Discusses sea-bottom mineral resources and marine products resources. Survey technologies using underwater acoustic waves, multi-narrow-beam depth sounding, side scan sonar and acoustic wave surveys are then considered. Fish distributions based on the reflection strength of the fish are also discussed.


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    Title :

    Acoustic survey of ocean resources


    Additional title:

    Akustische Überwachung von Ozean-Resourcen
    Titel japanisch


    Contributors:


    Publication date :

    1989


    Size :

    6 Seiten, 15 Quellen


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    Japanese




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