Ocean and Polar Research

Korea Institute of Ocean Science & Technology (한국해양과학기술원)
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Correlation Analysis Between the Variation of Net Surface Heat Flux Around the East Asian Seas and the Air T emperature and Precipitation Over the Korean Peninsula

동아시아 해역의 표층 순열속 변동과 한반도 기온 및 강수량 변동의 상관성 분석

  • Lee, Seok-Joon (Department of Earth Science Education, College of Education, Kongju National University) ;
  • Chang, You-Soon (Department of Earth Science Education, College of Education, Kongju National University)
  • 이석준 (국립공주대학교 사범대학 지구과학교육과) ;
  • 장유순 (국립공주대학교 사범대학 지구과학교육과)
  • Received : 2020.11.25
  • Accepted : 2021.03.08
  • Published : 2021.03.30
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Abstract

In this study, using 16 ORA-IP (Ocean Reanalysis Intercomparison Project) data, we investigated spatial and temporal changes of net surface heat flux in the East Asian seas and presented a new ensemble net surface heat flux index. The ensemble net surface heat flux index is produced considering the data distribution and the standard deviation of each ORA-IP. From the correlation analysis with air temperature averaged over the Korean Peninsula, ensemble net heat flux around the Korea Strait shows the highest correlation (0.731) with a 3 month time lag. For the correlation study regarding precipitation over the Korean Peninsula, it also shows significant correlation especially in winter and spring seasons. Similar results are also found in comparison with climate indices (AO, PDO, and NINO3.4), but ensemble net surface heat flux data in winter season reveals the strongest correlation patterns especially with winter temperature and spring precipitation.

Keywords

Acknowledgement

본 연구는 충청씨그랜드 및 한국연구재단(2016R1D1A1B03931519, 2019R1A2C1008490)의 지원에 의해 수행되었습니다. 논문을 세밀히 검토해 주시고 좋은 의견을 주신 심사위원님들께 감사드립니다.

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