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    The Canary Basin contribution to the seasonal cycle of the Atlantic Meridional Overturning Circulation at 26°N

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    P-rez-Hern-ndez_et_al-2015-Journal_of_Geophysical_Research__Oceans.pdf (2.209Mb)
    Date
    2015-11-07
    Author
    Perez-Hernandez, M. Dolores  Concept link
    McCarthy, Gerard D.  Concept link
    Velez-Belchi, Pedro  Concept link
    Smeed, David A.  Concept link
    Fraile-Nuez, Eugenio  Concept link
    Hernandez-Guerra, Alonso  Concept link
    Metadata
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    Citable URI
    https://hdl.handle.net/1912/7782
    As published
    https://doi.org/10.1002/2015JC010969
    DOI
    10.1002/2015JC010969
    Keyword
     AMOC; Canary Basin; Eastern boundary; North Atlantic Subtropical Gyre; RAPID; EBC 
    Abstract
    This study examines the seasonal cycle of the Atlantic Meridional Overturning Circulation (AMOC) and its eastern boundary contributions. The cycle has a magnitude of 6 Sv, as measured by the RAPID/MOCHA/WBTS project array at 26°N, which is driven largely by the eastern boundary. The eastern boundary variations are explored in the context of the regional circulation around the Canary Islands. There is a 3 month lag between maximum wind forcing and the largest eastern boundary transports, which is explained in terms of a model for Rossby wave generated at the eastern boundary. Two dynamic processes take place through the Lanzarote Passage (LP) in fall: the recirculation of the Canary Current and the northward flow of the Intermediate Poleward Undercurrent. In contrast, during the remaining seasons the transport through the LP is southward due to the Canary Upwelling Current. These processes are linked to the seasonal cycle of the AMOC.
    Description
    Author Posting. © American Geophysical Union, 2015. 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 120 (2015): 7237–7252, doi:10.1002/2015JC010969.
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    • Physical Oceanography (PO)
    Suggested Citation
    Journal of Geophysical Research: Oceans 120 (2015): 7237–7252
     

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