On the effect of the North Atlantic Oscillation on temperature and salinity of the subpolar North Atlantic intermediate and deep waters
<qd> Sarafanov, A. 2009. On the effect of the North Atlantic Oscillation on temperature and salinity of the subpolar North Atlantic intermediate and deep waters. – ICES Journal of Marine Science, 66: 1448–1454. </qd>The close relationship between the observed water mass properties and th...
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fthighwire:oai:open-archive.highwire.org:icesjms:66/7/1448 2023-05-15T17:06:10+02:00 On the effect of the North Atlantic Oscillation on temperature and salinity of the subpolar North Atlantic intermediate and deep waters Sarafanov, Artem 2009-08-01 00:00:00.0 text/html http://icesjms.oxfordjournals.org/cgi/content/short/66/7/1448 https://doi.org/10.1093/icesjms/fsp094 en eng Oxford University Press http://icesjms.oxfordjournals.org/cgi/content/short/66/7/1448 http://dx.doi.org/10.1093/icesjms/fsp094 Copyright (C) 2009, International Council for the Exploration of the Sea/Conseil International pour l'Exploration de la Mer Articles TEXT 2009 fthighwire https://doi.org/10.1093/icesjms/fsp094 2009-11-22T20:52:34Z <qd> Sarafanov, A. 2009. On the effect of the North Atlantic Oscillation on temperature and salinity of the subpolar North Atlantic intermediate and deep waters. – ICES Journal of Marine Science, 66: 1448–1454. </qd>The close relationship between the observed water mass properties and the winter North Atlantic Oscillation (NAO) index (1950–2000s; r 2 ≈ 0.65) implies that changes in the NAO-related atmospheric forcing may account for up to two-thirds of thermohaline changes at the intermediate and deep levels in the subpolar North Atlantic on a decadal time-scale. Persistent NAO decline (amplification) results in increase (decrease) in temperature and salinity in the intermediate–deep water column. A general mechanism explaining the close link between the NAO and coherent decadal changes in the intermediate and deep-water temperature and salinity in the region is inferred from the observed changes in the regional circulation and water mass properties. Two factors dominate this link: (i) intensity of convection in the Labrador Sea controlling injection of relatively cold freshwater into the intermediate layer, and (ii) zonal extension of the Subpolar Gyre that regulates the relative contribution of cold fresh subpolar water and warm saline subtropical water to the deep-water formation. Text Labrador Sea North Atlantic North Atlantic oscillation HighWire Press (Stanford University) ICES Journal of Marine Science 66 7 1448 1454 |
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Articles Sarafanov, Artem On the effect of the North Atlantic Oscillation on temperature and salinity of the subpolar North Atlantic intermediate and deep waters |
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Articles |
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<qd> Sarafanov, A. 2009. On the effect of the North Atlantic Oscillation on temperature and salinity of the subpolar North Atlantic intermediate and deep waters. – ICES Journal of Marine Science, 66: 1448–1454. </qd>The close relationship between the observed water mass properties and the winter North Atlantic Oscillation (NAO) index (1950–2000s; r 2 ≈ 0.65) implies that changes in the NAO-related atmospheric forcing may account for up to two-thirds of thermohaline changes at the intermediate and deep levels in the subpolar North Atlantic on a decadal time-scale. Persistent NAO decline (amplification) results in increase (decrease) in temperature and salinity in the intermediate–deep water column. A general mechanism explaining the close link between the NAO and coherent decadal changes in the intermediate and deep-water temperature and salinity in the region is inferred from the observed changes in the regional circulation and water mass properties. Two factors dominate this link: (i) intensity of convection in the Labrador Sea controlling injection of relatively cold freshwater into the intermediate layer, and (ii) zonal extension of the Subpolar Gyre that regulates the relative contribution of cold fresh subpolar water and warm saline subtropical water to the deep-water formation. |
format |
Text |
author |
Sarafanov, Artem |
author_facet |
Sarafanov, Artem |
author_sort |
Sarafanov, Artem |
title |
On the effect of the North Atlantic Oscillation on temperature and salinity of the subpolar North Atlantic intermediate and deep waters |
title_short |
On the effect of the North Atlantic Oscillation on temperature and salinity of the subpolar North Atlantic intermediate and deep waters |
title_full |
On the effect of the North Atlantic Oscillation on temperature and salinity of the subpolar North Atlantic intermediate and deep waters |
title_fullStr |
On the effect of the North Atlantic Oscillation on temperature and salinity of the subpolar North Atlantic intermediate and deep waters |
title_full_unstemmed |
On the effect of the North Atlantic Oscillation on temperature and salinity of the subpolar North Atlantic intermediate and deep waters |
title_sort |
on the effect of the north atlantic oscillation on temperature and salinity of the subpolar north atlantic intermediate and deep waters |
publisher |
Oxford University Press |
publishDate |
2009 |
url |
http://icesjms.oxfordjournals.org/cgi/content/short/66/7/1448 https://doi.org/10.1093/icesjms/fsp094 |
genre |
Labrador Sea North Atlantic North Atlantic oscillation |
genre_facet |
Labrador Sea North Atlantic North Atlantic oscillation |
op_relation |
http://icesjms.oxfordjournals.org/cgi/content/short/66/7/1448 http://dx.doi.org/10.1093/icesjms/fsp094 |
op_rights |
Copyright (C) 2009, International Council for the Exploration of the Sea/Conseil International pour l'Exploration de la Mer |
op_doi |
https://doi.org/10.1093/icesjms/fsp094 |
container_title |
ICES Journal of Marine Science |
container_volume |
66 |
container_issue |
7 |
container_start_page |
1448 |
op_container_end_page |
1454 |
_version_ |
1766061184958595072 |