青海省最高、最低气温不对称性变化的诊断分析

利用青海省１３个站逐月最高、最低气温资料，分析了月、季、年平均最高、最低气温的变化。结果表明最高、最低气温存在明显不对称变化趋势，尤其是３、４月存在明显的反向变化趋势。同时分析了西宁城市效应对最高、最低气温的影响。

An Diagnosis Analysis of Asymmetry Variations of Maximum and Minimum Temperature in Qinghai Province

Using the monthly maximum and minimum temperature data in 13 represent ative stations in Qinghai province, the variations of mean monthly, seasonal and year maximum and minimum temperature are analysed. The analysis result shows that there exists an obvious asymmetry variations, especially, obvious anti variatios are seen in March and April. At the same time, urbanization effect on maximurn and minimum temperature are analysed.