The Holocene Environment of the Norwegian Sea Based on Fossil Microalgae Assemblages

Detailed micropaleontological analysis was performed on the sediment core AMK-6142 collected in the deep southwestern part of the Lofoten Basin in the Norwegian Sea. Summer sea-surface temperature for the 7 cal. ka BP was reconstructed from dinocyst assemblages using the modern analogue technique (M...

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Bibliographic Details
Published in:Doklady earth sciences 2023-12, Vol.513 (2), p.1361-1365
Main Authors: Klyuvitkina, T. S., Novichkova, E. A., Matul, A. G., Kravchishina, M. D.
Format: Article
Language:English
Subjects:
Aquatic resources
Arctic fronts
Community composition
Earth and Environmental Science
Earth Sciences
Environmental changes
Environmental conditions
Fossils
Holocene
Oceanology
Paleogeography
Phytoplankton
Sea surface temperature
Species composition
Surface temperature
Surface water
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Summary:Detailed micropaleontological analysis was performed on the sediment core AMK-6142 collected in the deep southwestern part of the Lofoten Basin in the Norwegian Sea. Summer sea-surface temperature for the 7 cal. ka BP was reconstructed from dinocyst assemblages using the modern analogue technique (MAT). Sea-surface reconstruction and dinocysts species composition indicate repeated changes in environmental conditions in the surface water layer during the Middle and Late Holocene. Episodes of cooling and probable displacement of the Arctic Front to the southwestern part of the Lofoten Basin were recorded for 5–7, 1.6–2.1, and 0.1–1.0 cal. ka BP.
ISSN:1028-334X
1531-8354
DOI:10.1134/S1028334X23601943