A buoy for measuring wind speed and the ambient noise sound pressure level from 10 to 1500 Hz with 1-Hz resolution is described. The measurement buoy was deployed in a remote fjord in southeastern Alaska from October to December, 1989. The results from the data collected show that, for a wind speed of 5 kn, the measured ambient noise level at 900 Hz lies well below the Knudsen curve for open-ocean, wind-generated noise. As the wind speed increases from 5 to 10 kn, the measured ambient noise level approaches the Knudsen curve, increasing at 4 dB/kn compared to 1 dB/kn for the Knudsen curve. Above 10 kn, the measured ambient noise level matches the Knudsen curve.


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    Title :

    Ambient noise data logger buoy


    Additional title:

    Datenschreiberboje für Umgebungsgeräusche


    Contributors:

    Published in:

    Publication date :

    1990


    Size :

    6 Seiten, 1 Quelle




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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