基于组合权重方法对蒲河流域水资源承载能力模糊综合评价

发布时间：2018-01-13 11:56

本文关键词：基于组合权重方法对蒲河流域水资源承载能力模糊综合评价　出处：《节水灌溉》2014年07期 　论文类型：期刊论文

【摘要】：以往采用模糊综合评价方法对研究区进行评价时往往采用层次分析法确定权重,确定的权重值较为主观,为了克服层次分析法定权的主观性,采用熵权法和层次分析法确定了组合权重,对研究区水资源承载力进行评价。以蒲河流域为研究对象,建立符合蒲河流域自身特点的水资源承载能力综合评价指标体系,评价指标选取了单位面积水资源量、人均水资源可利用量、耕地灌溉率、人口密度、年人均GDP、万元GDP用水量、生态需水满足率、污水排放处理达标率等8个指标,运用组合权重计算各指标权重,对蒲河流域现状年水资源承载能力进行模糊综合评价。评价结果表明,蒲河流域水资源承载力总体水平处于适载与超载的临界状态,提升空间有限。
[Abstract]:In the past, the fuzzy comprehensive evaluation method was used to evaluate the study area, and the weight was determined by analytic hierarchy process (AHP), and the weight value was subjective, in order to overcome the subjectivity of AHP. The combined weight was determined by entropy weight method and analytic hierarchy process (AHP) to evaluate the carrying capacity of water resources in the study area. A comprehensive evaluation index system of water resources carrying capacity is established in accordance with the characteristics of Puhe river basin. The evaluation index selects water resources per unit area, per capita water resources availability, irrigation rate of cultivated land and population density. There are 8 indexes, such as per capita GDP, GDP water consumption, ecological water demand satisfaction rate, sewage treatment rate and so on. The combined weight is used to calculate the weight of each index. The fuzzy comprehensive evaluation of the carrying capacity of water resources in the current year of Puhe river basin shows that the overall level of carrying capacity of water resources in Puhe basin is in the critical state of suitable load and overload, and the lifting space is limited.
【作者单位】：沈阳农业大学水利学院;
【基金】：高等学校博士学科点专项科研基金项目(20112103120003)
【分类号】：TV213.4
【正文快照】： 水资源与社会经济、资源环境的发展有着密切的联系,水资源对社会经济发展的支撑有其极限值,我们对水资源的开发利用必须在其承载范围内进行,否则,就会带来水资源短缺、水污染、环境恶化的多方面问题[1]。蒲河流域位于沈阳市境内,蒲河生态廊道的建设改善了蒲河沿线的资源环境问

【相似文献】