Schirrmeister, Lutz; Siegert, Christine (2017): Pore-water analyses of permafrost deposits from Byk_98_Mkh-6.2 (Bykovsky Peninsula in 1998) [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.881468, In supplement to: Schirrmeister, Lutz; Grigoriev, Mikhail N; Strauss, Jens; Grosse, Guido; Overduin, Pier Paul; Kohlodov, Aleksander; Guenther, Frank; Hubberten, Hans-Wolfgang (2018): Sediment characteristics of a thermokarst lagoon in the northeastern Siberian Arctic (Ivashkina Lagoon, Bykovsky Peninsula). arktos - The Journal of Arctic Geosciences, 4(1), https://doi.org/10.1007/s41063-018-0049-8
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Project(s):
Permafrost Research (Periglacial Dynamics) @ AWI (AWI_PerDyn)
Coverage:
Latitude: 71.787895 * Longitude: 129.402562
Date/Time Start: 1998-08-05T00:00:00 * Date/Time End: 1998-08-12T00:00:00
Event(s):
Byk_98_Mkh-6.2 * Latitude: 71.787895 * Longitude: 129.402562 * Date/Time Start: 1998-08-05T00:00:00 * Date/Time End: 1998-08-12T00:00:00 * Location: Lena Delta, Siberia, Russia * Campaign: RU-Land_1998_Lena (Lena-Delta1998) * Basis: AWI Arctic Land Expedition * Method/Device: Multiple investigations (MULT)
Comment:
In order to get information about the pore-water characteristics from the dry samples, the water-soluble elements in the sediments were determined by shaking the samples with a proportionate amount of ultrapure water for a defined period of time. To obtain the water extracts, approximately 1 g of the freeze-dried sample was shaken for approximately 90 minutes in 50 ml centrifuge tubes with ultrapure water at a soil:water ratio of 1:25 using an overhead shaker (Gerhardt Laboshake). Then the suspension was centrifuged (Heraeus Multifuge 3s) at 4000 rpm for 15 minutes. The decanted extraction was filtered through a 0.45 µm cellulose acetate filter. We measured total dissolved elemental concentrations of Al, Ba, Ca, Fe, K, Mg, Mn, Na, P, Si, and Sr and anion concentrations of F-, Cl-, SO42-, Br-, NO3-, PO43-, and HCO3-.The element concentrations were analyzed using inductively coupled plasma-optical emission spectrometry (ICP-OES, Perkin-Elmer Optima 8300DV), while the anion content was determined by ion chromatography (IC, Thermo ICS2100). Hydrogen carbonate concentrations were measured by potentiometric pH-value titration with 0.01 M HCl using an automatic titrator (Metrohm 794 Basic Titrino). In order to estimate the procedural error, extractions were carried out in duplicate for every 5th to 10th sample and 2-3 blank solutions of ultrapure water were treated in the same manner as the extractions and measured for concentrations. Water EC and pH values were measured using a WTW MultiLab 540 multi-parameter device equipped with a TetraCon 325 cell referenced to 25 °C and a pH Sentix 81 electrode.
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Sample code/label | Sample label | Schirrmeister, Lutz | |||
| 2 | Height above sea level | Height | m a.s.l. | Schirrmeister, Lutz | ||
| 3 | Sediment type | Sediment | Schirrmeister, Lutz | |||
| 4 | pH | pH | Schirrmeister, Lutz | |||
| 5 | Conductivity, electrolytic | EC | µS/cm | Schirrmeister, Lutz | ||
| 6 | Aluminium | Al | µg/l | Schirrmeister, Lutz | ||
| 7 | Calcium | Ca2+ | mg/l | Schirrmeister, Lutz | ||
| 8 | Iron | Fe | µg/l | Schirrmeister, Lutz | ||
| 9 | Potassium | K+ | mg/l | Schirrmeister, Lutz | ||
| 10 | Magnesium | Mg2+ | mg/l | Schirrmeister, Lutz | ||
| 11 | Manganese | Mn | mg/l | Schirrmeister, Lutz | ||
| 12 | Sodium | Na+ | mg/l | Schirrmeister, Lutz | ||
| 13 | Phosphorus, total | TP | mg/l | Schirrmeister, Lutz | ||
| 14 | Silicate | Si(OH)4 | µg/l | Schirrmeister, Lutz | ||
| 15 | Strontium 2+ | Sr2+ | µg/l | Schirrmeister, Lutz | ||
| 16 | Fluoride | F- | µg/l | Schirrmeister, Lutz | ||
| 17 | Chloride | Cl- | mg/l | Schirrmeister, Lutz | ||
| 18 | Nitrate | [NO3]- | mg/l | Schirrmeister, Lutz | ||
| 19 | Sulfate | [SO4]2- | mg/l | Schirrmeister, Lutz | ||
| 20 | Bicarbonate ion | [HCO3]- | mg/l | Schirrmeister, Lutz |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
60 data points