Seung-jong Lee, Yoo-Won， Lee, Joo-Il Kim, T. Oh, Bokyu Hwang, Byung-Yeob Kim, Kyounghoon Lee
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Target strength estimation of dominant species in marine ranching ground of Jeju coastal water by KRM model
The indirect target strength (TS) estimation method which uses the Kirchhoff ray mode model (KRM model) was discussed to apply for a biomass estimation in the water of mixed species. TS of 25 live scorpion fishes for 120kHz were measured by a tethered method and of others dominant 5 species in the marine ranching ground of Jeju coastal water including a scorpion fish were also estimated by KRM model. The measurement TS of scorpion fish well agreed with the theoretical values and the standard formula of scorpion fish was estimated as $TS_{120kHz}
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