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Stieg, Amelie; Strauss, Jens; Lindemann, Justin; Biskaborn, Boris K; Herzschuh, Ulrike; Baisheva, Izabella; Pestryakova, Luidmila A; Meyer, Hanno (2025): Mercury concentrations of the EN20001_6 core segment from Lake Khamra, Yakutia, Siberia [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.973012

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Published: 2025-04-28DOI registered: 2025-04-29

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Abstract:
The data includes total mercury concentrations (THg, given in µg/kg) of 22 samples from the core segment EN20001_6. Due to limited sample material, THg concentrations were analysed on the rim material of the individual samples of EN20001_6. All measurements were carried out at AWI Potsdam. Mercury concentrations were measured with a MLS-MWS DMA-80 evo III, with a detection limit of 0.003 ng and a laboratory proven limit of determination of 0.4 ng.
Keyword(s):
Boreal; centennial; decadal; Holocene; Lake sediment; Lake sediment core; lake sediment proxies; Mercury concentration; Russia; Sakha Republic; Siberia; Yakutia
Coverage:
Latitude: 59.990950 * Longitude: 112.983450
Date/Time Start: 2020-03-10T00:00:00 * Date/Time End: 2020-03-14T00:00:00
Minimum DEPTH, sediment/rock: 6.93 m * Maximum DEPTH, sediment/rock: 7.14 m
Event(s):
EN20001_PC (EN20001, Lake Khamra) * Latitude: 59.990950 * Longitude: 112.983450 * Date/Time Start: 2020-03-10T00:00:00 * Date/Time End: 2020-03-14T00:00:00 * Elevation: 340.0 m * Recovery: 10.8 m * Location: Lake Khamra, SW Yakutia, Russia * Campaign: RU-Land_2020_Khamra (Khamra 2020) * Basis: AWI Arctic Land Expedition * Method/Device: Piston corer, UWITEC (PCUWI) * Comment: Tripod piston coring system, UWITEC (HGCUWI); Core length: 10.8 m. Core diameter: 6cm
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1Sample code/labelSample labelStieg, AmelieSegment of core EN20001_PC; segment range: 0-89 cm; working half; 0-22 cm (composite depth: 6.93-7.14 m) was subsampled gapless in 1 cm increments, in total 22 subamples
2DEPTH, sediment/rockDepth sedmStieg, AmelieGeocode
3Age, datedAge datedka BPStieg, Ameliecalibrated ages
4MercuryHgµg/kgStieg, AmelieMercury analyser, MLS-MWS, DMA-80 evo IIITotal mercury; machine detection limit of 0.003 ng and laboratory proven limit of determination of 0.4 ng.
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
66 data points

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