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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): Carbon analysis of surface sediments from the Laptev Se [dataset]. PANGAEA,, Supplement to: Fahl, K et al. (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

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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.
Fourth Framework Programme (FP4), grant/award no. MAS3980185: Quaternary Environment of the Eurasian North
Median Latitude: 74.105858 * Median Longitude: 129.643628 * South-bound Latitude: 71.233700 * West-bound Longitude: 114.284000 * North-bound Latitude: 77.111700 * East-bound Longitude: 139.653000
Date/Time Start: 1993-08-13T00:00:00 * Date/Time End: 1996-05-29T08:25:00
Minimum DEPTH, sediment/rock: 0.0 m * Maximum DEPTH, sediment/rock: 0.0 m
IK93K1-1 * Latitude: 75.940000 * Longitude: 136.708333 * Date/Time: 1993-09-09T00:00:00 * Elevation: -20.0 m * Location: Laptev Sea * Campaign: Transdrift-I * Basis: Ivan Kireyev * Method/Device: Box corer (Reineck) (BCR)
IK93K2-1 * Latitude: 76.835000 * Longitude: 137.295000 * Date/Time: 1993-09-13T00:00:00 * Elevation: -30.0 m * Location: Laptev Sea * Campaign: Transdrift-I * Basis: Ivan Kireyev * Method/Device: Box corer (Reineck) (BCR)
IK93Z3-3 * Latitude: 73.295000 * Longitude: 119.831667 * Date/Time: 1993-08-13T00:00:00 * Elevation: -11.0 m * Location: Laptev Sea * Campaign: Transdrift-I * Basis: Ivan Kireyev * Method/Device: Box corer (Reineck) (BCR)
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1Event labelEvent
4Elevation of eventElevationm
5DEPTH, sediment/rockDepth sedmGeocode
6Carbon, organic, totalTOC%Fahl, KirstenElement analyser CHN, LECO CNS 2000
7δ13C, organic carbonδ13C Corg‰ PDBFahl, KirstenIsotope ratio mass spectrometry
170 data points

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