Water Consumed Structure Evolvement and Its Driving Forces for Guanzhong Region in the Past 20 Years

The rational determination and scientific forecast of water consumption structure is the foundation of water resources utilization and planning.It has great significance for carrying out regional water resources reasonable allocation and social economy moderate development.Based on the evolvement regulation of water consumed structure in Guanzhong region in about 20 years lately,information entropy was introduced to discuss the trend of water consumed structure evolvement in this paper.Influence factors of the gross water consumed quantity in Guanzhong region were selected by using the software SPSS,and then the main driving forces resulted in variety of water consumed structure were clarified.