Assessment and Analysis on the Water Resource Vulnerability in Arid Zone Based on the PSR Model

Abstract

The ecological environment in Hotan area had been remained a prominent issue , as the most important factor among ecological environment, the vulnerability of water resource in Hotan area is going to be affected by the vulnerability of the ecological environment. This paper established the Pressure-State-Response model (PSR), made an assessment on the vulnerability of water resource in Hotan area with comprehensive index method, and the study shows that between 2004-2007 in Hotan area, the state of the water resource vulnerability was getting better; and after 2007, the vulnerability of water resource was getting serious. Under the current state, the industrial waste water treatment, agricultural water-saving, control of water and soil loss are all significant approaches to eliminate the vulnerability of water resource in south of Xin Jiang.