Correction of data from a salt-spray contaminated temperature sensor

Jörg Hartmann, Jörg Hacker, Helmut Kraus

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    1 Citation (Scopus)

    Abstract

    Sea salt spray contamination of a temperature sensor induces erroneous fluctuations due to the latent heat of evaporating or condensing water vapour associated with changes in humidity. A method is derived to correct this humidity sensitivity using data from a fast response humidiometer. When applied to aircraft measurements of turbulence in the mixed layer over the Coral Sea, spurious high frequency temperature variance is significantly corrected. Spatial separation of the thermometer and the humidiometer and the sampling rate limit the effectiveness of the method. The vertical profile of the structure function parameter CT2, determined from the corrected data, agrees well with results from other studies in a marine environment, but differences with measurements made over land remain.

    Original languageEnglish
    Pages (from-to)153-169
    Number of pages17
    JournalBoundary-Layer Meteorology
    Volume50
    Issue number1-4
    DOIs
    Publication statusPublished - Mar 1990

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