Tunnel and Underground Space (터널과지하공간)

Korean Society for Rock Mechanics and Rock Engineering (한국암반공학회)
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Suggestion of Safety Level in Fish Farming by Impulsive Sound

충격소음으로 인한 양식어류 피해기준 제안

  • Received : 2015.03.18
  • Accepted : 2015.04.13
  • Published : 2015.04.30
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Abstract

As for noise and vibration occurring due to construction near fish farms, engineering and the technical opinions of experts in different areas were excluded in calculating any damage. The victims tend to present only biological consulting-based opinions while construction companies tend to present information on general construction noise and vibration as they have little biological knowledge on fish. So, the National Environmental Dispute Medication Commission presented specific damage standard in 2009 through studies on standard in calculating compensation and damage assessment of farm-raised fish that were affected by noise and vibration. Currently, 140 dB re $1{\mu}Pa$ is accepted as damage standard of underwater noise in the country. This standard is the RMS value of continuous sounds for more than a second, not the impulsive sounds. To look up the data on existing studies, fish showed different reactions to underwater sounds according to the different kinds of fish such as ostariophysan or non-ostariophysan, and pinnipeds or non-pinnipeds. So, this study will present damage standards for impulsive sounds in consideration of the differences in the characteristics of the impulsive and continuous sounds.

어류 양식장 인근에서 건설공사로 인하여 발생하는 소음 진동의 경우 피해 금액과 산정방식 선정은 건설공사에 대한 공종별 전문가의 공학적, 기술적 의견이 배제된 상태에서 이루어지고 있다. 피해자 측이 일방적으로 어류 전문가들의 생물학적 자문 위주의 논리만 주장하는 반면, 어류에 대한 생물학적 전문지식이 부족한 건설사 측은 일반적인 건설소음 진동에 관한 논리를 전개하는 경우가 대부분이다. 그래서 중앙 환경 분쟁 조정위원회에서는 2009년 소음 진동으로 인한 육상 양식어류 피해 평가 및 배상액 산정기준에 관한 연구를 통해 구체적인 피해기준을 제시하였다. 국내의 경우 수중소음 피해인정 기준을 140 dB re $1{\mu}Pa$을 인정하고 있다. 이 기준은 충격음이 아닌 1초 이상의 연속음의 RMS 값이다. 또한, 기존 연구 자료들을 보면 어류는 골표류와 비골표류, 기각류와 비기각류 등 어종에 따라서 수중소음에 대한 반응이 많은 차이가 있는 것으로 보인다. 그래서 본 연구는 충격음과 연속음의 특성 차이를 고려하여 충격음의 피해기준을 제시하려 한다.

Keywords

References

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