Journal of the Korean Society of Marine Environment & Safety (해양환경안전학회지)

The Korean Society of Marine Environment and safety (해양환경안전학회)
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Improvement of the Estimation Method for Harbor Tranquility of Fishery Harbor

어항의 항내 정온도 평가사례 및 개선방안

  • Tac, Dae-Ho (Marine Environmental Impact Assessment Center, National Institute of Fisheries Science) ;
  • Kim, Gui-Young (Marine Environmental Impact Assessment Center, National Institute of Fisheries Science) ;
  • Jeon, Kyeong-Am (Marine Environmental Impact Assessment Center, National Institute of Fisheries Science) ;
  • Lee, Dae-In (Marine Environmental Impact Assessment Center, National Institute of Fisheries Science)
  • 탁대호 (국립수산과학원 해역이용영향평가센터) ;
  • 김귀영 (국립수산과학원 해역이용영향평가센터) ;
  • 전경암 (국립수산과학원 해역이용영향평가센터) ;
  • 이대인 (국립수산과학원 해역이용영향평가센터)
  • Received : 2015.10.13
  • Accepted : 2015.12.28
  • Published : 2015.12.31
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Abstract

In order to estimate harbor tranquility, it is needed to simulate wave propagation in a harbor by using both methods under abnormal wave condition and normal wave condition. The problem is the latter case was not simulated in the statement for the Sea Area Utilization Conference. As harbor calmness about normal wave condition has the same meaning as harbor serviceability, in order to assess harbor tranquility, it is needed to survey wave data for long periods but the survey was not done by reason of a lack of budget and shortage of time for plan. It is more important to make a plan for minimizing environmental impact and to assess an improvement of fisherman's living environmental as the assessment of the harbor serviceability is related with the propriety of the plan. In order to assess it, it is needed to understand it clearly, survey for long period of wave data, and clarify the procedure for computation of it. And also providing wave data like tide and tidal current data from KHOA (Korea Hydro graphic and Oceanographic Agency) and making a guideline for assessing it are needed.

항내 정온도 평가는 이상파 및 평상파 조건에 대해 수행이 되어야 하나, 어항개발 시 이루어지는 평가는 이상파에 대해서만 수행되고 있다. 축산항, 교암항, 궁평항 및 시산항에 대한 사례를 통해 해역이용협의 시 정온도 평가에 대한 실태를 분석하였다. 대상항 모두 이상파에 대한 항내 정온도를 평가를 수행하였으나, 목표 정온도를 만족하지 못하였다. 평상파에 대한 정온도는 가동률로 평가하며, 가동률을 평가하기 위해서는 장기간의 파랑관측이 필요하나 수행되지 않고 있었다. 가동률에 대한 평가는 계획의 적정성과 관련 있는 평가항목이기 때문에 개발로 인한 해양환경에 미치는 악영향을 최소화할 수 있는 계획의 수립과 어업인들의 정주환경 개선을 평가하기 위해서는 수행이 필요하다. 정온도 평가를 위해서는, 정온도 평가에 대한 이해가 선행되어야 하고, 장기간의 파랑관측이 수행되어야 하며, 평상파 및 이상파에 대한 평가절차를 명확히 해야 한다. 그리고 실효적인 계획이 수립될 수 있도록 조석정보와 같은 파랑정보의 제공 및 정온도를 평가할 수 있는 가이드라인의 수립이 필요하다.

Keywords

References

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