Why does the Loop Current tend to shed more eddies in summer and winter?

The observed seasonal preferences of Loop Current eddy shedding, more in summer and winter and less in fall and spring, are shown for the first time to be due to a curious combination of forcing by the seasonal winds in the Caribbean Sea and the Gulf of Mexico. The conditions are favorable for the L...

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Veröffentlicht in:Geophysical research letters 2012-03, Vol.39 (5), p.n/a
Hauptverfasser: Chang, Y.-L., Oey, L.-Y.
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description The observed seasonal preferences of Loop Current eddy shedding, more in summer and winter and less in fall and spring, are shown for the first time to be due to a curious combination of forcing by the seasonal winds in the Caribbean Sea and the Gulf of Mexico. The conditions are favorable for the Loop to shed eddies in summer and winter when strong trade winds in the Caribbean produce large Yucatan transport and Loop's intrusion, and concurrently when weak easterlies in the Gulf offer little impediment to eddy shedding. The conditions are less favorable in fall and spring as the trade winds and Yucatan transport weaken, and the strengthening of the Gulf's easterlies impedes shedding. Key Points The observed seasonal preferences of Loop Current eddy shedding, more in summer The preference is forced, instead of the natural shedding It is due to the be due to a curious combination of forcing by the seasonal wind
doi_str_mv 10.1029/2011GL050773
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Key Points The observed seasonal preferences of Loop Current eddy shedding, more in summer The preference is forced, instead of the natural shedding It is due to the be due to a curious combination of forcing by the seasonal wind</abstract><cop>Washington, DC</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1029/2011GL050773</doi><tpages>7</tpages></addata></record>
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source Wiley-Blackwell Journals; Wiley Online Library Free Content; Wiley-Blackwell AGU Digital Archive; EZB Electronic Journals Library
subjects Earth sciences
Earth, ocean, space
Eddies
eddy shedding
Exact sciences and technology
Gulf of Mexico
seasonal
Spring
Summer
Trade winds
Wind
Winter
title Why does the Loop Current tend to shed more eddies in summer and winter?
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