Quantifying sea bottom surface backscattering strength and identifying bottom fish habitat by quantitative echo sounder

被引：9
|
作者：
Manik, HM [1 ]
Furusawa, M [1 ]
Amakasu, K [1 ]
机构：
[1] Tokyo Univ Marine Sci & Technol, Minato Ku, Tokyo 1088477, Japan
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS | 2006年 / 45卷 / 5B期
关键词：
quantitative echo sounder; bottom backscattering strength; bottom echo integration; ring surface scattering model; bottom fish habitat;
D O I：
10.1143/JJAP.45.4865
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A quantitative echo sounder (QES) was used to measure the bottom surface backscattering strength (SS) extensively off Southern Jawa Island, Indonesia. The average SS by the bottom echo integration method were plotted as a map with the depth contour to give a synoptic view of the topography. On the other hand, the results from the ring surface scattering (RSS) model gave us more detailed SS values in ping base. A simultaneous display of the fish volume backscattering strength and the bottom SS was useful to observe bottom fish habitats remotely. The bottom material estimated by the measured SS showed that the fish schools were abundant in the sand bottom in this area.
引用
收藏
页码：4865 / 4867
页数：3
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