Role of the Bering Strait on the hysteresis of the ocean conveyor belt circulation and glacial climate stability
Abrupt climate transitions, known as Dansgaard-Oeschger and Heinrich events, occurred frequently during the last glacial period, specifically from 80–11 thousand years before present, but were nearly absent during interglacial periods and the early stages of glacial periods, when major ice-sheets we...
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Language: | English |
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Online Access: | http://nldr.library.ucar.edu/repository/collections/OSGC-000-000-010-438 https://doi.org/10.1073/pnas.1116014109 |
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ftncar:oai:drupal-site.org:articles_11735 2023-09-05T13:17:21+02:00 Role of the Bering Strait on the hysteresis of the ocean conveyor belt circulation and glacial climate stability Hu, Aixue (author) Meehl, Gerald (author) Han, Weiqing (author) Timmermann, Axel (author) Otto-Bliesner, Bette (author) Liu, Zhengyu (author) Washington, Warren (author) Large, William (author) Abe-Ouchi, Ayako (author) Kimoto, Masahide (author) Lambeck, Kurt (author) Wu, Bingyi (author) 2012-04-09 http://nldr.library.ucar.edu/repository/collections/OSGC-000-000-010-438 https://doi.org/10.1073/pnas.1116014109 en eng Proceedings of the National Academy of Sciences of the United States of America http://nldr.library.ucar.edu/repository/collections/OSGC-000-000-010-438 doi:10.1073/pnas.1116014109 ark:/85065/d79887n4 Copyright 2012 Author(s). Published under license by the National Academy of Sciences. PRIOR to 2009 (i.e. 1993-2008) use Copyright YYYY National Academy of Sciences. Text article 2012 ftncar https://doi.org/10.1073/pnas.1116014109 2023-08-14T18:38:18Z Abrupt climate transitions, known as Dansgaard-Oeschger and Heinrich events, occurred frequently during the last glacial period, specifically from 80–11 thousand years before present, but were nearly absent during interglacial periods and the early stages of glacial periods, when major ice-sheets were still forming. Here we show, with a fully coupled state-of-the-art climate model, that closing the Bering Strait and preventing its throughflow between the Pacific and Arctic Oceans during the glacial period can lead to the emergence of stronger hysteresis behavior of the ocean conveyor belt circulation to create conditions that are conducive to triggering abrupt climate transitions. Hence, it is argued that even for greenhouse warming, abrupt climate transitions similar to those in the last glacial time are unlikely to occur as the Bering Strait remains open. Article in Journal/Newspaper Arctic Bering Strait OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research) Arctic Bering Strait Pacific Proceedings of the National Academy of Sciences 109 17 6417 6422 |
institution |
Open Polar |
collection |
OpenSky (NCAR/UCAR - National Center for Atmospheric Research/University Corporation for Atmospheric Research) |
op_collection_id |
ftncar |
language |
English |
description |
Abrupt climate transitions, known as Dansgaard-Oeschger and Heinrich events, occurred frequently during the last glacial period, specifically from 80–11 thousand years before present, but were nearly absent during interglacial periods and the early stages of glacial periods, when major ice-sheets were still forming. Here we show, with a fully coupled state-of-the-art climate model, that closing the Bering Strait and preventing its throughflow between the Pacific and Arctic Oceans during the glacial period can lead to the emergence of stronger hysteresis behavior of the ocean conveyor belt circulation to create conditions that are conducive to triggering abrupt climate transitions. Hence, it is argued that even for greenhouse warming, abrupt climate transitions similar to those in the last glacial time are unlikely to occur as the Bering Strait remains open. |
author2 |
Hu, Aixue (author) Meehl, Gerald (author) Han, Weiqing (author) Timmermann, Axel (author) Otto-Bliesner, Bette (author) Liu, Zhengyu (author) Washington, Warren (author) Large, William (author) Abe-Ouchi, Ayako (author) Kimoto, Masahide (author) Lambeck, Kurt (author) Wu, Bingyi (author) |
format |
Article in Journal/Newspaper |
title |
Role of the Bering Strait on the hysteresis of the ocean conveyor belt circulation and glacial climate stability |
spellingShingle |
Role of the Bering Strait on the hysteresis of the ocean conveyor belt circulation and glacial climate stability |
title_short |
Role of the Bering Strait on the hysteresis of the ocean conveyor belt circulation and glacial climate stability |
title_full |
Role of the Bering Strait on the hysteresis of the ocean conveyor belt circulation and glacial climate stability |
title_fullStr |
Role of the Bering Strait on the hysteresis of the ocean conveyor belt circulation and glacial climate stability |
title_full_unstemmed |
Role of the Bering Strait on the hysteresis of the ocean conveyor belt circulation and glacial climate stability |
title_sort |
role of the bering strait on the hysteresis of the ocean conveyor belt circulation and glacial climate stability |
publishDate |
2012 |
url |
http://nldr.library.ucar.edu/repository/collections/OSGC-000-000-010-438 https://doi.org/10.1073/pnas.1116014109 |
geographic |
Arctic Bering Strait Pacific |
geographic_facet |
Arctic Bering Strait Pacific |
genre |
Arctic Bering Strait |
genre_facet |
Arctic Bering Strait |
op_relation |
Proceedings of the National Academy of Sciences of the United States of America http://nldr.library.ucar.edu/repository/collections/OSGC-000-000-010-438 doi:10.1073/pnas.1116014109 ark:/85065/d79887n4 |
op_rights |
Copyright 2012 Author(s). Published under license by the National Academy of Sciences. PRIOR to 2009 (i.e. 1993-2008) use Copyright YYYY National Academy of Sciences. |
op_doi |
https://doi.org/10.1073/pnas.1116014109 |
container_title |
Proceedings of the National Academy of Sciences |
container_volume |
109 |
container_issue |
17 |
container_start_page |
6417 |
op_container_end_page |
6422 |
_version_ |
1776198555039432704 |