Herein,we use aridity index,isohyet,and correlation analysis methods to decide the locations and ranges of semi-arid zone,agriculture and pasture interlaced zone,East Asian summer monsoon,and Indian summer monsoon, respectively.Daily precipitation and 20 evaporation pans data were collected between 1958 and 2000 at 553(on the whole China) and 295(in northern China) meteorological stations operated by the Chinese Meteorological Administration.We also use East Asian summer monsoon intensity index data in the ...