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vol.60 suppl.2Clima y temperatura sub-superficial del mar en Bahía Culebra, Golfo de Papagayo, Costa RicaImpact of upwelling events on the sea water carbonate chemistry and dissolved oxygen concentration in the Gulf of Papagayo (Culebra Bay), Costa Rica: Implications for coral reefs índice de autoresíndice de materiabúsqueda de artículos
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Revista de Biología Tropical

versión On-line ISSN 0034-7744versión impresa ISSN 0034-7744

Resumen

ALFARO, Eric J.  y  CORTES, Jorge. Atmospheric forcing of cool subsurface water events in Bahía Culebra, Gulf of Papagayo, Costa Rica. Rev. biol. trop [online]. 2012, vol.60, suppl.2, pp.173-186. ISSN 0034-7744.

Bahía Culebra, at Gulf of Papagayo on the north Pacific coast of Costa Rica, is an area of seasonal upwelling where more intense cooling events may occur during some boreal winter weeks mainly. To study these extreme cool events, records of nine sea subsurface temperature stations from 1998 to 2010 were analyzed. Five events associated with extremely cool temperatures in this region were identified from these records and taken as study cases. Sea temperatures decreased about 8-9ºC during these events and occurred while cold fronts were present in the Caribbean, with strong trade wind conditions over Central America. These strong wind conditions may have favored the offshore displacement of the sea surface water. The axis of Bahía Culebra runs northeastsouthwest, a condition that favors and triggers cool water events, mainly because the displaced water is replaced by water from deeper levels.

Palabras clave : Bahía Culebra; Gulf of Papagayo; Costa Rica; subsurface temperature; upwelling; cold frontsoutbreaks; Central America.

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