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Wei, Bingbing; Holtappels, Moritz (2025): Geochemical properties in surface sediments of the Helgoland Mud Area and surrounding sandy areas taken during HEINCKE cruise HE595 in the North Sea [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.971520

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Published: 2025-02-19 • DOI registered: 2025-02-19

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Abstract:
In March 2022, 56 surface sediments were collected from the Helgoland Mud Area and surrounding sandy areas in the North Sea. These surface sediments were analyzed for grain size, organic carbon (OC) content, total nitrogen content (TN), stable carbon isotope of OC, and abundances of source-specific alkanes and fatty acids, in aim to determine and quantify composition and sources of OC, to understand the degradation and sequestration of marine and terrestrial OC in sediments, and to estimate the burial fluxes and burial efficiencies of marine and terrestrial OC in the Helgoland Mud Area. Detailed dataset interpretation can be found in Wei et al. (2024, in preparation).
Keyword(s):
alkanes; Carbon Burial; fatty acids; Helgoland mud area; North Sea; stable carbon isotopes δ13C
Supplement to:
Wei, Bingbing; Müller, Daniel; Kusch, Stephanie; Niu, Lu; Hefter, Jens; Sander, Lasse; Hanz, Ulrike; Mollenhauer, Gesine; Jia, Guodong; Kasten, Sabine; Holtappels, Moritz (2025): Twice the global average carbon burial efficiency in the Helgoland Mud Area of the North Sea: Insights into carbon sequestration in small-size depocenters on sand-dominated shelves. Chemical Geology, 681, 122712, https://doi.org/10.1016/j.chemgeo.2025.122712
Project(s):
Anthropogenic impacts on particulate organic carbon cycling in the North Sea (APOC)
Funding:
Federal Ministry of Education and Research (BMBF), grant/award no. 03F0874D: Ozeane unter Stress: APOC - Anthropogene Einflüsse auf den Kreislauf partikulären organischen Kohlenstoffs in der Nordsee
German Research Foundation (DFG), grant/award no. 390741603: EXC 2077: The Ocean Floor – Earth's Uncharted Interface
Coverage:
Median Latitude: 54.027804 * Median Longitude: 8.301589 * South-bound Latitude: 53.898300 * West-bound Longitude: 7.919804 * North-bound Latitude: 54.230000 * East-bound Longitude: 8.707200
Date/Time Start: 2022-03-17T13:11:45 * Date/Time End: 2022-04-01T06:22:06
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Size:
3 datasets

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Datasets listed in this bundled publication

  1. Wei, B; Holtappels, M (2025): Organic carbon (OC) content, nitrogen content, C/N ratio, carbonate content, δ13C of OC, mean grain size, surface area, calculated fraction, content and loading of terrestrial and marine OC in surface sediments of Helgoland Mud Area in the North Sea. https://doi.org/10.1594/PANGAEA.971521
  2. Wei, B; Holtappels, M (2025): Concentrations and loadings of alkanes in surface sediments of Helgoland Mud Area in the North Sea. https://doi.org/10.1594/PANGAEA.971522
  3. Wei, B; Holtappels, M (2025): Concentrations and loadings of fatty acids in surface sediments of Helgoland Mud Area in the North Sea. https://doi.org/10.1594/PANGAEA.971523