The Climatic and Hydrologic Response to Global Warming in Guanzhong Region

Based on the data of the annual mean temperature and annual precipitation in Guanzhong region from 1953 to 1999 and the annual mean temperature in China in the same period, the temperature changes in Guanzhong and that in China, and the correlation between temperature and precipitation in this region in recent 50 years are analyzed and compared. The water resource devolution in Guanzhong is also discussed. Results show the regional climatic characteristics and drying and warming tendency in Guanzhong in the background of global change. The climatic drying and warming in this region will be serious in the future, so the ecological environment will be more vulnerable and harmful to the development of economical society. It is suggested that steps should be taken to strengthen the construction of ecological environment in the development of the Northwest.