; Lischka, Silke; Petryashov, Victor; Piepenburg, Dieter; Schmid, Michael K; Spindler, Michael; Stein, Ruediger; Tuschling, Kirsten (2001): Sources and pathways of organic carbon in the modern Laptev Sea (Arctic Ocean): implications from biological, geochemical and geological data. Polarforschung, 69, 193-205, hdl:10013/epic.29844.d001
    Details
    Publication Date: 2024-04-16
    Description: During the past six years organic geochemical, micropaleontological, and sedimentological investigations were carried out within the framework of the multidisciplinary bilateral German-Russian research project ''System Laptev Sea'' and detailed biological investigations within the project ''German-Russian Investigations of the Marginal Seas of the Eurasian Arctic'', In order to understand the Laptev Sea ecosystem and to obtain information about sources and fate of organic carbon, the distribution of phyto- and zooplankton, diatoms, chlorophyll a benthic macrofauna, palynomorphs, grain size, total organic carbon, d13Corg and biomarkers (n-alkanes, fatty acids) were determined. In general, the influence of the major rivers draining into the Laptev Sea, is reflected in the water column as well as in the surface sediments. In both habitats three ecological provinces can be distinguished, i.e., the southeastern Laptev Sea, the central Laptev Sea, and the northern Laptev Sea. Additionally, clear differences between the western and the eastern Laptev Sea occur. The comparison of the different data sets of the water column and the surface sediments provide information about organic carbon sources and pathways in the Laptev Sea shelf and continental slope area.
    Keywords: AWI_Paleo; BCR; Box corer (Reineck); Carbon, organic, total; CTD/Rosette; CTD-RO; DEPTH, sediment/rock; Element analyser CHN, LECO CNS 2000; Elevation of event; Event label; GEOMAR; Giant box corer; GKG; Grab; GRAB; Helmholtz Centre for Ocean Research Kiel; IK9301-6; IK9306-6; IK9309-4; IK9313-6; IK9315-1; IK9316-6; IK9318-3; IK9320-1; IK9321-5; IK9323-6; IK9324-4; IK9330-2; IK9334-7; IK9338-5; IK9340-6; IK9342-6; IK9344-8; IK9346-4; IK9348-6; IK9353-9; IK9356-2; IK9358-5; IK9365-6; IK9367-2; IK9370-12; IK9371-1; IK9373-8; IK9373A-6; IK9382-6; IK9384-1; IK93K1-1; IK93K2-1; IK93Z3-3; IK93Z4-4; IK93Z5-3; Isotope ratio mass spectrometry; Ivan Kireyev; Kapitan Dranitsyn; KD9502-12; KD9509-6; KD9510-3; KD9517-3; KD9523-7; KD9529-11; KD9533-10; KD9541-12; KD9548-11; KD9555-10; KD9560-5; KD9561-3; KD9565-11; KD9568-7; KD9572-1; Laptev Sea; LATITUDE; Lena Nordenskøld Station; LN9604-8; LN9604-9; LN9605-8; LN9605-9; LN9606-10; LN9606-9; LN9608-12; LN9609-14; LN9610-11; LN9611-12; LN9612-8; LN9613-8; LN9614-7; LN9615-5; LN9616-7; LN9617-8; LN9618-8; LN9619-9; LN9620-12; LN9621-11; LN9622-8; LN9623-10; LN9624-10; LN9625-10; LONGITUDE; Paleoenvironmental Reconstructions from Marine Sediments @ AWI; Photo/Video; PM9402-3; PM9417-4; PM9441-4; PM9442-3; PM9462-1; PM9463-8; PM9475-3; PM9481-2; PM9482-1; PM9492-3; PM9494-5; PM9499-1; Professor Multanovskiy; PV; Quaternary Environment of the Eurasian North; QUEEN; Siberian River Run-Off; SIRRO; Transdrift-I; Transdrift-II; Transdrift-III; Transdrift-IV; van Veen Grab; VGRAB; δ13C, organic carbon
    Type: Dataset
    Format: text/tab-separated-values, 170 data points
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  • 7
    Electronic Resource
    Electronic Resource
    Video observations of the underside of arctic sea ice-features and morphology on medium and small scales (1997)
    Oxford, UK : Blackwell Publishing Ltd
    Polar research 16 (1997), S. 0 
    Details
    ISSN: 1751-8369
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geography , Geosciences
    Notes: Morphological structures and the occurrence of sea-ice sediments and ice-related algae at the ice floe-water column interface were studied by video observations in summer 1995. Recordings at twelve stations in the northern Laptev Sea and the adjacent Arctic Ocean showed large variations. On a medium-scale (metres), level ice and deformed floes as well as whole rafted and stacked floes were found. At the underside of floes, small-scale structures (centimetres such as bulges, depressions and holes were observed. The surface and sides of rafted floes sometimes had downward running grooves. Sediment inclusions occurred in diffuse or concentrated forms as well as in parallel streaks. Ice-related algae were visible as green areas at the underside of floes or as threads haniging into the water column. The distribution of sediments and algae was patchy. Some processes which might lead to the observed structures are suggested.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1751-8369.1997.tb00725.x
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    Paper (German National Licenses)
    Fulltext
  • 8
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    Common principles and best practices for engineering microbiomes (2019)
    Springer Nature
    Details
    Publication Date: 2019
    Print ISSN: 1740-1526
    Electronic ISSN: 1740-1534
    Topics: Biology , Medicine
    Published by Springer Nature
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  • 9
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    A key source area and constraints on entrainment for basin-scale sediment transport by Arctic sea ice (2000)
    American Geophysical Union
    Details
    Publication Date: 2000-07-01
    Print ISSN: 0094-8276
    Electronic ISSN: 1944-8007
    Topics: Geosciences , Physics
    Published by American Geophysical Union
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  • 10
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    Video observations of the underside of arctic sea ice-features and morphology on medium and small scales (1997)
    Taylor & Francis
    Details
    Publication Date: 1997-06-01
    Print ISSN: 0800-0395
    Electronic ISSN: 1751-8369
    Topics: Geography , Geosciences
    Published by Taylor & Francis
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