Roemmich D., Morris M., Young W.R., Donguy Jean-René. (1994). Fresh equatorial jets. Journal of Physical Oceanography, 24 (3), p. 540-558. ISSN 0022-3670.
Titre du document
Fresh equatorial jets
Année de publication
1994
Type de document
Article
Auteurs
Roemmich D., Morris M., Young W.R., Donguy Jean-René
Source
Journal of Physical Oceanography, 1994,
24 (3), p. 540-558 ISSN 0022-3670
A vertically sheared eastward jet in the Equatorial pacific in late 1991 and early 1992 carried relatively fresh water from the Western Pacific overriding the saltier surface layer of the central region. Salinity anomalies of about -1.0 psu were observed over a period of several months in a surface layer 50 m thick near the equator. Below this fresh layer there was a steep halocline having very little temperature stratification, so that the density changes were dominated by salinity. In December 1991, eastward surface velocities in the fresh jet at 170°W were 100 cm s-1 with a shear of about 40 cm s-1 in the top 100 m; the core of the jet was about 200 km in width, centered at 1.5°S. The jet decayed and vanished over the next few months, though the surface halocline remained. (D'après résumé d'auteur)
