Precipitation is the basic source of water resources,and it is one of the basis elements of water resources changes.Analysis of precipitation changes in the Northeast China over the past century,can provide support for local economic and social development.In this study,the annual precipitation data form 1906 to 2007 at the stations of Harbin,Changchun and Shenyang were used to analyze the statistical characteristics and trends of precipitation changes in a century in the Northeast China.The average precipi...
修改评论