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Circulation de bord ouest de l'Atlantique Sud: analyse d'observations lagrangiennes et hydrologiques
Provedor de dados: 5
Autores: Legeais, Jean-francois.
The "World Ocean Circulation experiment" (WOCE) program in the 1990s has produced the equivalent of 300 years of subsurface floats trajectories within the Antarctic Intermediate Water (AAIW) at 800dbar in the South Atlantic ocean, and several hydrological transects. In order to compute the western boundary circulation, the flow is vertically extrapolated by referencing geostrophic hydrological profiles to float speeds. Several transects normal to the continental slope and another one parallel to it off the coast give transports of the water masses with a good transversal and longitudinal resolutions. Floats at 800dbar sampled the Intermediate Western Boundary Current (IWBC) particularly well, and enable one to analyse it from 28°S at the bifurcation of the...
Tipo: Text
Palavras-chave: Mesoscale activity; Bathymetry; Hydrological transect; IWBC; AAIW; Western boundary; South Atlantic; Lagrangian floats; Activité de méso échelle; Bathymétrie; Radiale hydrologique; IWBC; AAIW; Bord ouest; Atlantique Sud; Flotteur lagrangien.
Ano: 2008
URL: http://archimer.ifremer.fr/doc/2008/these-6177.pdf