Barents Sea Inflow Shutdown: A New Mechanism for Rapid Climate Changes
A new mechanism for rapid climate transitions in the high latitudes is presented which involves complex ocean-sea ice-atmosphere interactions. A shutdown of the Barents Sea Inflow (BSI) which carries a vast amount of heat into the Arctic Ocean is at the heart of the mechanism. The BSI shutdown is st...
Published in: | Geophysical Research Letters |
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Language: | English |
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AGU (American Geophysical Union)
2009
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Online Access: | https://oceanrep.geomar.de/id/eprint/6218/ https://oceanrep.geomar.de/id/eprint/6218/1/2009GL038911.pdf https://doi.org/10.1029/2009GL038911 |
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ftoceanrep:oai:oceanrep.geomar.de:6218 2023-12-10T09:45:04+01:00 Barents Sea Inflow Shutdown: A New Mechanism for Rapid Climate Changes Semenov, Vladimir Park, Wonsun Latif, Mojib 2009 text https://oceanrep.geomar.de/id/eprint/6218/ https://oceanrep.geomar.de/id/eprint/6218/1/2009GL038911.pdf https://doi.org/10.1029/2009GL038911 en eng AGU (American Geophysical Union) https://oceanrep.geomar.de/id/eprint/6218/1/2009GL038911.pdf Semenov, V., Park, W. and Latif, M. (2009) Barents Sea Inflow Shutdown: A New Mechanism for Rapid Climate Changes. Open Access Geophysical Research Letters, 36 . L14709. DOI 10.1029/2009GL038911 <https://doi.org/10.1029/2009GL038911>. doi:10.1029/2009GL038911 info:eu-repo/semantics/openAccess Article PeerReviewed 2009 ftoceanrep https://doi.org/10.1029/2009GL038911 2023-11-13T00:22:42Z A new mechanism for rapid climate transitions in the high latitudes is presented which involves complex ocean-sea ice-atmosphere interactions. A shutdown of the Barents Sea Inflow (BSI) which carries a vast amount of heat into the Arctic Ocean is at the heart of the mechanism. The BSI shutdown is studied in a multi-millennium integration with a global climate model forced by periodically (1000 yr) varying solar constant (+/- 2 W/m(2)). A positive feedback between the inflow and sea ice cover is revealed in the model, which triggers rapid climate changes. The BSI shutdown events are associated with strong cooling in the northern latitudes and subsequent rearrangement of the Arctic Ocean surface current system. The results reveal the existence of a bifurcation point in the Arctic climate system and demonstrate that rapid climate transitions may be caused by local feedbacks and restricted to confined areas without significant global impacts. Citation: Semenov, V. A., W. Park, and M. Latif (2009), Barents Sea inflow shutdown: A new mechanism for rapid climate changes, Geophys. Res. Lett., 36, L14709, doi:10.1029/2009GL038911. Article in Journal/Newspaper Arctic Arctic Ocean Barents Sea Sea ice OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel) Arctic Arctic Ocean Barents Sea Geophysical Research Letters 36 14 |
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Open Polar |
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OceanRep (GEOMAR Helmholtz Centre für Ocean Research Kiel) |
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ftoceanrep |
language |
English |
description |
A new mechanism for rapid climate transitions in the high latitudes is presented which involves complex ocean-sea ice-atmosphere interactions. A shutdown of the Barents Sea Inflow (BSI) which carries a vast amount of heat into the Arctic Ocean is at the heart of the mechanism. The BSI shutdown is studied in a multi-millennium integration with a global climate model forced by periodically (1000 yr) varying solar constant (+/- 2 W/m(2)). A positive feedback between the inflow and sea ice cover is revealed in the model, which triggers rapid climate changes. The BSI shutdown events are associated with strong cooling in the northern latitudes and subsequent rearrangement of the Arctic Ocean surface current system. The results reveal the existence of a bifurcation point in the Arctic climate system and demonstrate that rapid climate transitions may be caused by local feedbacks and restricted to confined areas without significant global impacts. Citation: Semenov, V. A., W. Park, and M. Latif (2009), Barents Sea inflow shutdown: A new mechanism for rapid climate changes, Geophys. Res. Lett., 36, L14709, doi:10.1029/2009GL038911. |
format |
Article in Journal/Newspaper |
author |
Semenov, Vladimir Park, Wonsun Latif, Mojib |
spellingShingle |
Semenov, Vladimir Park, Wonsun Latif, Mojib Barents Sea Inflow Shutdown: A New Mechanism for Rapid Climate Changes |
author_facet |
Semenov, Vladimir Park, Wonsun Latif, Mojib |
author_sort |
Semenov, Vladimir |
title |
Barents Sea Inflow Shutdown: A New Mechanism for Rapid Climate Changes |
title_short |
Barents Sea Inflow Shutdown: A New Mechanism for Rapid Climate Changes |
title_full |
Barents Sea Inflow Shutdown: A New Mechanism for Rapid Climate Changes |
title_fullStr |
Barents Sea Inflow Shutdown: A New Mechanism for Rapid Climate Changes |
title_full_unstemmed |
Barents Sea Inflow Shutdown: A New Mechanism for Rapid Climate Changes |
title_sort |
barents sea inflow shutdown: a new mechanism for rapid climate changes |
publisher |
AGU (American Geophysical Union) |
publishDate |
2009 |
url |
https://oceanrep.geomar.de/id/eprint/6218/ https://oceanrep.geomar.de/id/eprint/6218/1/2009GL038911.pdf https://doi.org/10.1029/2009GL038911 |
geographic |
Arctic Arctic Ocean Barents Sea |
geographic_facet |
Arctic Arctic Ocean Barents Sea |
genre |
Arctic Arctic Ocean Barents Sea Sea ice |
genre_facet |
Arctic Arctic Ocean Barents Sea Sea ice |
op_relation |
https://oceanrep.geomar.de/id/eprint/6218/1/2009GL038911.pdf Semenov, V., Park, W. and Latif, M. (2009) Barents Sea Inflow Shutdown: A New Mechanism for Rapid Climate Changes. Open Access Geophysical Research Letters, 36 . L14709. DOI 10.1029/2009GL038911 <https://doi.org/10.1029/2009GL038911>. doi:10.1029/2009GL038911 |
op_rights |
info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.1029/2009GL038911 |
container_title |
Geophysical Research Letters |
container_volume |
36 |
container_issue |
14 |
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1784888297772810240 |