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Fuchs, Matthias; Lenz, Josefine; Jock, Suzanne; Nitze, Ingmar; Jones, Benjamin M; Strauss, Jens; Günther, Frank; Grosse, Guido (2018): Sedimentary characteristics from permafrost cores in the Teshekpuk Lake Area on the Arctic Coastal Plain, Northern Alaska. PANGAEA,, Supplement to: Fuchs, M et al. (2019): Organic Carbon and Nitrogen Stocks Along a Thermokarst Lake Sequence in Arctic Alaska. Journal of Geophysical Research: Biogeosciences, 124(5), 1230-1247,

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This data set includes the data for the publication Fuchs et al. (2019), Organic carbon and nitrogen stocks along a thermokarst lake sequence in Arctic Alaska, doi:10.1029/2018JG004591. Impacts of successive thermokarst lake stages on soil organic carbon and nitrogen storage, Arctic Alaska. This study combines terrestrial and lacustrine cores to a depth of two meters for a carbon and nitrogen stock estimation in a heavily thermokarst affected study region as well as describes the landscape chronology of the study area which is characterized by multiple drained thermokarst lake basins of different generations.
The first data set (doi:10.1594/PANGAEA.895163) includes the raw laboratory data (TOC, TC, TN, C/N) from the permafrost cores collected at the Teshekpuk Lake Area. The data for the lacustrine cores are published on Pangaea and accessible with the link: (Lenz et al., 2016). All laboratory analyses on the terrestrial cores were carried out at the Alfred Wegener Institute Potsdam.
The second data set (doi:10.1594/PANGAEA.895165) presents the carbon (in kg C m-2) and nitrogen (in kg N m-2) stocks for all the collected cores for the reference depths 0-30 cm, 0-100 cm, 0-150 cm, 0-200 cm. This includes terrestrial as well as lacustrine cores.
The third data set (doi:10.1594/PANGAEA.895166) includes 19 radiocarbon dates from five different permafrost cores. The samples were analyzed at the Radiocarbon Laboratory in Poznan, Poland with the accelerated mass spectrometry (AMS) dating method (Goslar et al., 2004). In addition to the AMS dates, the radiocarbon dates were calibrated with the Calib 7.1 software into calibrated years before present and organic carbon accumulation rates were calculated for each of the cores (Stuiver & Reimer, 1993; Stuiver et al., 2017).
In addition, a shapefile (Landforms_Teshekpuk_Area) is available including drained thermokarst lake basins of different lake stages, thermokarst lakes (>1 ha), primary surfaces and drainage channels. This landform classification was used in the original study to characterize the chronology of the landscape as well as to calculate landscape carbon and nitrogen stocks.
Related to:
Lenz, Josefine; Jones, Benjamin M; Wetterich, Sebastian; Tjallingii, Rik; Fritz, Michael; Arp, Chistopher D; Rudaya, Natalya A; Grosse, Guido (2016): Bulk sediment parameter of three sediment cores from permafrost lowlands, Alaska Arctic Coastal Plain. PANGAEA,
Further details:
Goslar, Tomasz; Czernik, Justyna; Goslar, Ewa (2004): Low-energy 14C AMS in Poznań Radiocarbon Laboratory, Poland. Nuclear Instruments & Methods in Physics Research Section B-Beam Interactions with Materials and Atoms, 223-224, 5-11,
Stuiver, Minze; Reimer, Paula J (1993): Extended 14C data base and revised CALIB 3.0 14C age calibration program. Radiocarbon, 35(1), 215-230,
Stuiver, Minze; Reimer, Paula J; Reimer, Ron W (2017): CALIB 7.1 [WWW program] at Accessed 15 June 2017.
Median Latitude: 70.726636 * Median Longitude: -153.874026 * South-bound Latitude: 70.705060 * West-bound Longitude: -153.928100 * North-bound Latitude: 70.738780 * East-bound Longitude: -153.523600
Date/Time Start: 2014-04-20T00:00:00 * Date/Time End: 2015-07-19T00:00:00
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