River Health Assessment Based on Fuzzy Matter-element Model

• 来源期刊: 气象与环境研究：英文版
• 学科: 地球科学
• 年，卷（期）: 2011,（10）
• 页码范围: 1-4
• 页数: 4页
• 分类号: X82

摘要

[Objective] The study aimed to assess the health state of rivers by using fuzzy matter-element model.[Method] Based on fuzzy matter-element analysis theory,the assessment model of river health was established,then a modified method to calculate the superior subordinate degree was put forward according to Hamming distance.Afterwards,a multi-level evaluation model,which contained the assessment indicators about hydrological features,ecological characteristics,environmental traits and service function,was set ...