基于熵权TOPSIS模型的景区生态脆弱性评价方法

IF 0.5 Q4 ENGINEERING, ENVIRONMENTAL International Journal of Environmental Technology and Management Pub Date : 2023-01-01 DOI:10.1504/ijetm.2023.127339
Jiong Li
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引用次数: 3

摘要

为解决传统生态脆弱性评价方法准确性差的问题,提出了一种基于熵权TOPSIS模型的景区生态脆弱性评价方法。首先,对景区自然环境和条件进行分析,确定景区生态脆弱性评价指标,并通过空间主成分分析构建评价指标体系。然后,根据景区生态脆弱性指数对评价指标进行标准化和分级。最后,利用熵权TOPSIS模型计算生态脆弱性指数权重,确定生态脆弱性指数。建立景区生态脆弱性评价模型后,将生态脆弱性指标输入到模型中,输出评价结果。结果表明,该方法的精度高达0.98。
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Evaluation method of ecological vulnerability of scenic spots based on entropy weight TOPSIS model
In order to solve the problem of poor accuracy of traditional ecological vulnerability assessment methods, an ecological vulnerability assessment method of scenic spots based on entropy weight TOPSIS model is proposed. Firstly, it analyses the natural environment and conditions of the scenic spot, determines the ecological vulnerability evaluation index of the scenic spot, and constructs the evaluation index system through spatial principal component analysis. Then, the evaluation indexes are standardised and graded according to the ecological vulnerability index of scenic spots. Finally, the weight of ecological vulnerability index is calculated by using entropy weight TOPSIS model, and the ecological vulnerability index is determined. After building the ecological vulnerability assessment model of scenic spots, input the ecological vulnerability indicators into the model and output the assessment results. The results show that the accuracy of this method is as high as 0.98.
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来源期刊
CiteScore
1.00
自引率
0.00%
发文量
66
期刊介绍: IJETM is a refereed and authoritative source of information in the field of environmental technology and management. Together with its sister publications IJEP and IJGEnvI, it provides a comprehensive coverage of environmental issues. It deals with the shorter-term, covering both engineering/technical and management solutions.
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