Journal of Dalian Maritime University >
2016 , Vol. 42 >Issue 3: 56 - 62
DOI: https://doi.org/10.16411/j.cnki.issn1006-7736.2016.03.010
A comprehensive evaluation method of the waterway channel green level based on the entropy weight and gray correlation analysis
Received date: 2015-11-25
Revised date: 2016-03-04
Online published: 2016-03-04
Aiming at the lack of the evaluation method of the green level in waterway channel, the evaluation method of the green level of waterway channel was studied by using entropy weight and gray correlation analysis method, including the connotation of green waterway channel and evaluation index systems for the construction and operation of waterway channel. The entropy weight method was used to determine the weight of each index to make up for lack of index equal rights and experts assignment of original grey correlation, then the gray correlation analysis was used to get the evaluation value of green level, and all the information of each index was used, and the advantage of grey correlation is suitable for small sample with certain gray level. An empirical analysis of high grade channel of Zhejiang province was carried out, the result was compared with principal component analysis and entropy weight TOPSIS analysis. Results show that the proposed method can make a reasonable evaluation of the green level of waterway channel in construction and operation period, and provides a feasible evaluation method for the green level of waterway channel.
HOU Jue , LIU Fang , CHEN Zheng . A comprehensive evaluation method of the waterway channel green level based on the entropy weight and gray correlation analysis[J]. Journal of Dalian Maritime University, 2016 , 42(3) : 56 -62 . DOI: 10.16411/j.cnki.issn1006-7736.2016.03.010
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