Organic material, sediment and ice characteristics of two permafrost cores from Yukechi Alas, Central Yakutia, supplement to: Windirsch, Torben (2018): Organic matter characteristics in a changing permafrost environment: Yukechi Alas landscape, Central Yakutia. University Potsdam, master thesis

• Main Authors: Windirsch, Torben, Grosse, Guido, Ulrich, Mathias, Schirrmeister, Lutz, Fedorov, Alexander N, Konstantinov, Pavel, Fuchs, Matthias, Strauss, Jens
• Format: Article in Journal/Newspaper
• Language: English
• Published: PANGAEA - Data Publisher for Earth & Environmental Science 2019
• Subjects: Alas; Carbon; Central Yakutia; permafrost; Yedoma; Yukechi; Permafrost Research Periglacial Dynamics @ AWI AWI_PerDyn; Rapid Permafrost Thaw in a Warming Arctic and Impacts on the Soil Organic Carbon Pool PETA-CARB; Arctic; Peta; Ice; Magnetic susceptibility; Thermokarst; wedge*; Yakutia; Siberia
• Online Access: https://dx.doi.org/10.1594/pangaea.898754; https://doi.pangaea.de/10.1594/PANGAEA.898754

These data are laboratory results for carbon characteristics (TOC, TC, TN, C/N ratio, stable carbon isotope ratio, radiocarbon ages from bulk organic material), sediment characteristics (mass specific magnetic susceptibility (4.65 kHz & 0.465 kHz), grain size measurements < 1 mm) and ice characteristics (sample mass (wet), sample mass (dry), absolute ice content, stable oxygen and hydrogen isotope ratios of pore ice, pH and conductivity of pore ice).Two cores were analyzed: Yedoma core YED1 N 61.75967° / E 130.47438°;h = 218 m asltotal length: 22,35 m (recovery 21,13 m)ice wedge included from ~7,14 to ~9,5 m Alas core Alas1drilled in the drained part of a thermokarst lake basinN 61.76490° / E 130.46503°total length: 19,80 m (recovery 11,14 m)unfrozen conditions from ~1,6 to ~7,5 m Both cores were drilled in March 2015 from dry land surface in a joint expedition of the ERC PETA-Carb poject and the DFG project UL426/1-1 "Short and long-term thermokarst dynamics due to climate changes and human impacts in Central Yakutia, Siberia (2013-2016)". The sample names are compiled as [campaign]-[core] [drive] [depth (top)] - [depth (bottom)]. Age calibration was done with Calib7.10. Grain size percentages were calculated using GRADISTAT (Blott and Pye, 2001). Missing carbon isotope and C/N ratio values are a result of carbon and/or nitrogen contents below detection limit (0.1 wt%).Missing ice characteristics values are a result of dry and/or fine material obstructing the pore ice/water extraction.