A new closed clamshell bucket with a volume of 20 m3 was tested in the sea in order to minimize the 3 Rs (residual, resuspension, release). It was found to be able to meet the Japanese standards of turbidity generation unit (TGU) of 3.5 kg m-3 that is about a half of that of Hopper.
목차
Abstract I. 서론 II. 재료 및 방법 III. 결과 1. 밀폐형 그랩 준설 2. 현장실험 IV. 결론 참고문헌