The Sea:JOURNAL OF THE KOREAN SOCIETY OF OCEANOGRAPHY (한국해양학회지:바다)

The Korean Society of Oceanography (한국해양학회)
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Development of Synthetic Regression Diagram for Analyzing Linear Trend of Sea Surface Height, Temperature, and Salinity around the Korean Marginal Seas

한반도 주변 해역 해수면 및 수온, 염분의 선형 추세 분석을 위한 종합 회귀 도표 개발

  • LIM, BYEONG-JUN (Department of Earth Science Education, Kongju National University) ;
  • CHANG, YOU-SOON (Department of Earth Science Education, Kongju National University)
  • 임병준 (공주대학교 지구과학교육과) ;
  • 장유순 (공주대학교 지구과학교육과)
  • Received : 2016.02.12
  • Accepted : 2016.04.22
  • Published : 2016.05.31
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Abstract

This study developed synthetic regression diagram for analyzing the linear trend of sea surface height, temperature, and salinity around the Korean marginal seas. In situ observed data had been quality controlled and they were verified by EOF comparison with objective analyzed data. From the synthetic regression diagram, we confirmed similar linear regression values with those of previous studies, but additionally provided detailed regression rate of each 5 to 30 year for the total periods of 1983-2013. We expect that quantitative results presented by this study will be useful as standard reference numbers for relevant studies analyzing oceanic long-term trend.

본 연구에서는 한반도 주변 해역의 해수면 및 수온, 염분의 선형 추세 분석을 위한 종합 회귀 도표를 개발하였다. 현장 관측 자료는 품질 관리 과정을 거쳤으며 객관 분석 자료와의 경험적 직교 함수 비교를 통해 검증하여 사용하였다. 종합 회귀 도표를 통해 기존의 연구 결과들과 유사한 선형 회귀 값을 확인하였고, 1983년부터 2013년 기간동안에서의 5년에서 30년 단위의 변동률을 추가로 제시하였다. 본 연구에서 제시된 정량적 결과가 향후 해양 장기 추세 관련 연구의 기준 값으로 유용하게 사용될 것을 기대한다.

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