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Jongejans, Loeka Laura; Liebner, Susanne; Knoblauch, Christian; Mangelsdorf, Kai; Strauss, Jens (2021): Dissolved organic carbon content in thawed sediments underneath a Yedoma and Alas thermokarst lake in Eastern Siberia [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.928136

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Abstract:
This dataset describes two 17 m long sediment cores taken from beneath two thermokarst lakes in the Yukechi Alas, Central Yakutia, Russia. The first core was taken from below an Alas thermokarst lake (YU-L7; 61.76397°N, 130.46442°E) and the second core below and Yedoma lake (YU-L15; 61.76086°N, 130.47466°E).
The dataset presents the dissolved organic carbon (DOC) content from sediment cores YU-L7 and YU-L15. The DOC was measured as non-purgeable organic carbon fraction and is expressed in mg/L.
Keyword(s):
Arctic; Biomarkers; Central Yakutia; greenhouse gas production; talik; thawed permafrost; thermokarst lake; Yedoma deposits
Supplement to:
Jongejans, Loeka Laura; Liebner, Susanne; Knoblauch, Christian; Mangelsdorf, Kai; Ulrich, Mathias; Grosse, Guido; Tanski, George; Fedorov, Alexander N; Konstantinov, Pavel Ya; Windirsch, Torben; Wiedmann, Julia; Strauss, Jens (2021): Greenhouse gas production and lipid biomarker distribution in Yedoma and Alas thermokarst lake sediments in Eastern Siberia. Global Change Biology, 27(12), 2822-2839, https://doi.org/10.1111/gcb.15566
Funding:
Federal Ministry of Education and Research (BMBF), grant/award no. 03F0764A: Verbundprojekt: WTZ Russland - KoPf; Kohlenstoffumsatz und Treibhausgasfreisetzung aus tauendem Permafrost Nordostsibiriens unter sich ändernden Umwelt- und Klimabedingungen
Federal Ministry of Education and Research (BMBF), grant/award no. 03F0764B: Verbundprojekt: WTZ Russland - KoPf; Kohlenstoffumsatz und Treibhausgasfreisetzung aus tauendem Permafrost Nordostsibiriens unter sich ändernden Umwelt- und Klimabedingungen
Federal Ministry of Education and Research (BMBF), grant/award no. 03F0764F: Verbundprojekt: WTZ Russland - KoPf; Kohlenstoffumsatz und Treibhausgasfreisetzung aus tauendem Permafrost Nordostsibiriens unter sich ändernden Umwelt- und Klimabedingungen
German Research Foundation (DFG), grant/award no. 232311661: Short and long-term thermokarst dynamics due to climate changes and human impacts in Central Yakutia, Siberia
German Research Foundation (DFG), grant/award no. 390683824: EXC 2037: Climate, Climatic Change, and Society (CLICCS)
Seventh Framework Programme (FP7), grant/award no. 338335: Rapid Permafrost Thaw in a Warming Arctic and Impacts on the Soil Organic Carbon Pool
Coverage:
Median Latitude: 61.762415 * Median Longitude: 130.469540 * South-bound Latitude: 61.760860 * West-bound Longitude: 130.464420 * North-bound Latitude: 61.763970 * East-bound Longitude: 130.474660
Date/Time Start: 2015-03-23T00:00:00 * Date/Time End: 2015-03-23T00:00:00
Minimum DEPTH, sediment/rock: 2.020 m * Maximum DEPTH, sediment/rock: 17.345 m
Event(s):
YUK15-YU-L7 (Alas lake) * Latitude: 61.763970 * Longitude: 130.464420 * Date/Time: 2015-03-23T00:00:00 * Recovery: 15.05 * Campaign: RU-Land_2015_CentralYakutia_Yuke (Central_Yakutia_Yukechi_2015) * Basis: AWI Arctic Land Expedition * Method/Device: Truck mounted rotary drill (RCDT) * Comment: From 4.95 m to 20 m (length: 15.05 m)
YUK15-YU-L15 (Yedoma lake) * Latitude: 61.760860 * Longitude: 130.474660 * Date/Time: 2015-03-23T00:00:00 * Recovery: 17.16 m * Campaign: RU-Land_2015_CentralYakutia_Yuke (Central_Yakutia_Yukechi_2015) * Basis: AWI Arctic Land Expedition * Method/Device: Truck mounted rotary drill (RCDT) * Comment: From 4.30 m to 21.46 m (length: 17.16 m)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1Event labelEventJongejans, Loeka Laura
2CoreCoreJongejans, Loeka LauraAlas lake sediment core YU-L7 or Yedoma lake sediment core YU-L15
3Depth, top/minDepth topmJongejans, Loeka Lauratop of sampling interval from sediment surface
4Depth, bottom/maxDepth botmJongejans, Loeka Laurabottom of sampling interval from sediment surface
5DEPTH, sediment/rockDepth sedmJongejans, Loeka LauraGeocode
6Carbon, organic, dissolvedDOCmg/lJongejans, Loeka Laura
Size:
228 data points

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