Variabilidad hidrográfica en Bahía de La Paz, Golfo de California, México (1995-2005)

Translated title of the contribution: Hydrographic variability in Bahia de La Paz, Gulf of California, Mexico (1995-2005)

Maclovio Obeso-Nieblas, Bernardo Shirasago-Germán, Juan Gaviño-Rodríguez, Edgar Perez-Lezama, Hipólito Obeso-Huerta, Ángel Jiménez-Illescas1

Research output: Contribution to journalArticlepeer-review

27 Scopus citations

Abstract

This study analyzes the hydrological variability in Bahia de La Paz, the largest bay in the Gulf of California. The hydrographic data were obtained in different seasons between 1995 and 2005. A persistent spatial and seasonal variability in temperature and salinity occurred in the bay during the study. In springs and summers, an absence of a mixed layer and the presence of a sharp thermocline were observed, while in autumns and winters the presence of a mixed layer and a less intense thermocline was noticeable. There was not a defined pattern in relation to the salinity variation because this depended on the water masses present in the region. In fact, when Equatorial Surface Water intruded into the bay, a considerable salinity decrease was recorded which originated the absence of the halocline, as observed during El Niño 1997- 1998. El Niño event produced warming waters in the entire column of the bay, having its stronger effects during summer 1997, with a temperature increment of 2°C. Stratification in the bay depends on the water masses present but not on the seasons of the year.

Translated title of the contributionHydrographic variability in Bahia de La Paz, Gulf of California, Mexico (1995-2005)
Original languageSpanish
Pages (from-to)559-567
Number of pages9
JournalRevista de Biologia Marina y Oceanografia
Volume43
Issue number3
StatePublished - 1 Dec 2008
Externally publishedYes

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