Sortable silt cycles in Svalbard slope sediments 74-0 ka

Sortable silt cycles in Svalbard slope sediments 74-0 ka

ABSTRACT The grain size of sortable silt (SS, 10–63 μm) was studied in sediment core JM04‐025PC from a sediment drift on the lower part of the western Svalbard slope. The study aims to reconstruct the bottom current activity and intermediate water circulation in the Greenland Sea. The SS record cove...

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Veröffentlicht in:Journal of quaternary science 2015-11, Vol.30 (8), p.743-753
Hauptverfasser: Jessen, Simon P., Rasmussen, Tine L.
Format: Artikel
Sprache:eng
Schlagworte:
bottom current strength
Climate
Dansgard/Oeschger climate variability
Finings
Fram Strait
Grain size
Greenland Sea
Regional
Sea currents
Sediments
Silts
Slopes
sortable silt
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Zusammenfassung:ABSTRACT The grain size of sortable silt (SS, 10–63 μm) was studied in sediment core JM04‐025PC from a sediment drift on the lower part of the western Svalbard slope. The study aims to reconstruct the bottom current activity and intermediate water circulation in the Greenland Sea. The SS record covers the last 74 ka and shows consistent millennial‐scale oscillations in grain size. The youngest part of the record (
ISSN:0267-8179
1099-1417
DOI:10.1002/jqs.2807