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    Transient response of the Gulf Stream to multiple hurricanes in 2017

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    Todd_et_al-2018-Geophysical_Research_Letters.pdf (1.655Mb)
    Date
    2018-10-04
    Author
    Todd, Robert E.  Concept link
    Asher, Taylor G.  Concept link
    Heiderich, Joleen  Concept link
    Bane, John M.  Concept link
    Luettich, Richard A.  Concept link
    Metadata
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    Citable URI
    https://hdl.handle.net/1912/10733
    As published
    https://doi.org/10.1029/2018GL079180
    DOI
    10.1029/2018GL079180
    Keyword
     Gulf Stream; Hurricane; Underwater glider 
    Abstract
    Autonomous underwater glider observations collected during and after 2017 Hurricanes Irma, Jose, and Maria show two types of transient response within the Gulf Stream. First, anomalously fresh water observed near the surface and within the core of the Gulf Stream offshore of the Carolinas likely resulted from Irma's rainfall being entrained into the Loop Current‐Gulf Stream system. Second, Gulf Stream volume transport was reduced by as much as 40% for about 2 weeks following Jose and Maria. The transport reduction had both barotropic and depth‐dependent characteristics. Correlations between transport through the Florida Straits and reanalysis winds suggest that both local winds in the Florida Straits and winds over the Gulf Stream farther downstream may have contributed to the transport reduction. To clarify the underlying dynamics, additional analyses using numerical models that capture the Gulf Stream's transient response to multiple tropical cyclones passing nearby in a short period are needed.
    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): 10,509-10,519, doi:10.1029/2018GL079180.
    Collections
    • Physical Oceanography (PO)
    Suggested Citation
    Geophysical Research Letters 45 (2018): 10,509-10,519
     

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