Evolution of the central Nordic Seas over the last 20 thousand years
The deep and surface water paleoceanographic evolution of the central Nordic Seas over the last 20 thousand years was reconstructed using various micropaleontological, isotopic and lithological proxy data. These show a high spatial and temporal complexity of the oceanic circulation when compared wit...
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ftoceanrep:oai:oceanrep.geomar.de:27647 2023-05-15T14:59:53+02:00 Evolution of the central Nordic Seas over the last 20 thousand years Telesinski, Maciej M. Bauch, Henning A. Spielhagen, Robert F. Kandiano, Evgeniya S. 2015-08-01 text https://oceanrep.geomar.de/id/eprint/27647/ https://oceanrep.geomar.de/id/eprint/27647/1/Telesinski%20et.al.pdf https://doi.org/10.1016/j.quascirev.2015.05.013 en eng Elsevier https://oceanrep.geomar.de/id/eprint/27647/1/Telesinski%20et.al.pdf Telesinski, M. M., Bauch, H. A. , Spielhagen, R. F. and Kandiano, E. S. (2015) Evolution of the central Nordic Seas over the last 20 thousand years. Quaternary Science Reviews, 121 . pp. 98-109. DOI 10.1016/j.quascirev.2015.05.013 <https://doi.org/10.1016/j.quascirev.2015.05.013>. doi:10.1016/j.quascirev.2015.05.013 info:eu-repo/semantics/restrictedAccess Article PeerReviewed 2015 ftoceanrep https://doi.org/10.1016/j.quascirev.2015.05.013 2023-04-07T15:17:43Z The deep and surface water paleoceanographic evolution of the central Nordic Seas over the last 20 thousand years was reconstructed using various micropaleontological, isotopic and lithological proxy data. These show a high spatial and temporal complexity of the oceanic circulation when compared with other records from the region. During early deglaciation a collapse of ice sheets surrounding the Nordic Seas released large amounts of freshwater that affected both the surface and bottom water circulation and significantly contributed to Heinrich stadial 1. During the Younger Dryas, the central Nordic Seas were affected by a last major freshwater plume which probably originated from the Arctic Ocean. When major ice rafting had ceased around 11ka subsurface temperatures started to rise. However, Atlantic Water advection and subsurface temperatures reached their maximum in the central Nordic Seas later than along the eastern continental margin. That spatio-temporal offset is explained by a gradual re-routing and westward expansion of the Atlantic Water flow during times when the Greenland Sea gyre system became more steadily established. In the Greenland Basin, the Holocene thermal maximum ended c. 5.5ka, and time-coeveal with an increase in sea-ice export from the Arctic. In the Lofoten Basin the cooling occurred later, after 4ka, and together with a weakening of the overturning processes. The Neoglacial cooling was reached c. 3ka, together with low solar irradiance, expanding sea ice and a slight decrease in deep convection. At c. 2ka subsurface temperatures began to rise again due to an increasing influence of Atlantic Waters. Article in Journal/Newspaper Arctic Arctic Ocean Greenland Greenland Sea Lofoten Nordic Seas Sea ice OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel) Arctic Arctic Ocean Lofoten Greenland Lofoten Basin ENVELOPE(4.000,4.000,70.000,70.000) Greenland Basin ENVELOPE(-5.000,-5.000,73.500,73.500) Quaternary Science Reviews 121 98 109 |
institution |
Open Polar |
collection |
OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel) |
op_collection_id |
ftoceanrep |
language |
English |
description |
The deep and surface water paleoceanographic evolution of the central Nordic Seas over the last 20 thousand years was reconstructed using various micropaleontological, isotopic and lithological proxy data. These show a high spatial and temporal complexity of the oceanic circulation when compared with other records from the region. During early deglaciation a collapse of ice sheets surrounding the Nordic Seas released large amounts of freshwater that affected both the surface and bottom water circulation and significantly contributed to Heinrich stadial 1. During the Younger Dryas, the central Nordic Seas were affected by a last major freshwater plume which probably originated from the Arctic Ocean. When major ice rafting had ceased around 11ka subsurface temperatures started to rise. However, Atlantic Water advection and subsurface temperatures reached their maximum in the central Nordic Seas later than along the eastern continental margin. That spatio-temporal offset is explained by a gradual re-routing and westward expansion of the Atlantic Water flow during times when the Greenland Sea gyre system became more steadily established. In the Greenland Basin, the Holocene thermal maximum ended c. 5.5ka, and time-coeveal with an increase in sea-ice export from the Arctic. In the Lofoten Basin the cooling occurred later, after 4ka, and together with a weakening of the overturning processes. The Neoglacial cooling was reached c. 3ka, together with low solar irradiance, expanding sea ice and a slight decrease in deep convection. At c. 2ka subsurface temperatures began to rise again due to an increasing influence of Atlantic Waters. |
format |
Article in Journal/Newspaper |
author |
Telesinski, Maciej M. Bauch, Henning A. Spielhagen, Robert F. Kandiano, Evgeniya S. |
spellingShingle |
Telesinski, Maciej M. Bauch, Henning A. Spielhagen, Robert F. Kandiano, Evgeniya S. Evolution of the central Nordic Seas over the last 20 thousand years |
author_facet |
Telesinski, Maciej M. Bauch, Henning A. Spielhagen, Robert F. Kandiano, Evgeniya S. |
author_sort |
Telesinski, Maciej M. |
title |
Evolution of the central Nordic Seas over the last 20 thousand years |
title_short |
Evolution of the central Nordic Seas over the last 20 thousand years |
title_full |
Evolution of the central Nordic Seas over the last 20 thousand years |
title_fullStr |
Evolution of the central Nordic Seas over the last 20 thousand years |
title_full_unstemmed |
Evolution of the central Nordic Seas over the last 20 thousand years |
title_sort |
evolution of the central nordic seas over the last 20 thousand years |
publisher |
Elsevier |
publishDate |
2015 |
url |
https://oceanrep.geomar.de/id/eprint/27647/ https://oceanrep.geomar.de/id/eprint/27647/1/Telesinski%20et.al.pdf https://doi.org/10.1016/j.quascirev.2015.05.013 |
long_lat |
ENVELOPE(4.000,4.000,70.000,70.000) ENVELOPE(-5.000,-5.000,73.500,73.500) |
geographic |
Arctic Arctic Ocean Lofoten Greenland Lofoten Basin Greenland Basin |
geographic_facet |
Arctic Arctic Ocean Lofoten Greenland Lofoten Basin Greenland Basin |
genre |
Arctic Arctic Ocean Greenland Greenland Sea Lofoten Nordic Seas Sea ice |
genre_facet |
Arctic Arctic Ocean Greenland Greenland Sea Lofoten Nordic Seas Sea ice |
op_relation |
https://oceanrep.geomar.de/id/eprint/27647/1/Telesinski%20et.al.pdf Telesinski, M. M., Bauch, H. A. , Spielhagen, R. F. and Kandiano, E. S. (2015) Evolution of the central Nordic Seas over the last 20 thousand years. Quaternary Science Reviews, 121 . pp. 98-109. DOI 10.1016/j.quascirev.2015.05.013 <https://doi.org/10.1016/j.quascirev.2015.05.013>. doi:10.1016/j.quascirev.2015.05.013 |
op_rights |
info:eu-repo/semantics/restrictedAccess |
op_doi |
https://doi.org/10.1016/j.quascirev.2015.05.013 |
container_title |
Quaternary Science Reviews |
container_volume |
121 |
container_start_page |
98 |
op_container_end_page |
109 |
_version_ |
1766331999893585920 |