Comparison of Summer Precipitation Evolution over the Last 30 Years between Urban and Rural Region of Beijing
近30年北京夏季降水演变的城郊对比

Based on the analysis of summer precipitation data from 13 weather stations in Beijing area, a comparison of the summer precipitation evolution tendencies between the urban and rural region of Beijing is performed over a period of 30 years (1975 to 2004). Some conclusions are drawn in the light of the analysis: 1) The summer precipitations in both rural and urban area had a descending tendency, and the precipitations in urban area were generally less than those in rural area over the 30 years.2) The compari...