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| Titel |
On the wind power input to the ocean general circulation |
| VerfasserIn |
Xiaoming Zhai, Helen Johnson, David Marshall, Carl Wunsch |
| Konferenz |
EGU General Assembly 2013
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| Medientyp |
Artikel
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| Sprache |
Englisch
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| Digitales Dokument |
PDF |
| Erschienen |
In: GRA - Volume 15 (2013) |
| Datensatznummer |
250071744
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| Zusammenfassung |
| The wind power input to the ocean general circulation is usually calculated from the time-averaged wind
products. Here, this wind power input is reexamined using available observations, focusing on the role of the
synoptically varying wind. Power input to the ocean general circulation is found to increase by over 70% when
6-hourly winds are used instead of monthly winds. Much of the increase occurs in the storm-track regions of
the Southern Ocean, Gulf Stream, and Kuroshio Extension. This result holds irrespective of whether the
ocean surface velocity is accounted for in the wind stress calculation. Depending on the fate of the high-frequency wind power input, the power input to the ocean general circulation relevant to deep-ocean mixing may be less than previously thought. This study emphasizes the difficulty of choosing appropriate forcing for ocean-only models. |
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