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http://dx.doi.org/10.5532/KJAFM.2008.10.4.113

Evaluation of Agro-Climatic Indices under Climate Change  

Shim, Kyo-Moon (National Academy of Agricultural Science, RDA)
Kim, Gun-Yeob (National Academy of Agricultural Science, RDA)
Roh, Kee-An (National Academy of Agricultural Science, RDA)
Jeong, Hyun-Cheol (National Academy of Agricultural Science, RDA)
Lee, Deog-Bae (National Academy of Agricultural Science, RDA)
Publication Information
Korean Journal of Agricultural and Forest Meteorology / v.10, no.4, 2008 , pp. 113-120 More about this Journal
Abstract
The increase in average air temperature over the past 100 years in northern Asia including Korea is the greatest (about ${1.5}^{\circ}C$) among the various regions of the world. Considering a further warming projected by the IPCC, fluctuations of agro-climatic indices under climate change must precede an evaluation of vulnerability. The purpose of this study is to analyze how climate changes represented by global warming have altered agro-climatic indices in Korea over various time scales. Drought index during the rice-transplanting period of 15 May to 5 June has changed toward the favorable with recently increased precipitation in the Taebaek Alpine and Semi-Alpine Zone, and Yeongnam Basin and Inland Zone. The frequency of low temperature occurrence below $13^{\circ}C$ during the rice transplanting has decreased, while climatic production index (CPI) has fallen because of the decreased sunshine hour and increased temperature during the rice ripening period. We therefore concluded that the recent change of climate conditions was against the rice productivity in Korea.
Keywords
Drought index; Climatic production index; Low temperature occurrence; Climate change;
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