대한지리학회지 (Journal of the Korean Geographical Society)

대한지리학회 (The Korean Geographical Society)
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고품질의 기온자료를 이용한 연.계절평균기온의 변화에 관한 연구

Study for the Changes of Annual and Seasonal Mean Temperature Using Adjusted Temperature Data in the Republic of Korea

  • 투고 : 2010.12.13
  • 심사 : 2011.01.03
  • 발행 : 2011.02.28
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초록

본 연구에서는 기온자료의 품질검정, 기준시계열 생산, 동질성 검증 및 보정에 대한 체계적인 단계를 제시하고, 이러한 과정을 통해 생산된 연 계절평균기온을 이용하여 보다 정확한 기온변화 경향을 파악하고자 하였다. 품질검정에 의한 오류 자료는 모두 내적 불일치성 검사에 의해 탐지되었다 본 연구에서 사용한 동질성 검증 방법은 관측지점의 이전(relocation) 시그널을 비교적 잘 추출하여 우리나라 기온자료 동질성 검증에 적합한 방법으로 판단된다 연 및 계절별 평균기온의 보정 이후가 보정 이전 보다 증가 규모가 커졌다. 이러한 동질성 검증 및 보정으로 생산된 고품질의 기온자료는 보다 정확한 기후변화 특성 및 경향 연구에 도움이 될 것이다.

This study suggested the systematic steps for quality control, construction of the climatological reference series and homogeneity test and adjustment of temperature series in the Republic of Korea. It also attempted to evaluate more accurate magnitude of change using adjusted temperature data. All erroneous values produced by quality control were detected by internal inconsistency check. The method selected for homogeneity test in this study well defined fairly correct signals of station relocations. Therefore, this method might be regarded as the appropriate one to test homogeneity of temperature series of the Republic of Korea. The increase of temperature of the Republic of Korea after the adjustment were bigger than before the adjustment of annual and seasonal mean temperature. Adjusted temperature data produced by these steps will enable to evaluate more accurate characteristics and magnitude of climate change.

키워드

과제정보

연구 과제 주관 기관 : 기상청

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