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    Manifestation of the Pacific Decadal Oscillation in the Kuroshio

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    2009GL039216.pdf (319.3Kb)
    Date
    2009-08-28
    Author
    Andres, Magdalena  Concept link
    Park, Jae-Hun  Concept link
    Wimbush, Mark  Concept link
    Zhu, Xiao-Hua  Concept link
    Nakamura, Hirohiko  Concept link
    Kim, Kuh  Concept link
    Chang, Kyung-Il  Concept link
    Metadata
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    Citable URI
    https://hdl.handle.net/1912/3383
    As published
    https://doi.org/10.1029/2009GL039216
    DOI
    10.1029/2009GL039216
    Keyword
     Kuroshio; PDO; Transport 
    Abstract
    Pacific Decadal Oscillation (PDO) index is strongly correlated with vertically integrated transport carried by the Kuroshio through the East China Sea (ECS). Transport was determined from satellite altimetry calibrated with in situ data and its correlation with PDO index (0.76) is highest at zero lag. Total PDO-correlated transport variation carried by the ECS-Kuroshio and Ryukyu Current is about 4 Sv. In addition, PDO index is strongly negatively correlated, at zero lag, with NCEP wind-stress-curl over the central North Pacific at ECS latitudes. Sverdrup transport, calculated from wind-stress-curl anomalies, is consistent with the observed transport variations. Finally, PDO index and ECS-Kuroshio transport are each negatively correlated with Kuroshio Position Index in the Tokara Strait; this can be explained by a model in which Kuroshio path is steered by topography when transport is low and is inertially controlled when transport is high.
    Description
    Author Posting. © American Geophysical Union, 2009. 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 36 (2009): L16602, doi:10.1029/2009GL039216.
    Collections
    • Physical Oceanography (PO)
    Suggested Citation
    Geophysical Research Letters 36 (2009): L16602
     

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