Ecological Loss Analysis of Water Environment of Arid Area of Northwest China during Highway Construction

With the rapid development of highway construction in China, the arid area of northwest China is one of the areas that w ill be exploited during the massive development of west china, especially with highway construction. But the water environment in this area have been over used for a long time due to highway construction. This paper on the analysis of the ecological loss of water environment of Drought Area of Northwest China, discusses the choices of alignment and construction.