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Jongejans, Loeka Laura; Grosse, Guido; Ulrich, Mathias; Fedorov, Alexander N; Konstantinov, Pavel; Strauss, Jens (2019): Radiocarbon ages of talik sediments of an alas lake and a yedoma lake in the Yukechi Alas, Siberia [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.904738

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Abstract:
The dataset presents the radiocarbon ages (with standard deviation ±) from thermokarst lake sediment cores from the Yukechi Alas, Siberia. The sediment cores were taken from an alas lake (YUK15-YU-L7) and a yedoma lake (YUK15-YU-L15). Raw, calibrated and rounded calibrated ages are presented. Measurements were carried out in the AWI MICADAS Laboratory in Bremerhaven. Calibrations were performed according to Stuiver et al. (2017) using CALIB 7.1 software and the IntCal13 calibration curve.
Keyword(s):
Arctic; radiocarbon ages; thermokarst lake; Yakutia
Project(s):
Permafrost Research (Periglacial Dynamics) @ AWI (AWI_PerDyn)
Coverage:
Median Latitude: 61.762311 * Median Longitude: 130.469881 * 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: 5.200 m * Maximum DEPTH, sediment/rock: 21.430 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
1 Event labelEventJongejans, Loeka Laura
2 Cruise/expeditionExpeditionJongejans, Loeka Laura
3 Lake typeLake typeJongejans, Loeka LauraStudy site
4 Sample IDSample IDJongejans, Loeka Laura
5 LATITUDELatitudeJongejans, Loeka LauraGeocode
6 LONGITUDELongitudeJongejans, Loeka LauraGeocode
7 Sediment typeSedimentJongejans, Loeka Lauratalik or permafrost (below talik)
8 DEPTH, sediment/rockDepth sedmJongejans, Loeka LauraGeocode – below ice surface
9 Depth, top/minDepth topmJongejans, Loeka Laurabelow ice surface
10 Depth, bottom/maxDepth botmJongejans, Loeka Laurabelow ice surface
11 Age, dated materialDated materialJongejans, Loeka Lauraplant remains (e.g. wooden remains, roots, leaf fragments, twigs, larix needles) or bulk sediment
12 Age, datedAge datedka BPJongejans, Loeka LauraAge, 14C AMS, Mini Carbon Dating System (MICADAS)raw ages, ka BP
13 Age, dated standard deviationAge dated std dev±Jongejans, Loeka LauraAge, 14C AMS, Mini Carbon Dating System (MICADAS)
14 AGEAgeka BPJongejans, Loeka LauraAge, 14C calibrated, CALIB 7.1 (Stuiver et al. 2017) and IntCal13 calibration curveGeocode – calibrated ages
15 Age, standard deviationAge std dev±Jongejans, Loeka LauraAge, 14C calibrated, CALIB 7.1 (Stuiver et al. 2017) and IntCal13 calibration curve
16 AGEAgeka BPJongejans, Loeka LauraGeocode – rounded calibrated ages
17 Age, standard deviationAge std dev±Jongejans, Loeka Laurarounded
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Size:
143 data points

Data

Download dataset as tab-delimited text — use the following character encoding:

1 
Event		2 
Expedition		3 
Lake type
(Study site)		4 
Sample ID		5 
Latitude		6 
Longitude		7 
Sediment
(talik or permafrost (below ta...)		8 
Depth sed [m]
(below ice surface)		9 
Depth top [m]
(below ice surface)		10 
Depth bot [m]
(below ice surface)		11 
Dated material
(plant remains (e.g. wooden re...)		12 
Age dated [ka BP]
(raw ages, ka BP, Age, 14C AMS...)		13 
Age dated std dev [±]
(Age, 14C AMS, Mini Carbon Dat...)		14 
Age [ka BP]
(calibrated ages, Age, 14C cal...)		15 
Age std dev [±]
(Age, 14C calibrated, CALIB 7....)		16 
Age [ka BP]
(rounded calibrated ages)		17 
Age std dev [±]
(rounded)
YUK15-YU-L7 Yukechi 2015Alas lakeYUK15-YU-L7-1_519-521cm61.76397130.46442talik5.2005.195.21plant remains3.4730.0483.7500.1183.7500.12
YUK15-YU-L7Yukechi 2015Alas lakeYUK15-YU-L7-3_745-751cm61.76397130.46442talik7.4807.457.51bulk sediment11.7890.26313.7250.65713.7300.66
YUK15-YU-L7Yukechi 2015Alas lakeYUK15-YU-L7-4_1276-1280cm61.76397130.46442talik12.78012.7612.80bulk sediment>24.570
YUK15-YU-L7Yukechi 2015Alas lakeYUK15-YU-L7-6_1559-1562cm61.76397130.46442talik15.60515.5915.62plant remains46.4720.649
YUK15-YU-L7Yukechi 2015Alas lakeYUK15-YU-L7-8_1745-1747cm61.76397130.46442talik17.46017.4517.47plant remains>49.300
YUK15-YU-L7Yukechi 2015Alas lakeYUK15-YU-L7-10A_1997-2000cm61.76397130.46442talik19.98519.9720.00plant remains>39.600
YUK15-YU-L7Yukechi 2015Alas lakeYUK15-YU-L7-10B_1997-2000cm61.76397130.46442talik19.98519.9720.00bulk sediment39.7140.31143.4320.59543.4400.60
YUK15-YU-L15 Yukechi 2015Yedoma lakeYUK15-YU-L15-1_598-601cm61.76086130.47466talik5.9955.986.01plant remains0.1340.0530.1420.0490.1420.05
YUK15-YU-L15Yukechi 2015Yedoma lakeYUK15-YU-L15-2_779-787cm61.76086130.47466talik7.8307.797.87bulk sediment37.1220.24741.6450.41841.6500.42
YUK15-YU-L15Yukechi 2015Yedoma lakeYUK15-YU-L15-3_1200-1215cm61.76086130.47466talik12.07512.0012.15plant remains>49.930
YUK15-YU-L15Yukechi 2015Yedoma lakeYUK15-YU-L15-4_1393-1398cm61.76086130.47466permafrost13.95513.9313.98plant remains48.2490.515
YUK15-YU-L15Yukechi 2015Yedoma lakeYUK15-YU-L15-6_1589-1593cm61.76086130.47466permafrost15.91015.8915.93plant remains>48.990
YUK15-YU-L15Yukechi 2015Yedoma lakeYUK15-YU-L15-8A_1915-1920cm61.76086130.47466permafrost19.17519.1519.20plant remains39.1201.17843.1761.85943.1801.86
YUK15-YU-L15Yukechi 2015Yedoma lakeYUK15-YU-L15-8B_1915-1920cm61.76086130.47466permafrost19.17519.1519.20bulk sediment40.3490.34943.9220.68943.9300.69
YUK15-YU-L15Yukechi 2015Yedoma lakeYUK15-YU-L15-10B_2140-2146cm61.76086130.47466permafrost21.43021.4021.46bulk sediment>24.570