【摘要】 利用大洼县1961~2010年的气温、降水、日照等资料,统计分析该县50年气候变化特征。结果表明,近50年大洼县全年及春、夏、秋、冬季四季平均气温总体呈上升趋势,以冬季增温最为明显;降水全年及春、夏、冬季有增多的趋势,秋季有减少的趋势,夏季降水量增幅最大;全年及四季的日照变化明显呈减少趋势,其中夏季日照时数减少幅度最大。更多还原

【Abstract】 By using temperature,precipitation,sunshine data in Dawa County during 1961- 2010,the climate variation characteristics were analyzed. The results showed that the annual,spring,summer,autumn and winter mean temperature indicate rise trend,especially in winter;the annual precipitation,spring,summer,winter indicate increase trend,except for autumn; sunshine throughout the year and the seasons change significantly decreasing trend,the number of sunshine hours reduce sharpest during the summer.更多还原