Research on Urban Water Security Evaluation Based on Technique for Order Preference by Similarity to Ideal Solution Model

Abstract

Urban water safety evaluation is an important content of urban water safety management. In this paper, combining with the characters and influencing factors of urban water safety system, index system of urban water safety evaluation is established. The model of urban water safety evaluation based on Technique for Order Preference by Similarity to Ideal Solution is provided and is used to evaluate water security of Nanjing. The result shows that the model is effective and the state of Nanjing water security is better and better in the future years.