The National Ocean Service of NOAA has recently conducted tests and established a laboratory calibration technique for Doppler current profilers. A cooperative effort was established with the manufacturer to assess the technique and the instrument's performance. Several systems ranging in operating frequencies from 300 to 1200 kHz were tested and calibrated. A 1200-kHz system was characterized by the manufacturer through a series of laboratory tests and evaluation runs on a calibrated lake course. This unit was then tested by NOAA for comparison purposes. Calibrations of both bottom track and water track velocity were performed at speeds from 0 to 300 cm/s. Sources of error were investigated by NOAA and the manufacturer. Test results, calibration data, and procedures are discussed.


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    Title :

    Calibration of acoustic Doppler current profiles


    Additional title:

    Die Kalibrierung eines akustischen Doppler-Stroemungsprofilmessers


    Contributors:
    Appell, G.F. (author) / Gast, J. (author) / Williams, R.G. (author) / Bass, P.D. (author)


    Publication date :

    1988


    Size :

    7 Seiten, 10 Quellen


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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