Abstract：Using the day by day precipitation data at 8 stations in Jianghan Plain from 1958 to 2004, the climatic change characteristics of yearly precipitation in Jianghan Plain in four seasons were analyzed. The results indicated that the annual rainfall trend in most parts of Jianghan Plain illustrated as the obvious straight trend and rainfall trend was 5.7-78. 9mm/10a. It was discovered that the trend of mean annual rainfall of Jianghan Plain was increase during the 47 years, and annual rainfall rose up with an increase of 39. 9mm/10a, especially since the 1990s. The rainfall increased during summer and winter, and decreased during spring and autumn. Droughts were more frequent in 60 and 70s, and more floods since 1980s. Furthermore, flood frequency seemed to be gone up since 1980s.
收稿日期: 2007-03-25
引用本文:
许素,吴宜进,周勇. 江汉平原降水变化趋势的气候分析[J]. , 2007, 46(3): 0-0.
许素,吴宜进,周勇. Climatic trend of rainfall over Jianghan Plain from 1958 to 2004. , 2007, 46(3): 0-0.
