摘要
通过分析1971—2009年内蒙古通辽市初霜冻期、终霜冻期及无霜期序列,初步探讨了它们的变化趋势、分布频率等气候特征,指出了初霜期推迟、终霜期提前、无霜期延长的变化趋势,而这种变化趋势与气候变暖理论相一致。
Through analyzing the sequence of first frost period,end frost period and frost-free period in Tongliao City of Inner Mongolia during 1971 and 2009,their climatic characteristics like change trend,distribution frequency,etc.were explored preliminarily.It is pointed out that the first frost period was delayed,the end frost period was advanced and the frost-free period was prolonged,which was consistent with global warming.
出处
《畜牧与饲料科学》
2011年第8期21-22,共2页
Animal Husbandry and Feed Science
关键词
霜冻期
变化趋势
通辽市
frost period
change trend
Tongliao City