Jenrich, Maren; Angelopoulos, Michael; Grosse, Guido; Overduin, Pier Paul; Schirrmeister, Lutz; Nitze, Ingmar; Biskaborn, Boris K; Liebner, Susanne; Grigoriev, Mikhail N; Strauss, Jens (2020): Borehole temperatures and freezing points of cores PG2410 and PG2411 at Polar Fox Lagoon and Uomullyakh Lagoon [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.922171, In: Jenrich, M et al. (2020): Sedimentological, biogeochemical and hydrochemical characteristics of deep drilled thermokarst lagoon sediment cores, Bykovsky Peninsula, Lena Delta area [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.922170
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Abstract:
Data file contains bore hole temperature measurements for Uomullyakh and Polar Fox lagoons carried out in April 2017 as well as porewater conductivity measurements carried out in the Laboratory. GeoPrecision temperature chains (accuracy of 0.1 °C and a resolution of 0.01 °C) remained in the borehole for 5 days at Polar Fox Lagoon and 11 days at Uomullyakh Lagoon.
To account for drilling heat effects, the observed temperature drift for each thermistor was analysed following Lachenbruch (1982).
For the calculation of freezing points the electrical conductivity of the porewater (referenced to 25 °C) was converted to molality (mol/kg) using the TEOS package in MATLAB (McDougall and Barker, 2010).
Keyword(s):
Related to:
Lachenbruch, Arthur H; Sass, John H; Marshall, B Vaughn; Moses Jr, Thomas H (1982): Permafrost, Heat Flow, and the Geothermal Regime at Prudhoe Bay, Alaska. Journal of Geophysical Research, 87(B11), 9301, https://doi.org/10.1029/JB087iB11p09301
McDougall, Trevor J; Barker, P M (2011): Getting started with TEOS-10 and the Gibbs Seawater (GSW) Oceanographic Toolbox. http://www.teos-10.org/software.htm, 28 pp
Project(s):
Permafrost Research (AWI_Perma)
Permafrost Research (Periglacial Dynamics) @ AWI (AWI_PerDyn)
Coverage:
Median Latitude: 71.736950 * Median Longitude: 129.306565 * South-bound Latitude: 71.730870 * West-bound Longitude: 129.274830 * North-bound Latitude: 71.743030 * East-bound Longitude: 129.338300
Date/Time Start: 2017-04-08T00:00:00 * Date/Time End: 2017-04-17T00:00:00
Minimum DEPTH, soil: 1.8 m * Maximum DEPTH, soil: 30.0 m
Event(s):
PG2410 (Uomullyakh Lagoon) * Latitude: 71.730870 * Longitude: 129.274830 * Date/Time Start: 2017-04-08T00:00:00 * Date/Time End: 2017-04-11T00:00:00 * Campaign: RU-Land_2017_Lena_Bykovsky (Bykovsky_2017_spring) * Basis: AWI Arctic Land Expedition * Method/Device: Multiple investigations (MULT)
PG2411 (Polar Fox Lagoon) * Latitude: 71.743030 * Longitude: 129.338300 * Date/Time Start: 2017-04-14T00:00:00 * Date/Time End: 2017-04-17T00:00:00 * Campaign: RU-Land_2017_Lena_Bykovsky (Bykovsky_2017_spring) * Basis: AWI Arctic Land Expedition * Method/Device: Multiple investigations (MULT)
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | Jenrich, Maren | |||
| 2 | Sample ID | Sample ID | Jenrich, Maren | |||
| 3 | DEPTH, soil | Depth soil | m | Jenrich, Maren | Geocode | |
| 4 | DEPTH, soil | Depth soil | m | Jenrich, Maren | Geocode | |
| 5 | Temperature, soil | T soil | °C | Jenrich, Maren | ||
| 6 | Conductivity, porewater | Cond pw | mS/cm | Jenrich, Maren | ||
| 7 | Molality | Molality | mol/kg | Jenrich, Maren | ||
| 8 | Freezing point | Freezing point | °C | Jenrich, Maren |
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
117 data points