In:
Journal of Geophysical Research: Oceans, American Geophysical Union (AGU), Vol. 104, No. C9 ( 1999-09-15), p. 20971-20985
Abstract:
A field program to study the circulation of the Benguela Current and its extension into the southeastern Atlantic Ocean has completed the survey and instrument deployment phase. We report here new observations of three Agulhas rings north and west of Cape Town, South Africa. Three mesoscale anticyclonic rings initially identified by means of TOPEX/POSEIDON altimetry were surveyed with expendable bathythermographs, conductivity‐temperature‐depth‐oxygen profiles, direct current measurements from a lowered acoustic Doppler current profiler, a hull‐mounted acoustic Doppler current profiler, and satellite‐tracked surface drifters. Characteristics of the rings are presented, and their origins are discussed. Two are typical Agulhas rings surveyed at different times after their generation; the third Agulhas ring has an anomalous water mass structure whose most likely origin is the Subtropical Front.
Type of Medium:
Online Resource
ISSN:
0148-0227
DOI:
10.1029/1999JC900060
Language:
English
Publisher:
American Geophysical Union (AGU)
Publication Date:
1999
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