Warming of the Eurasian Landmass Is Making the Arabian Sea More Productive

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Science  22 Apr 2005:
Vol. 308, Issue 5721, pp. 545-547
DOI: 10.1126/science.1106610

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The recent trend of declining winter and spring snow cover over Eurasia is causing a land-ocean thermal gradient that is particularly favorable to stronger southwest (summer) monsoon winds. Since 1997, sea surface winds have been strengthening over the western Arabian Sea. This escalation in the intensity of summer monsoon winds, accompanied by enhanced upwelling and an increase of more than 350% in average summertime phytoplankton biomass along the coast and over 300% offshore, raises the possibility that the current warming trend of the Eurasian landmass is making the Arabian Sea more productive.

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