Data · dataset · 1999
Macerals in surface sediments of the Laptev Sea (Arctic Ocean)
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Surface sediments from the Laptev Sea and adjacent continental slope were studied for their composition of particulate organic matter (OM) by means of maceral analysis.
Description
The composition of macerals in sediments gives information about the environment, terrigenous supply from the hinterland, and marine OM. With reference to their biological sources, we distinguish between terrigenous and marine macerals.
We found that the particulate OM in the surface sediments of the Laptev Sea is predominantly of terrigenous origin (mean: 78%). However, distinct variations exist when looking in detail. In the shelf area, sediments may contain up to 99% terrigenous OM.
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Freshwater algae occur directly north of the river mouths, reflecting the strong fluvial influence. Relatively high amounts of marine OM (20-40%) are restricted to the upper continental slope, the Vilkitsky Strait and west of the New Siberian Islands, explained by increased surface-water productivity due to increased fluvial nutrient supply, open-water conditions, and phytoplankton blooms at the ice-edge.
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Where it is published
- Repository landing page doi.pangaea.de/10.1594/PANGAEA.55417 ↗
landing page · from DataCite
- DOI doi.org/10.1594/pangaea.55417 ↗
DOI / persistent id · from DataCite
Documentation and papers
- Creative Commons Attribution 3.0 Unported creativecommons.org/licenses/by/3.0/legalcode ↗
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- IsSupplementTo 10.1016/s0025-3227(99)00066-3 doi.org/10.1016/s0025-3227(99)00066-3 ↗
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Catalogue records · 2
- DataCite API api.datacite.org/dois/10.1594/pangaea.55417 ↗
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- DataCite Commons commons.datacite.org/doi.org/10.1594/pangaea.55417 ↗
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Provenance · 1 source records, 6 field assertions
| Source | Key | Last seen | Raw |
|---|---|---|---|
| DataCite | 10.1594/pangaea.55417 | 12 d ago | JSON v1 |
| Field | Assertion | Extractor | Evidence |
|---|---|---|---|
| access_level | source · DataCite | connector:datacite@1.0.0 | /data/attributes/rightsList |
| description | source · DataCite | connector:datacite@1.0.0 | /data/attributes/descriptions |
| license | source · DataCite | connector:datacite@1.0.0 | /data/attributes/rightsList |
| publication_date | source · DataCite | connector:datacite@1.0.0 | /data/attributes/dates |
| spatial | source · DataCite | connector:datacite@1.0.0 | |
| title | source · DataCite | connector:datacite@1.0.0 | /data/attributes/titles/0/title |