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	Author	Rosemary Morrow, Aurore Brut, Alexis Chaigneau
	Title	Seasonal and interannual variations of the upper ocean energetics between Tasmania and Antarctica			Type	Journal
	Year	2003	Publication	Deep Sea Research Part I: Oceanographic Research Papers	Abbreviated Journal
	Volume	50	Issue	3	Pages	339-356
	Keywords	Altimetry Eddy heat flux Eddy kinetic energy Southern Ocean XBT data
	Abstract	Nine years of Topex/Poseidon and ERS satellite altimetry and XBT data from the SURVOSTRAL program were used to analyze the seasonal and interannual variations of the eddy energetics in terms of its spatial distribution and relation with the upper ocean heat content. Eddy kinetic energy is calculated in two frequency bands one associated with transient and the other with low-frequency variability. The two eddy components have distinct geographical distribution. At the SURVOSTRAL line, the transient eddy energy is twice the low-frequency energy, with maximum transient energy occurring during the austral summer period and maximum low-frequency energy in winter. The site is one of growing eddy energy. Eddy momentum flux is northward over the SURVOSTRAL line, and the summertime eddy heat flux is poleward across the Subantarctic and Subtropical Fronts, and equatorward either side of the fronts. Eddy fluxes are strongly influenced by their position relative to the bathymetry and the mean current.
	Programme	694
	Campaign
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language		Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	0967-0637	ISBN		Medium
	Area		Expedition		Conference
	Notes				Approved	yes
	Call Number				Serial	8242
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