Combined underwater acoustic and radar instruments for assessing fish near seabed and mapping seabed

H. Manik; M. Furusawa

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https://doi.org/10.1...arrow_drop_down

https://doi.org/10.1109/ut.200...

Article . 2003 . Peer-reviewed

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https://dx.doi.org/10.1109/ut....

Other literature type

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Combined underwater acoustic and radar instruments for assessing fish near seabed and mapping seabed

descriptionPublicationkeyboard_double_arrow_right Article , Other literature type 25 Jun 2003Publisher:IEEEJournal:Proceedings of the 2002 Interntional Symposium on Underwater Technology (Cat. No.02EX556)

Authors: H. Manik; M. Furusawa;

doi: 10.1109/ut.2002.1002411

Combined underwater acoustic and radar instruments for assessing fish near seabed and mapping seabed

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Abstract

An underwater acoustic and marine radar survey was conducted for the assessment of fish near the seabed and for seabed mapping. For the purpose, an underwater acoustic instrument (split beam echo sounder), and ground penetrating radar (GPR) were used around Seribu Island, Jakarta Bay. Research vessel Mina Jaya (30 GT) and various marine research instruments were employed during the survey. The results show that the fish density near seabed is 0.3 to 35.0 fish/1000 m/sup 3/ with fish length up to 44.6 cm. Radar has a higher resolution for subbottom detection than high frequency acoustics.

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University of Tokyo
Japan

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