The Evaluation Of Water Quality Security In Chengdu

Chengdu is both the science, finance center and transportation, communication hinge of south-west china. After nearly three decades of economic reform and booming industrial development, more and more waste which would induce serious environment proplem is charging into the river and lake directly or indirectly in the city. This phenomenon is especially significant in heavy metal pollution,This article in to the Chengdu river system basic situation and in the environment present situation full investigation and study foundation, the choice has "three rivers" to take representatively the research object, the application of the determinate fuzzy comprehensive evaluation method sets up the distinction law to carry on the appraisal to the research area, has verified "three rivers" the main pollutant, as well as has divided various sections of river water quality category, has analyzed the pollutant in rivers migration, the transformed influence factor, has established the water quality model, studies through the above by the time provides the theory basis to the Chengdu environment management and the protection.