Measurement of sea bottom surface backscattering strength by quantitative echo sounder

被引：0
|
作者：
Henry Munandar Manik
Masahiko Furusawa
Kazuo Amakasu
机构：
[1] Tokyo University of Marine Science and Technology,Department of Ocean Science
[2] Bogor Agricultural University,Department of Marine Science and Technology, Faculty of Fisheries and Marine Science
[3] Kampus IPB Darmaga,undefined
来源：
Fisheries Science | 2006年 / 72卷
关键词：
bottom echo integration; bottom surface backscattering strength; quantitative echo sounder;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Measurement theory and method of the bottom surface backscattering strength (SS) using a quantitative echo sounder (QES) are discussed and applied in the ocean near Java, Indonesia. The frequencies of the QES were 38, 70, and 120 kHz. The measurements of bottom echoes and sampling of bottom material by a dredge were done simultaneously. Bottom characterization was based on analysis of particle size distribution for bottom samples taken during the survey. The SS value increases with the increase of the mean diameter of the bottom particles. The SS decreased with increasing frequency. The effectiveness of QES for measurement of the SS along with observation of the depth topography were demonstrated.
引用
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页码：503 / 512
页数：9
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