基于耦合數(shù)值模型的降雨誘發(fā)滑坡-泥石流危險性評價

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關鍵詞:耦合數(shù)值模型;泥石流;動態(tài)演進過程;危險性評價;黃河上游中圖分類號:P642.2;TV882.1 文獻標志碼:A doi:10.3969/j.issn.1000-1379.2025.07.011引用格式:,,,等.基于耦合數(shù)值模型的降雨誘發(fā)滑坡-泥石流危險性評價[J].人民黃河,2024,46(7):66-72,77.
Risk Assessment of Rainfall-Induced Landslide-Debris Flow Based on Coupled Numerical Model
ZHAO Chencheng 1,2 ,LI Xiuzhen’,LI Quanlin 1,2 ,GONG Junhao 1,2 , SUN Jianguo 3 , ZHANG Shizhe 1,2 (1.Institute of Mountain Hazards and Environment,Chinese Academy of Sciences,Chengdu ,China;
2.University of Chinese Academy of Sciences,Beijing 10oo49,China:
3.China Railway Changjiang Transport Design Group Co.,Ltd.,Chongqing ,China)
Abstract:ThegeomorhicandgologicalconditionsinteupperreachesofteYelowRiverareharacteriedbycomplexityandfragilty Disasterssuchbsudifalletsrefrtlyddittoc VillgedebrisflowofGideCountylocatedontheupperreachesofteYelowRiver,wasseletedastheprimaryresearchfocusinthis study.Basedoooflevatdataieldivstigatiosndmoessingtepretatondplogicaldcal staisticalodels,nludingte,low-,ndO-odels,oectiobetwnladslidesanddebrisfowwastablis, withparticularempasisplacedonteoleofinaliducedlanslidesastematerialsoucefdebrisflows.Acouplednumercalodel describngthedamicevolutioofaifallnduedladslidesndebrisflowsadeveloped,ndthdaiciskofrlianGulldebs flow,uderaarifallsearoaatiaieledoupdodltolcoatedeiueneftcgo conditionsoftedisasterevirometonthdebrisfowsoucebutalsoaountedforthedamicmaterialsourceprovidedbyal-in duced landslides.
Key words: coupled numerical model; debris flow;evolution process; risk assessment;upper Yellow River
0 引言
隨著全球氣候變化的加劇,暴雨等極端天氣事件的發(fā)生頻次不斷增多,目前降雨誘發(fā)的滑坡-泥石流等災害的研究越來越引起國內外學者的廣泛關注和高度重視[1]。(剩余13174字)