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    A new framework for near‐surface wind convergence over the Kuroshio Extension and Gulf Stream in wintertime : the role of atmospheric fronts

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    Date
    2018-11-21
    Author
    Parfitt, Rhys  Concept link
    Seo, Hyodae  Concept link
    Metadata
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    Citable URI
    https://hdl.handle.net/1912/10784
    As published
    https://doi.org/10.1029/2018GL080135
    DOI
    10.1029/2018GL080135
    Abstract
    It is well known that the wintertime time‐mean surface wind convergence patterns over the Kuroshio Extension and Gulf Stream show significant imprints of the underlying oceanic fronts. Previous studies have suggested that this collocation results from a time‐mean response to sea level pressure forcing from sea surface temperature gradients. However, more recent work has illustrated this phenomenon is heavily influenced by extratropical cyclones, although exact mechanisms are still debated. The purpose of this study is to introduce a new framework that explicitly distinguishes between two separate components in their contribution to the time‐mean surface wind convergence, that associated with and without atmospheric fronts. It is then argued that this distinction can help better explain the mechanisms driving the Kuroshio Extension and Gulf Stream influence on the atmosphere.
    Description
    Author Posting. © American Geophysical Union, 2018. This article is posted here by permission of American Geophysical Union for personal use, not for redistribution. The definitive version was published in Geophysical Research Letters 45 (2018): 9909-9918, doi:10.1029/2018GL080135.
    Collections
    • Physical Oceanography (PO)
    Suggested Citation
    Geophysical Research Letters 45 (2018): 9909-9918
     
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