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.
Acoustic survey of ocean resources
Akustische Überwachung von Ozean-Resourcen
Titel japanisch
1989
6 Seiten, 15 Quellen
Article (Journal)
Japanese
MINERAL , UNTERWASSERSCHALL , ROHSTOFFQUELLE , SONAR , FISCH
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