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Improvement for Impact Assessment of Marine Physical on the Development of Ports and Fishing Harbors in the East Coast

동해안 항만 및 어항 개발사업에 따른 해양물리학적 영향평가 개선방안

  • Kim, In-Cheol (Marine Environmental Impact Assessment Center, National Fisheries Research & Development Institute) ;
  • Kim, Gui-Young (Marine Environmental Impact Assessment Center, National Fisheries Research & Development Institute) ;
  • Jeon, Kyeong-Am (Marine Environmental Impact Assessment Center, National Fisheries Research & Development Institute) ;
  • Eom, Ki-Hyuk (Marine Environmental Impact Assessment Center, National Fisheries Research & Development Institute) ;
  • Yu, Jun (Marine Environmental Impact Assessment Center, National Fisheries Research & Development Institute) ;
  • Lee, Dae-In (Marine Environmental Impact Assessment Center, National Fisheries Research & Development Institute) ;
  • Kim, Young-Tae (Marine Environmental Impact Assessment Center, National Fisheries Research & Development Institute) ;
  • Kim, Hee-Jung (Marine Environmental Impact Assessment Center, National Fisheries Research & Development Institute)
  • 김인철 (국립수산과학원 해역이용영향평가센터) ;
  • 김귀영 (국립수산과학원 해역이용영향평가센터) ;
  • 전경암 (국립수산과학원 해역이용영향평가센터) ;
  • 엄기혁 (국립수산과학원 해역이용영향평가센터) ;
  • 유준 (국립수산과학원 해역이용영향평가센터) ;
  • 이대인 (국립수산과학원 해역이용영향평가센터) ;
  • 김영태 (국립수산과학원 해역이용영향평가센터) ;
  • 김희정 (국립수산과학원 해역이용영향평가센터)
  • Received : 2013.02.05
  • Accepted : 2013.04.25
  • Published : 2013.04.30

Abstract

This paper suggested the improvement of marine environmental impact assessment in eastern coast as analyzing consultation on the coastal area utilization for development of ports and fishing harbors for 3years in the east coast. The results of survey are only 3cases, 12cases and 16cases each for ocean currents, wave and sounding data. However, for development of ports and fishing harbors in eastern coast, ocean characteristics in eastern coast different than in the West Sea, South Sea is considered to marine environmental impact assessment. For development of ports and fishing harbors in east coast where the influences of ocean currents, wind-driven current and waves are dominant, the effect of the current should be considered to improve the reproducibility of tidal current. The wave should also be considered as an assessment criteria to obtain the validity of project such as harbor tranquility, functionality of breakwaters and stability. In addition, sediment inflow in river and exact water depth data of the ocean should be applied to numerical modeling and set wave-induced current to external force of sediment transport to predict the problems such as the harbor siltation and the coastal erosion considering ocean characteristics in the east coast.

동해안 항만 및 어항 개발 사업에 따른 해양환경영향평가 개선방안을 제시하기 위해 2009년부터 2011년까지 3년간 동해안의 항만 및 어항 개발 사업에 따른 일반해역이용협의서 33건을 분석하였다. 분석결과 동해안에서 중점적으로 검토해야 하는 해류, 파랑, 수심측량 자료의 경우 각각 3건, 12건, 16건 만이 조사가 이루어졌다. 하지만 동해안에서 시행되는 항만 및 어항 개발사업의 경우 서해, 남해와는 다른 동해안의 해역특성이 고려된 해양환경영향평가가 이루어져야 한다. 동해안은 조석의 영향이 약하고 해류, 취송류, 파랑의 영향이 우세한 해역으로 동해안의 해수유동을 파악하기 위해서는 해류의 영향을 고려해야하고 항내 정온도 및 방파제 기능성 및 안정성 등 협의대상사업의 타당성을 확보하기 위해서는 파랑을 평가항목으로 고려할 필요가 있다. 또한 동해안에 발생되는 항내매몰 및 해안침식의 문제점을 비교적 정확히 예측 및 예방하기 위해서는 해빈류를 표사이동의 기본외력으로 설정해야 하고 인근 하천에서의 토사유입과 해당 해역의 정확한 수심자료를 수치모델링의 검증자료로 활용해야 한다.

Keywords

References

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