The climate change characteristics of precipitation in the west region of china have been analyzed and studied comprehensively based on the data of yearly ,seasonal,monthly precipitation sequence and the number of rainy days on yearly .seasonal and temperature departure sequence of the Globa ,the Northern Hemisphere during the period of 1961 to 2000 at 109 stations in the West region of China.
Results show that the spatial distribution of the precipitation of the west is
ve...