The exhaust valve of the North Atlantic
During glacial periods, climate records are marked by large-amplitude oscillations believed to be a result of North Atlantic (NA) freshwater anomalies, which weakened the thermohaline circulation (THC) and introduced instabilities. Such oscillations are absent from the present interglacial period. W...
Main Authors: | , |
---|---|
Format: | Article in Journal/Newspaper |
Language: | unknown |
Published: |
2004
|
Subjects: | |
Online Access: | https://ueaeprints.uea.ac.uk/id/eprint/30835/ https://doi.org/10.1175/1520-0442(2004)017<0417:TEVOTN>2.0.CO;2 |
id |
ftuniveastangl:oai:ueaeprints.uea.ac.uk:30835 |
---|---|
record_format |
openpolar |
spelling |
ftuniveastangl:oai:ueaeprints.uea.ac.uk:30835 2023-08-27T04:08:46+02:00 The exhaust valve of the North Atlantic de Boer, Agatha M. Nof, Doron 2004 https://ueaeprints.uea.ac.uk/id/eprint/30835/ https://doi.org/10.1175/1520-0442(2004)017<0417:TEVOTN>2.0.CO;2 unknown de Boer, Agatha M. and Nof, Doron (2004) The exhaust valve of the North Atlantic. Journal of Climate, 17 (3). pp. 417-422. ISSN 1520-0442 doi:10.1175/1520-0442(2004)017<0417:TEVOTN>2.0.CO;2 Article PeerReviewed 2004 ftuniveastangl https://doi.org/10.1175/1520-0442(2004)017<0417:TEVOTN>2.0.CO;2 2023-08-10T22:32:10Z During glacial periods, climate records are marked by large-amplitude oscillations believed to be a result of North Atlantic (NA) freshwater anomalies, which weakened the thermohaline circulation (THC) and introduced instabilities. Such oscillations are absent from the present interglacial period. With the aid of a semiglobal analytical model, it is proposed that the Bering Strait (BS) acts like an exhaust valve for the above NA freshwater anomalies. Specifically, it is suggested that large instabilities in the THC are only possible during glacial periods because, during these periods, the BS is closed. During interglacial periods (when the BS, the exhaust valve, is open), low-salinity anomalies are quickly flushed out of the North Atlantic by the strong Southern Ocean winds. Article in Journal/Newspaper Bering Strait North Atlantic Southern Ocean University of East Anglia: UEA Digital Repository Bering Strait Southern Ocean |
institution |
Open Polar |
collection |
University of East Anglia: UEA Digital Repository |
op_collection_id |
ftuniveastangl |
language |
unknown |
description |
During glacial periods, climate records are marked by large-amplitude oscillations believed to be a result of North Atlantic (NA) freshwater anomalies, which weakened the thermohaline circulation (THC) and introduced instabilities. Such oscillations are absent from the present interglacial period. With the aid of a semiglobal analytical model, it is proposed that the Bering Strait (BS) acts like an exhaust valve for the above NA freshwater anomalies. Specifically, it is suggested that large instabilities in the THC are only possible during glacial periods because, during these periods, the BS is closed. During interglacial periods (when the BS, the exhaust valve, is open), low-salinity anomalies are quickly flushed out of the North Atlantic by the strong Southern Ocean winds. |
format |
Article in Journal/Newspaper |
author |
de Boer, Agatha M. Nof, Doron |
spellingShingle |
de Boer, Agatha M. Nof, Doron The exhaust valve of the North Atlantic |
author_facet |
de Boer, Agatha M. Nof, Doron |
author_sort |
de Boer, Agatha M. |
title |
The exhaust valve of the North Atlantic |
title_short |
The exhaust valve of the North Atlantic |
title_full |
The exhaust valve of the North Atlantic |
title_fullStr |
The exhaust valve of the North Atlantic |
title_full_unstemmed |
The exhaust valve of the North Atlantic |
title_sort |
exhaust valve of the north atlantic |
publishDate |
2004 |
url |
https://ueaeprints.uea.ac.uk/id/eprint/30835/ https://doi.org/10.1175/1520-0442(2004)017<0417:TEVOTN>2.0.CO;2 |
geographic |
Bering Strait Southern Ocean |
geographic_facet |
Bering Strait Southern Ocean |
genre |
Bering Strait North Atlantic Southern Ocean |
genre_facet |
Bering Strait North Atlantic Southern Ocean |
op_relation |
de Boer, Agatha M. and Nof, Doron (2004) The exhaust valve of the North Atlantic. Journal of Climate, 17 (3). pp. 417-422. ISSN 1520-0442 doi:10.1175/1520-0442(2004)017<0417:TEVOTN>2.0.CO;2 |
op_doi |
https://doi.org/10.1175/1520-0442(2004)017<0417:TEVOTN>2.0.CO;2 |
_version_ |
1775349638278152192 |