Abstract
A comprehensive evaluation methodology for water environmental carrying capacity (WECC) has been proposed. It is based on a new definition of WECC and reasonable evaluation models compared with vector norm method for water resources supply, environmental assimilative capacity, and society supporting capacity. Evaluation index of WECC is determined for Xi an city, depending on characteristics of the water environment in Xi an and selection principles of WECC evaluation index. Three-layer structure model of evaluation factors is established and index weight of a class of factors is calculated based on analytic hierarchy process (AHP). Thereafter, fuzzy optimization model is adopted to determine each evaluation index weights of WECC. The results show that WECC in Xi an city is improved in recent years, but total status of WECC is still low. The reason may be caused by water resources shortage and negative issues of social rapid development.
Sign-in/Register to access full text options 
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
