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    Unexpected impacts of the Tropical Pacific array on reanalysis surface meteorology and heat fluxes

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    Date
    2014-09-03
    Author
    Josey, Simon A.  Concept link
    Yu, Lisan  Concept link
    Gulev, Sergey  Concept link
    Jin, Xiangze  Concept link
    Tilinina, N.  Concept link
    Barnier, B.  Concept link
    Brodeau, L.  Concept link
    Metadata
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    Citable URI
    https://hdl.handle.net/1912/6944
    As published
    https://doi.org/10.1002/2014GL061302
    DOI
    10.1002/2014GL061302
    Keyword
     Tropical Pacific; Heat flux; Mooring array; Reanalysis 
    Abstract
    The Tropical Pacific mooring array has been a key component of the climate observing system since the early 1990s. We identify a pattern of strong near surface humidity anomalies, colocated with the array, in the widely used European Center for Medium Range Weather Forecasting Interim atmospheric reanalysis. The pattern generates large, previously unrecognized latent and net air-sea heat flux anomalies, up to 50 Wm−2 in the annual mean, in reanalysis derived data sets employed for climate studies (TropFlux) and ocean model forcing (the Drakkar Forcing Set). As a consequence, uncertainty in Tropical Pacific ocean heat uptake between the 1990s and early 2000s at the mooring sites is significant with mooring colocated differences in decadally averaged ocean heat uptake as large as 20 Wm−2. Furthermore, these results have major implications for the dual use of air-sea flux buoys as reference sites and sources of assimilation data that are discussed.
    Description
    Author Posting. © American Geophysical Union, 2014. 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 41 (2014): 6213–6220, doi:10.1002/2014GL061302.
    Collections
    • Physical Oceanography (PO)
    Suggested Citation
    Geophysical Research Letters 41 (2014): 6213–6220
     

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