[1]孙晓丹,孙帅涛.基于多源数据的麻栗坡县泥石流危险性、易损性与风险评估[J].华南地震,2026,46(05):173-183.[doi:10.13512/j.hndz.2026.05.21]
　SUN Xiaodan,SUN Shuaitao.Risk Assessment, Vulnerability and Risk of Debris Flows in Malipo County Based on Multi-Source Data[J].,2026,46(05):173-183.[doi:10.13512/j.hndz.2026.05.21]
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基于多源数据的麻栗坡县泥石流危险性、易损性与风险评估()

华南地震[ISSN:1006-6977/CN:61-1281/TN]

卷:
46
期数:
2026年05期
页码:
173-183
栏目:
地震与地质灾害
出版日期:
2026-09-07

文章信息/Info

Title:
Risk Assessment, Vulnerability and Risk of Debris Flows in Malipo County Based on Multi-Source Data
文章编号:
1001-8662（2026）05-0173-11
作者:
孙晓丹1; 孙帅涛2
1.河南省地质科学研究所有限公司 郑州 450001;2.河南省第四地质勘查院有限公司 郑州 450001
Author(s):
SUN Xiaodan1; SUN Shuaitao2
1.Henan Institute of Geological Sciences Co., Ltd., Zhengzhou 450001, China;2.The Fourth Geological Exploration Institute of Henan Province Co., Ltd., Zhengzhou 450001, China
关键词:
泥石流; 危险性; 易损性; 风险; 多源数据; 麻栗坡县
Keywords:
Debris flow;  Hazard;  Vulnerability;  Risk;  Multi-source data;  Malipo County
分类号:
P694
DOI:
10.13512/j.hndz.2026.05.21
文献标志码:
A
摘要:
随着气候变化和人类活动的影响，泥石流灾害的风险逐渐加剧。以云南省麻栗坡县为例，构建了基于多源数据的泥石流风险评价模型，旨在系统评估该地区的泥石流危险性、易损性及综合风险空间分布。研究采用遥感影像、数字高程模型等数据，提取危险性因子和易损性因子，并运用层次分析法确定各因子权重。通过GIS加权叠加评估危险性等级，构建易损性加权模型，结合风险矩阵生成泥石流风险分区图。结果表明：麻栗坡县泥石流风险呈现西南高、东北低的分布格局，高风险区主要集中在西南部的陡坡和降雨丰沛区域。研究提出的多因子综合评价方法可为类似地区泥石流风险评估提供重要参考。
Abstract:
With the impact of climate change and human activities, the risk of debris flow disasters is gradually increasing. Taking Malipo County in Yunnan Province as an example, a debris flow risk assessment model based on multi-source data was constructed to systematically evaluate the hazard, vulnerability and comprehensive risk spatial distribution of debris flow in the area. The study used data such as remote sensing images and digital elevation models to extract risk factors and vulnerability factors, and employed the analytic hierarchy process to determine the weight of each factor. The hazard level was evaluated through weighted overlay analysis in GIS, the vulnerability weighted model was constructed, and a debris flow risk zoning map was generated based on the risk matrix. The results show that the risk of debris flow in Malipo County shows a distribution pattern of high in the southwest and low in the northeast. High-risk areas are mainly concentrated in steep slopes and rainfall-rich areas in the southwest. The multi-factor comprehensive evaluation method proposed in this study can provide an important reference for debris flow risk assessment in similar areas.

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备注/Memo

备注/Memo:
收稿日期：2025-12-09
作者简介：孙晓丹（1982-），女，工程师，主要研究方向为水工环地质调查。E-mail: 630300525@qq.com
通信作者：孙帅涛（1990-），男，工程师，主要研究方向为工程地质勘察。E-mail: 243857207@qq.com
更新日期/Last Update: 2026-09-20