摘要
统计分析了1959—2009年松山区4—9月农业气候条件的变化特征。结果表明:1997年以来气候趋向变暖。80年代后,积温增加,初霜偏晚,终霜偏早,无霜期延长约10天,热量条件有利。51年来降水量具有多—少—多—少的波动变化特点,干旱频发且有增强的趋势。
The change characteristics of agricultural climate resources of Songshan station from April to September During 1959—2009 years were statistically analyzed.The results showed that the climate was warming up in Songshan Area since 1979 years.The accumulated temperature steadily increased,the first frost date was later,the latest frost was early,and the frost-free season was prolonged by 10 days from 1980s.The thermal condition was favorable to agricultural production.The variation of precipitation was larger by fluctuation,drought was frequent with enhance tendency.
出处
《内蒙古气象》
2011年第2期27-29,共3页
Meteorology Journal of Inner Mongolia
关键词
气候资源
热量条件
Z指数
climatic resources
thermal condition
Z index
