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本文通过对山区河流的基本特征研究,从生态功能和人类服务功能两大角度建立了山区河流健康评价系统,并基于投影寻踪理论构建了山区河流健康评估指标体系。以中国西南地区某典型山区河流为研究对象,本文对该河流水电开发前后的健康状况进行了研究。结果显示水电开发后河流综合健康状况较现状有显著提高。在此基础上,本文进一步通过对投影指标体系的结构特征分析,提出了维持河流健康的对策。
Based on the study of the basic characteristics of mountain rivers, this paper established a mountain river health evaluation system from two perspectives of ecological functions and human service functions. Based on the projection pursuit theory, this paper established a mountain river health assessment index system. Taking a typical mountain river in Southwest China as the research object, this paper studies the health status of the river before and after hydropower development. The results show that the comprehensive health status of rivers after hydropower development is significantly higher than the status quo. On this basis, this article further through the analysis of the structural characteristics of the projection index system, put forward the measures to maintain river health.