Characteristics of Severe Cold Disasters and Its Responses to \Regional Climate Warming in Northeast China
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Abstract:
Using the daily temperature data of 153 stations from 1961 to 2010, the characteristics of cold disasters and their response to regional warming in Northeast China in recent 50 years are analyzed. The results show that the rice steriletype cold disasters declined, but the regional feature is obvious in Northeast China. There is a significant negative correlation between temperature and cold disasters. When temperature rises 1 ℃, the cold disasters reduce 35 stations. The whole Northeast China temperature increased, but the chilling injury increased in the western Jilin Province. In order to probe into the causes, the key developmental stages of temperature variability and climate variability are analyzed. The explanation for the effect of local chilling injury increasing is mainly the increase of climate variability, and the daily temperature variation rate has little effect.
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Supported by:Beijing E-Tiller Technology Development Co., Ltd.
Supported by:Beijing E-Tiller Technology Development Co., Ltd.