近48年普兰店气候变化特点及其对农业的影响

Characters of Climate Changes in Pulandian in Recent 48 Years and Its Influences on Agriculture

利用普兰店1961~2008年气象资料进行统计分析,归纳出近48a普兰店气候变化特点是：温度呈波动性上升,降水波动性减少趋势;无霜期延后,干旱发生频率增大。同时,分析了气候变化对农业生产的影响,为合理利用该地区气候资源提供参考依据。

A statistical analysis was made based on the meteorology materials during 1961-2008 of Pulandian.The characters of climate fluctuations in Pulandian were summarized,including that the temperature went up fluctuantly and precipitation decreased fluctuantly.Frost free period delayed and the rate of droughts increased.At the same time,the influences of climate changes on agriculture production were analyzed,which provided references for using climatic resources in this area reasonably.