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

被引：0
作者：
Manik, H [1 ]
Furusawa, M [1 ]
机构：
[1] Tokyo Univ Fisheries, Dept Marine Sci & Technol, Minato Ku, Tokyo 1088477, Japan
来源：
PROCEEDINGS OF THE 2002 INTERNATIONAL SYMPOSIUM ON UNDERWATER TECHNOLOGY | 2002年
关键词：
D O I：
10.1109/UT.2002.1002411
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
Underwater acoustic and marine radar survey was conducted for assessment of fish near seabed and for seabed mapping. For the purpose, 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 fish density near seabed are 0.3 to 35.0 fish/1000 m(3) with fish length up to 44.6 cm. Radar has a high resolution for subbottom detection than high frequency acoustic.
引用
收藏
页码：131 / 134
页数：4
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