Seasonal hydrodynamical features on the continental shelf of Colima (west coast of Mexico)

• Autores: José de Jesús Salas Pérez, Damià Gomis Bosch, Aramis Olivos-ortiz, Geraldine García-Uribe
• Localización: Scientia Marina, ISSN 0214-8358, Vol. 70, Nº. 4, 2006, págs. 719-726
• Idioma: inglés
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• Resumen

  • Four high-resolution hydrographic surveys were carried out in 2002 on the continental shelf of Colima, Pacific coast of Mexico. The data collected revealed the presence of cyclonic and anticyclonic eddy-like features covering the whole extension of the shelf, which is a rather different pattern from the along-shore general circulation described in previous works. Despite the apparent complexity of the circulation features, the overall shelf-slope exchange pattern is similar in autumn and winter and the opposite in spring. In summer the exchanges also have a similar distribution to autumn and winter, but they are restricted to the upper layers. This suggests that the observed circulation features could result from the interaction between the large-scale seasonal circulation and some kind of local forcing.