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    Seasonal circulation over the Catalan inner-shelf (northwest Mediterranean Sea)

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    jgrc20403.pdf (1.150Mb)
    Date
    2013-10-25
    Author
    Grifoll, Manel  Concept link
    Aretxabaleta, Alfredo L.  Concept link
    Pelegri, Josep L.  Concept link
    Espino, Manuel  Concept link
    Warner, John C.  Concept link
    Sanchez-Arcilla, Agustin  Concept link
    Metadata
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    Citable URI
    https://hdl.handle.net/1912/6379
    As published
    https://doi.org/10.1002/jgrc.20403
    DOI
    10.1002/jgrc.20403
    Keyword
     Momentum balance; Catalan shelf; Hydrodynamic modeling; Seasonal variability 
    Abstract
    This study characterizes the seasonal cycle of the Catalan inner-shelf circulation using observations and complementary numerical results. The relation between seasonal circulation and forcing mechanisms is explored through the depth-averaged momentum balance, for the period between May 2010 and April 2011, when velocity observations were partially available. The monthly-mean along-shelf flow is mainly controlled by the along-shelf pressure gradient and by surface and bottom stresses. During summer, fall, and winter, the along-shelf momentum balance is dominated by the barotropic pressure gradient and local winds. During spring, both wind stress and pressure gradient act in the same direction and are compensated by bottom stress. In the cross-shelf direction the dominant forces are in geostrophic balance, consistent with dynamic altimetry data.
    Description
    Author Posting. © American Geophysical Union, 2013. This article is posted here by permission of American Geophysical Union for personal use, not for redistribution. The definitive version was published in Journal of Geophysical Research: Oceans 118 (2013): 5844–5857, doi:10.1002/jgrc.20403.
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    • Sediment Transport
    Suggested Citation
    Journal of Geophysical Research: Oceans 118 (2013): 5844–5857
     

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