In:
Journal of Geophysical Research: Oceans, American Geophysical Union (AGU), Vol. 93, No. C7 ( 1988-07-15), p. 8111-8118
Abstract:
The eastern part of the North Atlantic subtropical gyre is found in the region between the Azores and the Cape Verde Islands. A study of the gyre structure in the area east of 35°W between 8°N and 41°N is presented. The geostrophic flow field determined from historical temperature‐salinity data sets by objective analysis indicates seasonal variations in shape but no significant changes in the magnitude of volume transports. The eastern part of the gyre has a larger east‐west and smaller north‐south extension in summer compared with the winter season. The center shifts by about 2° latitude to the south from winter to summer. Long‐term temperature time series (6.5 years) from a mooring near the Azores are consistent with these results, showing always a consistent temperature increase at the beginning of the year which is apparently due to the displacement of the northeastern part of the gyre. A comparison between the mean flow fields and fields obtained from individual zonal sections indicates large deviations north and south of the gyre but small deviations within the gyre.
Type of Medium:
Online Resource
ISSN:
0148-0227
DOI:
10.1029/JC093iC07p08111
Language:
English
Publisher:
American Geophysical Union (AGU)
Publication Date:
1988
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