한반도의 기후학적 식물생육기간의 변화

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정명표;심교문;김용석;최인태
Jung, Myung-Pyo;Shim, Kyo-Moon;Kim, Yongseok;Choi, In-Tae

  • 투고 : 2015.06.23
  • 심사 : 2015.08.10
  • 발행 : 2015.09.30

초록

BACKGROUND: The growing season (GS) has been understood as a useful indicator for climate change due to high relationship with increasing temperature. Hear this study was conducted to examine changes in the thermal GS over South Korea from 1970 to 2013 based on daily mean air temperature for assessing the temporal and spatial variability in GS. METHODS AND RESULTS: Three GS parameters (starting date, ending date, and length) were determined at 19 stations throughout South Korea. The results show that the GS has been extended by 4.2 days/decade between 1970 and 2013 on average. The growing season start (GSS) has been advanced by 2.7 days/decade and the growing season end (GSE) has been delayed by 1.4 day/decade. Spatial variation in the GS parameters in Korea are shown. The GS parameters, especially GSS, of southeastern part of Korea have been changed more than that of northwestern part of Korea. The extension of GS may be more influenced on earlier onset in spring rather than later GSE. CONCLUSION: Under climate change scenarios, the GS will be more extended due to delayed GSE as well as advanced GSS. And These are more notable in the northeastern part of Korea.

키워드

Growing season end;Growing season length;Growing season start;Korea;Thermal growing season

참고문헌

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과제정보

연구 과제번호 : Cooperative Research Program for Agriculture Science & Technology Development

연구 과제 주관 기관 : Rural Development Administration