Vertical Eddy Energy Fluxes in the North Atlantic Subtropical and Subpolar Gyres

Eddy energy generation and energy fluxes are examined in a realistic eddy-resolving model of the North Atlantic. Over 80% of the wind energy input is found to be released by the generation of eddies through baroclinic instability. The eddy energy generation is located near the surface in the subtrop...

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Veröffentlicht in:	Journal of physical oceanography 2013, Vol.43 (1), p.95-103
Hauptverfasser:	XIAOMING ZHAI, MARSHALL, David P
Format:	Artikel
Sprache:	eng
Schlagworte:	Baroclinic instability Dynamics of the ocean (upper and deep oceans) Earth, ocean, space Eddies Energy Energy flux Energy resources Energy transfer Exact sciences and technology External geophysics Fluxes General circulation models Gyres Marine Ocean circulation Oceans Physics of the oceans Studies Vertical profiles Vortices Wind power
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Beschreibung
Zusammenfassung:	Eddy energy generation and energy fluxes are examined in a realistic eddy-resolving model of the North Atlantic. Over 80% of the wind energy input is found to be released by the generation of eddies through baroclinic instability. The eddy energy generation is located near the surface in the subtropical gyre but deeper down in the subpolar gyre. To reconcile the mismatch between the depth of eddy energy production and the vertical structure of the horizontal dispersion of eddy energy, the vertical eddy energy flux is downward in the subtropical gyre and upward in the subpolar gyre.
ISSN:	0022-3670 1520-0485
DOI:	10.1175/JPO-D-12-021.1