[1]ZHANG Xia,ZHENG Yu,WANG Ya-ping.Application of TOPSIS Model to Beneficial Evaluation of Soil and Water Conversation of Qinling Ecological Function Region Based on Gray Correlation Degree[J].Research of Soil and Water Conservation,2013,20(06):188-191.
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Application of TOPSIS Model to Beneficial Evaluation of Soil and Water Conversation of Qinling Ecological Function Region Based on Gray Correlation Degree
Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume:
20
Number of periods:
2013 06
Page number:
188-191
Column:
Public date:
2013-12-28
- Title:
- Application of TOPSIS Model to Beneficial Evaluation of Soil and Water Conversation of Qinling Ecological Function Region Based on Gray Correlation Degree
- Keywords:
- soil and water conversation; Qinling ecological function region; TOPSIS; gray correlation degree
- CLC:
- S157.2
- DOI:
- -
- Abstract:
- In order to solve the determination of the index weight in TOPSIS model, an entropy method was put forward to calculate the index weight, and then gray system theory was combined to construct a TOPSIS evaluation model based on the gray correlation degree. According to ten years of related data on soil and water loss and governance of Qinling region, the effectiveness of this method was finally proven. The quantify evaluation model explored the dynamic state of soil and water conversation in Qinling ecological function region, and was tested by gray clustering. The results showed that soil and water loss had not effectively controlled at the early stage of implementation on ecological environmental protection measures because the measures were not perfect and its roles were relative lag. With various measures gradually deepening, the harness benefit of soil and water conservation was greatly promoted, and its index rose 1.24 times compared to the initial stage. The gradual development of ecological environment benefit was conducive to the improvement of the Qinling ecological functions. The evaluation methodology provided new ideas for the effectiveness of regional soil and water conservation measures, and can provide the reliable basis for government decision-making and comprehensive management, macro-control in Qinling ecological function region.
- References:
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