中国地质调查2025，Vol.12Issue(4)：103-112,10.DOI:10.19388/j.zgdzdc.2024.194
基于层次分析法-熵权法耦合模型的地质灾害易发性评价
Susceptibility assessment of geological hazard based on analytic hierarchy process-entropy evaluation method coupling model:A case study of Qianxi County in Hebei Province
摘要
Abstract
Qianxi County features complex geological conditions and frequent human-induced modifications to the natural environment,resulting in significant development of geological hazards that pose serious threats to people's life and property.Based on the analysis of the geological conditions contributing to hazard development in Qianxi County,the authors selected eight assessment indicators to construct a susceptibility assessment index sys-tem,including elevation,slope gradient,slope aspect,relief amplitude,engineering geological rock groups,dis-tance from structural features,distance from roads,and distance from rivers.The independence of these indicators was validated through correlation analysis and collinearity diagnostics.The information value(IV)method was applied to calculate the information values for each assessment indicator,and subjective and objective weights were determined using the analytic hierarchy process(AHP)and entropy evaluation method(EEM),respective-ly.The comprehensive weights were then derived using minimum information entropy,and three models were es-tablished,that is,IV,WIV and AHP-EEW coupling model.The susceptibility assessment results were classi-fied into four levels(non-susceptible,low,moderate,and high)using the natural breaks method,and then val-idated by receiver operating characteristic(ROC)curve.The results indicated that the AHP-EEM coupling model achieved the highest accuracy,and the high,moderate,low,and non-susceptible zones covered 270.85 km2(accounting for 18.54％),462.09 km2(accounting for 31.63％),486.13 km2(accounting for 33.27％),and 241.93 km2(accounting for 16.56％),respectively.The AUC value of AHP-EEM coupling model was 0.875 6,demonstrating the highest alignment with the distribution of existing hazard sites and accu-rately reflecting regional geological conditions.The findings could provide valuable references for future disaster prevention and mitigation in this area.关键词
地质灾害/易发性评价/层次分析法/熵权法/最小相对信息熵/迁西县Key words
geological hazard/susceptibility assessment/analytic hierarchy process/entropy evaluation method/minimum relative information entropy/Qianxi County分类
天文与地球科学引用本文复制引用
周一文,单强,赵德刚,马丙太,梁爽,汪洋..基于层次分析法-熵权法耦合模型的地质灾害易发性评价[J].中国地质调查,2025,12(4):103-112,10.基金项目
河北省地质环境监测院"河北省地质资源环境监测与保护重点实验室项目(编号:JCYKT202406)"资助. （编号:JCYKT202406）
