基于熵值法的高速公路生态景观评价——以广西南友高速公路为例

Evaluation of Ecological Landscape of Expressway Based on Entropy Method——Taking Nanyou Expressway in Guangxi as an Example

为给高速公路生态景观的规划与建设提供科学参考,结合风景园林三元理论,构建评价体系熵权模型,采用熵值法对广西南友高速公路生态景观进行AHP-模糊数学法综合评价。结果表明,指标层15个指标中,优良指标共13个,优秀4项,占26.67%,良好9项,占60.00%,中等2项,占13.33%,没有差等级指标;准则层3大指标中,安全性设计评价结果为优秀,生态环境质量评价和景观效应评价为良好,没有中等及差等级。使用后评价综合得分3.98分,为良好等级,接近优秀等级,该高速公路生态景观评价总体佳。

In order to provide scientific reference for planning and construction of expressway’s ecological landscape,combining with three-dimensional theory of landscape architecture,building entropy weight model of evaluation system,AHP-Fuzzy mathematics comprehensive evaluation of ecological landscape of Guangxi Nanyou expressway was carried out by entropy method.Results showed that in fifteen indexes of index layer,there were thirteen excellent and good indexes,among which four were excellent,accounting for 26.67%and nine were good,accounting for 60.00%;two were medium,accounting for 13.33%;there was no bad index.In three indexes of criteria layer,safety design evaluation was excellent;ecological environment quality evaluation and landscape effect evaluation were good;there were no medium or bad indexes.Comprehensive score of post occupancy evaluation was 3.98,which was good and closed to excellent,so overall ecological landscape of expressway was good.