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[1]蔡永辉,王章琼*,周 意,等.基于IAHP-熵值法的滑坡易发性评价[J].武汉工程大学学报,2023,45(04):456-461.[doi:10.19843/j.cnki.CN42-1779/TQ.202206002]
 CAI Yonghui,WANG Zhangqiong*,ZHOU Yi,et al.Evaluation of Landslide Susceptibility Based on IAHP Entropy Method[J].Journal of Wuhan Institute of Technology,2023,45(04):456-461.[doi:10.19843/j.cnki.CN42-1779/TQ.202206002]
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基于IAHP-熵值法的滑坡易发性评价(/HTML)
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
45
期数:
2023年04期
页码:
456-461
栏目:
资源与环境工程
出版日期:
2023-08-31

文章信息/Info

Title:
Evaluation of Landslide Susceptibility Based on IAHP Entropy Method
文章编号:
1674 - 2869(2023)04 - 0456 - 06
作者:
蔡永辉王章琼*周 意徐晓雅赵歧林
武汉工程大学土木工程与建筑学院,湖北 武汉 430074
Author(s):
CAI Yonghui WANG Zhangqiong* ZHOU Yi XU Xiaoya ZHAO Qilin
School of Resource and Civil Engineering, Wuhan Institute of Technology, Wuhan 430074, China

关键词:
滑坡熵值层次分析法易发性评价
Keywords:
landslide entropy analytic hierarchy process susceptibility assessment
分类号:
P642.22
DOI:
10.19843/j.cnki.CN42-1779/TQ.202206002
文献标志码:
A
摘要:
区域滑坡易发性评价是滑坡灾害防治工作的一个重要环节,针对传统层次分析法在滑坡易发性评价中存在权重赋值依据不明确的缺陷,提出以熵值作为赋值依据的改进层次分析法。以贵州省赫章县80个滑坡点为例,选取高程、坡度、坡向、曲率、植被系数(NDVI)、岩性、距道路距离、距房屋距离、距断层距离作为滑坡影响因子;以熵值作为赋值依据,采用层次分析法求得滑坡影响因子的权重;对影响因子进行分级赋值,并确定滑坡易发性分级标准;在此基础上,构建起滑坡易发性评价体系,并利用GIS软件进行研究区滑坡易发性区划。结果表明:采用改进层次分析法计算时,46个滑坡位于高易发区(占样本总数的57.5%),13个滑坡位于低易发区(占样本总数的16.25%),相比传统层次分析法计算结果,分别高15%和低11.25%。因此,改进层次分析法具有更高的准确率。

Abstract:
Evaluation of regional landslide susceptibility is an important part of landslide disaster prevention and control. Aiming at the defect that the weight assignment basis of the traditional analytic hierarchy process is not clear in the evaluation of landslide susceptibility, an improved analytic hierarchy process based on entropy was proposed. Taking 80 landslide points in Hezhang County, Guizhou Province of China as study cases, the elevation, slope, slope direction, curvature, vegetation coefficient, lithology, distance from road, house and fault were selected as the landslide influence factors. The entropy values were used as the basis for assignment, and the weights of landslide influence factors were obtained by analytic hierarchy process. Then, the influence factors were assigned to different levels, and the classification standard of landslide susceptibility was determined. On this basis, the evaluation system of landslide susceptibility was established, and the landslide susceptibility zoning of the study area was carried out by using GIS software. The results show that when using the improved analytic hierarchy process, 46 landslides are located in high susceptibility area (accounts for 57.5% of the total samples), and 13 landslides are located in low susceptibility area (accounts for 16.25% of the total samples), which are 15% higher and 11.25% lower respectively compared with that of the traditional analytic hierarchy process. Therefore, the improved analytic hierarchy process has higher accuracy.



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备注/Memo

备注/Memo:
收稿日期:2022-06-02
基金项目:国家自然科学基金(52278369)
作者简介:蔡永辉,硕士研究生。E-mail:[email protected]
*通讯作者:王章琼,博士,副教授。E-mail:wzqcug@ 163.com
引文格式:蔡永辉, 王章琼, 周意, 等. 基于IAHP-熵值法的滑坡易发性评价[J]. 武汉工程大学学报,2023,45(4):456-461.
更新日期/Last Update: 2023-08-31