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한국지구과학회지 = Journal of the Korean Earth Science Society v.39 no.5, 2018년, pp.436 - 457  
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2016년 동아시아 해역의 MOHID 지역 해양 순환 모델 검증
The Validation of MOHID Regional Ocean Circulation Model around the East Asian Seas in 2016

이재호   (공주대학교 지구과학교육과  ); 임병준   (공주대학교 지구과학교육과  ); 김도연   ((주)아라종합기술  ); 박상훈   ((주)아라종합기술  ); 장유순   (공주대학교 지구과학교육과  );
  • 초록

    본 연구에서는 3차원 순환 모델인 MOHID (MOdelo $HIDrodin{\hat{a}}mico$ ) 모델을 적용하여 한반도를 포함한 동아시아 해역의 2016년 해황 변동을 재현하였다. 재현 결과는 객관 분석장(EN4, ARMOR3D, AVISO, SIO 자료)과 현장 관측 자료(정선 해양 자료, 부이 자료)를 사용하여 검증하였다. 검증 결과 MOHID로 재현된 수온, 해면 고도 편차, 표층 유속 및 혼합 층 깊이 등의 전반적인 해황 구조가 동아시아 해역의 객관 분석 자료들과 유사하게 나타났다. 특히 연안의 부이 자료와 비교하였을 때, 표층 수온 및 해면 고도 편차의 상관 계수는 모두 0.8 이상이며, 표준화된 표준편차는 0.85-1.15의 값을 보였다. 그러나 여름철 동해의 수온 약층의 구조 및 황해와 남해의 강한 성층 현상 재현에 관한 추가적인 개선이 필요할 것으로 분석되었다.


    In this study, we apply a three-dimensional circulation model, MOHID (MOdelo $HIDrodin{\hat{a}}mico$ ), and reproduce oceanic variation around the East Asian seas including Korea in 2016. Simulation results are verified by using objective analysis fields (EN4, ARMOR3D, AVISO, and SIO products) and in-situ observation data (serial oceanographic and buoy data). Verification results show that general characteristics of the water temperature, sea level anomaly, surface velocity, and mixed layer depths simulated by MOHID are similar with those of the objective analysis fields in the East Asian seas. Especially, when buoy data in the coastal areas are compared, correlation coefficients of sea surface temperature and sea level anomaly are both over 0.8 and normalized standard deviations are between 0.85 and 1.15, respectively. However, it is analyzed that additional improvement would be necessary in the representation of thermocline structure in the East Sea and strong stratification phenomena in the Yellow and South Sea in summer.


  • 주제어

    동아시아 해역 .   객관 분석 .   현장 관측.  

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