1994-2014年淮安市降水特征分析

根据1994—2014年淮安市盱眙、金湖、淮安区、洪泽、淮阴区、涟水6站降水资料，统计分析近21年来淮安市降水变化特征。结果表明，近21年淮安市降水分布特征为南多北少，年降水主要分布在6—8月；Mann－Kendall突变检验显示，近21年淮安市年降水量从1996年起呈显著上升趋势；而暴雨过程主要发生在6—8月，占暴雨过程总数的84．4％；暴雨过程降水量南部高于中北部，而日降水强度则北部高于南部。

The Precipitation Characteristics in Huaian City during 1994-2014

Precipitation data from 6 stations of Xuyi, Jinhu, Huaian, Hongze, Huaiyin, Lianshui were used to analyze the variation character-istics of precipitation in Huaian during the period from 1994 to 2014.The results showed that the precipitation in the south of Huaian was more than that in the north of Huaian.The main precipitation was concentrated from Jun.to Aug.; the annual precipitation of Huaian City had a significant upward trend since 1996, according to Mann-Kendall mutation test.The main rainstorm process occurred from Jun.to Aug., ac-counting for 84.4% of the total number of heavy rain process; rainstorm precipitation in southern area was higher than that in the north, but the daily precipitation in the north was more than that in the south.