수중소음 거리감쇠 특성식을 이용한 해양생물 피해영향범위 예측
Prediction of Effect Zone for Marine Organisms Using Distance Attenuation Equations for Oceanic Noise
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초록
There are insufficient data to consider the effect zone for the marine life of coastal fisheries, because no standard has been defined for the sound level ofmarine life. In this study, equations for distance attenuation were used to determine the effect zone for oceanic noises. A reference noise level was divided into 4 parts to consider the characteristics of the fishes, and the effect zone of each reference noise level was determined. To increase the reliability of the effect scope, approximately 100 repetitions of blasting work split into several parts by the boring depth, the sound level of the source caused by an increase in weight, and the effect zone were calculated using the prediction equation. According to the prediction, the maximum distance of the effect zone was 4.92 km.
Abstract
There are insufficient data to consider the effect zone for the marine life of coastal fisheries, because no standard has been defined for the sound level ofmarine life. In this study, equations for distance attenuation were used to determine the effect zone for oceanic noises. A reference noise level was divided into 4 parts to consider the characteristics of the fishes, and the effect zone of each reference noise level was determined. To increase the reliability of the effect scope, approximately 100 repetitions of blasting work split into several parts by the boring depth, the sound level of the source caused by an increase in weight, and the effect zone were calculated using the prediction equation. According to the prediction, the maximum distance of the effect zone was 4.92 km.
참고문헌 (4)
- Rozenfeld, I., "Modeling and analysis of sound transmission inthe Strait of Korea", IEEE J. Oce. Eng., 26(4), pp.809~820 (2001)
- 배종우, "수변 공사에 의한 충격음의 특성과 어류에 미치는 영향", 한국소음진동공학회논문집, 19(9), pp.928~934 (2009), 한국소음진동공학회
- 신현옥, "양식 향어의 행동에 미치는 발파작업 소음의 영향에 관한 연구", 한국수산과학회, 33(4), pp.348~355 (2000)
- 윤종락, "수중소음이 어류에 미치는 영향", 한국소음진동공학회 2006년도추계학술대회논문집, pp.739~746 (2006)