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    Factors governing the deep ventilation of the Red Sea

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    Papadopoulos_et_al-Journal_of_Geophysical_Research__Oceans.pdf
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    Type
    Article
    Authors
    Papadopoulos, Vassilis P. cc
    Zhan, Peng cc
    Sofianos, Sarantis. S. cc
    Raitsos, Dionysios E.
    Qurban, Mohammed
    Abualnaja, Yasser
    Bower, Amy
    Kontoyiannis, Harilaos
    Pavlidou, Alexandra
    Asharaf T.T., Mohamed
    Zarokanellos, Nikolaos cc
    Hoteit, Ibrahim cc
    KAUST Department
    Beacon Development Company
    Earth Fluid Modeling and Prediction Group
    Earth Science and Engineering Program
    Marine Science Program
    Physical Science and Engineering (PSE) Division
    Red Sea Research Center (RSRC)
    Date
    2015-11-19
    Online Publication Date
    2015-11-19
    Print Publication Date
    2015-11
    Permanent link to this record
    http://hdl.handle.net/10754/582758
    
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    Abstract
    A variety of data based on hydrographic measurements, satellite observations, reanalysis databases, and meteorological observations are used to explore the interannual variability and factors governing the deep water formation in the northern Red Sea. Historical and recent hydrographic data consistently indicate that the ventilation of the near-bottom layer in the Red Sea is a robust feature of the thermohaline circulation. Dense water capable to reach the bottom layers of the Red Sea can be regularly produced mostly inside the Gulfs of Aqaba and Suez. Occasionally, during colder than usual winters, deep water formation may also take place over coastal areas in the northernmost end of the open Red Sea just outside the Gulfs of Aqaba and Suez. However, the origin as well as the amount of deep waters exhibit considerable interannual variability depending not only on atmospheric forcing but also on the water circulation over the northern Red Sea. Analysis of several recent winters shows that the strength of the cyclonic gyre prevailing in the northernmost part of the basin can effectively influence the sea surface temperature (SST) and intensify or moderate the winter surface cooling. Upwelling associated with periods of persistent gyre circulation lowers the SST over the northernmost part of the Red Sea and can produce colder than normal winter SST even without extreme heat loss by the sea surface. In addition, the occasional persistence of the cyclonic gyre feeds the surface layers of the northern Red Sea with nutrients, considerably increasing the phytoplankton biomass.
    Citation
    Factors governing the deep ventilation of the Red Sea 2015:n/a Journal of Geophysical Research: Oceans
    Publisher
    American Geophysical Union (AGU)
    Journal
    Journal of Geophysical Research: Oceans
    DOI
    10.1002/2015JC010996
    Additional Links
    http://doi.wiley.com/10.1002/2015JC010996
    ae974a485f413a2113503eed53cd6c53
    10.1002/2015JC010996
    Scopus Count
    Collections
    Articles; Red Sea Research Center (RSRC); Marine Science Program; Physical Science and Engineering (PSE) Division; Earth Science and Engineering Program

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