Stein, Ruediger; Frederichs, Thomas; Fahl, Kirsten; Geibert, Walter; Matthiessen, Jens; Niessen, Frank; Vogt, Christoph; Sassenroth, Cynthia; Bazhenova, Evgenia A (2025): X-Ray Fluorescence analysis of sediment core PS115/2_2 [dataset]. PANGAEA, https://doi.pangaea.de/10.1594/PANGAEA.975853 (DOI registration in progress), In: Stein, R et al. (2025): A 430 kyr multi-proxy record of Eurasian Ice Sheet history and organic carbon burial in the eastern Eurasian Basin, Arctic Ocean [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.975790
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Published: 2025-04-24
Abstract:
Sediment Core PS115/2-2 was recovered from the Amundsen Basin in 3600 m water depth at the eastern flank of the Gakkel Ridge during Polarstern Expedition PS115/2 in 2018 (Stein, 2019). The well-dated core is used to reconstruct in detail the interrelationship between ice-sheet dynamics and organic carbon burial in the central Eurasian Basin during the last 430 kyr, and to correlate marine and terrestrial records of the Eurasian Ice Sheet (EIS) history. In this context, the AWI Avaatech XRF (X-Ray Fluorescence) Core Scanner was used for rapid and non-destructive determination of the chemical composition of sediment sections of cores PS115/2-2-1 and PS115/2-2. Split core surfaces were scanned during a 10 kV, 30 kV, and 50 kV run, in order to obtain reliable intensities (counts per second) of specific major elements by analysing the spectra with for Arctic sediments adapted WinAxial™ models. For documentation and analytical details, we refer to the Avaatech Manual (https://epic.awi.de/id/eprint/37355/4/ XRFCore-Scanner_user-manualV2.pdf). For details and methods, we refer to Stein et al. (this paper).
References:
Stein, Ruediger (2019): The Expedition PS115/2 of the Research Vessel POLARSTERN to the Arctic Ocean in 2018. Berichte zur Polar- und Meeresforschung = Reports on Polar and Marine Research, 728, 249 pp, https://doi.org/10.2312/BzPM_0728_2019
Stein, Ruediger; Fahl, Kirsten (2004): The Laptev Sea: Distribution, Sources, Variability and Burial of Organic Carbon. In: Stein, R & Macdonald, RW (eds.), The Organic Carbon Cycle in the Arctic Ocean. Springer-Verlag, Berlin, 213-237
Funding:
German Research Foundation (DFG), grant/award no. 447617953: "Arctic Ocean Paleoceanography (ArcOP)": Pilot research and lead of IODP Expedition 377 (ArcOP-Pilot)
Coverage:
Median Latitude: 81.244115 * Median Longitude: 123.481940 * South-bound Latitude: 81.244100 * West-bound Longitude: 123.479940 * North-bound Latitude: 81.244130 * East-bound Longitude: 123.483940
Date/Time Start: 2018-09-14T14:49:00 * Date/Time End: 2018-09-14T17:41:00
Minimum DEPTH, sediment/rock: 0.00 m * Maximum DEPTH, sediment/rock: 7.60 m
Event(s):
PS115/2_2-1 * Latitude: 81.244130 * Longitude: 123.479940 * Date/Time: 2018-09-14T14:49:00 * Elevation: -3665.0 m * Location: Arctic Ocean * Campaign: PS115/2 * Basis: Polarstern * Method/Device: Giant box corer (GKG)
PS115/2_2-2 * Latitude: 81.244100 * Longitude: 123.483940 * Date/Time: 2018-09-14T17:41:00 * Elevation: -3669.0 m * Location: Arctic Ocean * Campaign: PS115/2 * Basis: Polarstern * Method/Device: Box corer (BC)
Parameter(s):
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
12061 data points
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