近44年无锡寒潮天气变化特征分析
The Characteristics of Cold Wave in Wuxi from 1959 to 2002
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摘要: 利用无锡市1959~2002年共44a的逐日最低气温资料,分析了无锡寒潮发生的特点。分析结果表明:无锡寒潮的年发生次数有线性减少趋势;寒潮减少主要发生在10月、12月、4月。分年代看,从20世纪60年代到80年代逐年代减少,但90年代又增多Abstract: Based on the daily low temperature from 1959 to 2002,the characteristics of Wuxi's cold wave are analyzed.The results show that the yearly frequency was linear decreasing,and the decreasing mainly happened in Oct