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Surfing wave climate variability.

Abstract: International surfing destinations are highly dependent on specific combinations of wind–wave formation, thermal conditions and local bathymetry. Surf quality depends on a vast number of geophysical variables, and analyses of surf quality require the consideration of the seasonal, interannual and long-term variability of surf conditions on a global scale. A multivariable standardized index based on expert judgment is proposed for this purpose. This index makes it possible to analyze surf conditions objectively over a global domain. A summary of global surf resources based on a new index integrating existing wave, wind, tides and sea surface temperature databases is presented. According to general atmospheric circulation and swell propagation patterns, results show that west-facing low to middle-latitude coasts are more suitable for surfing, especially those in the Southern Hemisphere.Month-to-month analysis reveals strong seasonal variations in the occurrence of surfable events, enhancing the frequency of such events in the North Atlantic and theNorth Pacific. Interannual variability was investigated by comparing occurrence values with global and regional modes of low-frequency climate variability such as El Niño and the North Atlantic Oscillation, revealing their strong influence at both the global and the regional scale. Results of the long-term trends demonstrate an increase in the probability of surfable events on west-facing coasts around the world in recent years. The resulting maps provide useful information for surfers, the surf tourism industry and surf-related coastal planners and stakeholders.

 Fuente: Global and Planetary Change, Volume 121, October 2014, Pages 19–25

Editorial: Elsevier

 Año de publicación: 2014

Nº de páginas: 7

Tipo de publicación: Artículo de Revista

 DOI: 10.1016/j.gloplacha.2014.06.006

ISSN: 0921-8181,1872-6364

Proyecto español: “IMAR21” (CTM2010-15009)

Url de la publicación: http://dx.doi.org/10.1016/j.gloplacha.2014.06.006