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Through analysis of a hindcast integration of an eddy-resolving quasi-global ocean general circulation model, decadal variability in the Kuroshio-Oyashio Extension region is investigated, with particular emphasis on that of the subarctic (Oyashio) and the Kuroshio Extension (KE) fronts. The KE front...
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ftciteseerx:oai:CiteSeerX.psu:10.1.1.96.8357 2023-05-15T18:28:04+02:00 Corresponding author address: Masami Nonaka Youichi Tanimoto Hideharu Sasaki The Pennsylvania State University CiteSeerX Archives 2005 application/pdf http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.96.8357 http://eprints.lib.hokudai.ac.jp/dspace/bitstream/2115/13482/1/Nonaka_etal2006.pdf en eng http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.96.8357 http://eprints.lib.hokudai.ac.jp/dspace/bitstream/2115/13482/1/Nonaka_etal2006.pdf Metadata may be used without restrictions as long as the oai identifier remains attached to it. http://eprints.lib.hokudai.ac.jp/dspace/bitstream/2115/13482/1/Nonaka_etal2006.pdf text 2005 ftciteseerx 2016-01-08T20:02:34Z Through analysis of a hindcast integration of an eddy-resolving quasi-global ocean general circulation model, decadal variability in the Kuroshio-Oyashio Extension region is investigated, with particular emphasis on that of the subarctic (Oyashio) and the Kuroshio Extension (KE) fronts. The KE front is deep and accompanied by sharp sea surface height (SSH) gradient with modest sea surface temperature (SST) gradient. In contrast, the subarctic front is shallow and recognized as a zone of tight gradient in SST but not SSH. As a decadal-scale change from a warm period around 1970 to a cool period in the mid-1980s, those fronts in the model migrate southward as observed, and the associated pronounced cooling is confined mainly to those frontal zones. Reflecting the distinctive vertical structures of the fronts, the mixed-layer cooling is the strongest along the subarctic front, whereas the subsurface cooling and the associated salinity changes are the most pronounced along the KE front. Concomitantly with their southward migration, the two fronts have undergone decadal-scale intensification. Associated with reduced heat release into the atmosphere, the cooling in the frontal zones can be attributed neither to the direct atmospheric thermal forcing nor Text Subarctic Unknown Oyashio ENVELOPE(157.000,157.000,50.000,50.000) |
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English |
description |
Through analysis of a hindcast integration of an eddy-resolving quasi-global ocean general circulation model, decadal variability in the Kuroshio-Oyashio Extension region is investigated, with particular emphasis on that of the subarctic (Oyashio) and the Kuroshio Extension (KE) fronts. The KE front is deep and accompanied by sharp sea surface height (SSH) gradient with modest sea surface temperature (SST) gradient. In contrast, the subarctic front is shallow and recognized as a zone of tight gradient in SST but not SSH. As a decadal-scale change from a warm period around 1970 to a cool period in the mid-1980s, those fronts in the model migrate southward as observed, and the associated pronounced cooling is confined mainly to those frontal zones. Reflecting the distinctive vertical structures of the fronts, the mixed-layer cooling is the strongest along the subarctic front, whereas the subsurface cooling and the associated salinity changes are the most pronounced along the KE front. Concomitantly with their southward migration, the two fronts have undergone decadal-scale intensification. Associated with reduced heat release into the atmosphere, the cooling in the frontal zones can be attributed neither to the direct atmospheric thermal forcing nor |
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The Pennsylvania State University CiteSeerX Archives |
format |
Text |
author |
Masami Nonaka Youichi Tanimoto Hideharu Sasaki |
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Masami Nonaka Youichi Tanimoto Hideharu Sasaki Corresponding author address: |
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Masami Nonaka Youichi Tanimoto Hideharu Sasaki |
author_sort |
Masami Nonaka |
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2005 |
url |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.96.8357 http://eprints.lib.hokudai.ac.jp/dspace/bitstream/2115/13482/1/Nonaka_etal2006.pdf |
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ENVELOPE(157.000,157.000,50.000,50.000) |
geographic |
Oyashio |
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Oyashio |
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Subarctic |
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Subarctic |
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http://eprints.lib.hokudai.ac.jp/dspace/bitstream/2115/13482/1/Nonaka_etal2006.pdf |
op_relation |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.96.8357 http://eprints.lib.hokudai.ac.jp/dspace/bitstream/2115/13482/1/Nonaka_etal2006.pdf |
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Metadata may be used without restrictions as long as the oai identifier remains attached to it. |
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1766210404431691776 |