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	Provedor de dados ArchiMer (3) Autor Ansorge, I (2) Speich, Sabrina (2) Arhan, Michel (1) Church, J (1) Fahrbach, E (1) Garzoli, S (1) Gladyshev, S (1) Goni, G (1) Klepikov, A (1) Legeais, Jean-francois (1) Lutjeharms, J (1) Rintoul, Sr (1) Sokolov, S (1) Swart, S (1) Mais... Palavra-chave Baroclinic transport (3) Antarctic Circumpolar Current (2) Antarctic circumpolar Current (1) Geostrophic current (1) Interannual variability (1) Satellite altimeter (1) Satellite altimetry (1) Water masses (1) XBT (1) Mais... Tipo do documento Text (3) Ano 2008 (1) 2005 (1) 2002 (1) País France (3) Idioma Inglês (3)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 3 Primeira ... 1 ... Última The baroclinic transport of the Antarctic Circumpolar Current south of Africa ArchiMer Legeais, Jean-francois; Speich, Sabrina; Arhan, Michel; Ansorge, I; Fahrbach, E; Garzoli, S; Klepikov, A. Five hydrographic transects at nominal longitudes 0 degrees E and 30 degrees E, and fourteen expendable bathythermograph (XBT) sections near the former longitude are used to study the baroclinic transport of the Antarctic Circumpolar Current (ACC) between Africa and Antarctica. The bottom-referenced geostrophic transport between the Subtropical Front and the ACC Southern Boundary is 147 +/- 10 Sv. Estimating the transport from the XBTs using a technique previously employed south of Australia proves delicate because of an irregular bathymetry and water mass variations. It nevertheless confirms ACC transports around 150 Sv. Gathering these and other estimates from the Atlantic sector suggests that, while North Atlantic Deep Water is injected in the current... Tipo: Text Palavras-chave: Water masses; Geostrophic current; Antarctic circumpolar Current; Baroclinic transport. Ano: 2005 URL: http://archimer.ifremer.fr/doc/2005/publication-933.pdf A 6 year record of baroclinic transport variability of the Antarctic Circumpolar Current at 140 degrees E derived from expendable bathythermograph and altimeter measurements ArchiMer Rintoul, Sr; Sokolov, S; Church, J. Repeat hydrographic sections across the Antarctic Circumpolar Current are used to derive an empirical relationship between upper ocean temperature and the baroclinic transport stream function. Cross validation shows this relationship can be used to infer baroclinic transport (above and relative to 2500 dbar) from temperature measurements with an error of a few per cent. The mean transport distribution derived from 31 austral summer expendable bathythermograph (XBT) sections over a 6 year period consists of westward flow immediately south of Tasmania, a broad band of strong eastward flow between 50degrees and 55degreesS, and three cores of eastward flow south of 55degreesS. By defining a second empirical relationship between surface dynamic height and... Tipo: Text Palavras-chave: Baroclinic transport; Antarctic Circumpolar Current; Interannual variability; Satellite altimeter; XBT. Ano: 2002 URL: https://archimer.ifremer.fr/doc/00223/33444/31832.pdf Transport and variability of the antarctic circumpolar current South of Africa ArchiMer Swart, S; Speich, Sabrina; Ansorge, I; Goni, G; Gladyshev, S; Lutjeharms, J. Data from five CTD and 18 XBT sections are used to estimate the baroclinic transport ( referenced to 2500 dbar) of the ACC south of Africa. Surface dynamic height is derived from XBT data by establishing an empirical relationship between vertically integrated temperature and surface dynamic height calculated from CTD data. This temperature-derived dynamic height data compare closely with dynamic heights calculated from CTD data ( average RMS difference = 0.05 dyn m). A second empirical relationship between surface dynamic height and cumulative baroclinic transport is defined, allowing us to study a more extensive time series of baroclinic transport derived from upper ocean temperature sections. From 18 XBT transects of the ACC, the average baroclinic... Tipo: Text Palavras-chave: Satellite altimetry; Antarctic Circumpolar Current; Baroclinic transport. Ano: 2008 URL: http://archimer.ifremer.fr/doc/2008/publication-4700.pdf Registros recuperados: 3 Primeira ... 1 ... Última

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