Recent trends in sea surface temperature off Mexico |
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| Authors: | SE Lluch-Cota M Tripp-Valdez DB Lluch-Cota JJ Bautista-Romero D Lluch-Belda J Verbesselt H Herrera-Cervantes |
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| Institution: | Centro de Investigaciones Biológicas del Noroeste (CIBNOR), A.P. 128, 23000 La Paz, Baja California Sur, México;Centro Interdisciplinario de Ciencias Marinas, Instituto Politécnico Nacional (CICIMAR-IPN), A P. 592, 23000 La Paz, Baja California Sur, México;Wageningen University and Research Centre, Laboratory of Geo-information Science and Remote Sensing, P.O. Box 47, 6700AA Wageningen, The Netherlands;Centro de Investigación Científica y Educación Superior de Ensenada, Unidad Baja California Sur (CICESE-La Paz), Miraflores 334, Fracc. Bella Vista, 23050 La Paz, Baja California Sur, México |
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| Abstract: | Changes in global mean sea surface temperature may have potential negative implications for natural and socioeconomic systems; however, measurements to predict trends in different regions have been limited and sometimes contradictory. In this study, an assessment of sea surface temperature change signals in the seas off Mexico is presented and compared to other regions and the world ocean, and to selected basin scale climatic indices of the North Pacific, the Atlantic and the tropical Pacific variability. We identified eight regions with different exposure to climate variability: In the Pacific, the west coast of the Baja California peninsula with mostly no trend, the Gulf of California with a modest cooling trend during the last 20 to 25 years, the oceanic area with the most intense recent cooling trend, the southern part showing an intense warming trend, and a band of no trend setting the boundary between North-Pacific and tropical-Pacific variability patterns; in the Atlantic, the northeast Gulf of Mexico shows cooling, while the western Gulf of Mexico and the Caribbean have been warming for more than three decades. Potential interactions with fisheries and coastal sensitive ecosystems are discussed. |
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| Keywords: | Climate change trends ocean temperatures regional scale |
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