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    Thermal lag correction on Slocum CTD glider data

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    jtech-d-10-05030.1.pdf (1.412Mb)
    Date
    2011-09
    Author
    Garau, Bartolome  Concept link
    Ruiz, Simon  Concept link
    Zhang, Weifeng G.  Concept link
    Pascual, Ananda  Concept link
    Heslop, Emma  Concept link
    Kerfoot, John  Concept link
    Tintore, Joaquin  Concept link
    Metadata
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    Citable URI
    https://hdl.handle.net/1912/4880
    As published
    https://doi.org/10.1175/JTECH-D-10-05030.1
    DOI
    10.1175/JTECH-D-10-05030.1
    Keyword
     Data processingStommel; In situ observations 
    Abstract
    In this work a new methodology is proposed to correct the thermal lag error in data from unpumped CTD sensors installed on Slocum gliders. The advantage of the new approach is twofold: first, it takes into account the variable speed of the glider; and second, it can be applied to CTD profiles from an autonomous platform either with or without a reference cast. The proposed methodology finds values for four correction parameters that minimize the area between two temperature–salinity curves given by two CTD profiles. A field experiment with a Slocum glider and a standard CTD was conducted to test the method. Thermal lag–induced salinity error of about 0.3 psu was found and successfully corrected.
    Description
    Author Posting. © American Meteorological Society, 2011. This article is posted here by permission of American Meteorological Society for personal use, not for redistribution. The definitive version was published in Journal of Atmospheric and Oceanic Technology 28 (2011): 1065–1071, doi:10.1175/JTECH-D-10-05030.1.
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    • Applied Ocean Physics and Engineering (AOP&E)
    Suggested Citation
    Journal of Atmospheric and Oceanic Technology 28 (2011): 1065–1071
     
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