基于集成學(xué)習(xí)和考慮滑坡負(fù)樣本的滑坡易發(fā)性評(píng)價(jià)

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關(guān)鍵詞：滑坡易發(fā)性；集成學(xué)習(xí)；信息量法；滑坡負(fù)樣本；黃河上游中圖分類號(hào)：TP181;P642.22;TV882.1 文獻(xiàn)標(biāo)志碼：A doi：10.3969/j.issn.1000-1379.2025.07.019引用格式：，，，等.基于集成學(xué)習(xí)和考慮滑坡負(fù)樣本的滑坡易發(fā)性評(píng)價(jià)[J].人民黃河，2025，47（7）：116-123

Landslide Susceptibility Evaluation Based on Integrated Learning and Considering Landslide Negative Samples

ENG Yuanxun1， ZHOU Kangkang1，HU Shaowei1， ZHANG Haichao2，YU Guoqing3， XU Lukai 3 ，PENG Hao2 （1.College of Water Conservancy and Transportation， Zhengzhou University，Zhengzhou 45ooo1，China; 2.Power China Guiyang Engineering Corporation Limited， Guiyang 55O081， China; 3.Yellow River Institute of Hydraulic Research，YRCC，Zhengzhou 45OOO3，China）

Abstract：TevaluatioflndslidesuseptibitisofgeatgficanforgioaldisasterpreventionditigatioIviefei suesthatesinglecaifeintelandslidesuseptibilityvaluatiousingmacinlangalgodporpresn，dleo ofnegativesamplesoflanslidesaselatielybirarylndslidsuscetilityeaationoelaspropod，hchombdl tionmethodofnegativesamplesoflandslidesbasedonteinformationquantymetodwithmachineleaingintegrationalgorithms.Taking thesectionfromLijaxiatoGongboxiainteuppereachsoftheYllowRiverasthestudyaea3evaluationfactorssuchaselevation， slopegradientndpreipitaoneresecedasthevalatofctorsforlndslidurceresetionetdsfrgieples flandslides，namelyuferzon，lowslopeadientandifoatioquantityereadoptedBylingtheladslidesuscebilityevuationmodelsoftheasficationndessontree（AR）andeeitegatedlngrits（Bagng，oosting，ndadofor est），theperfomaeofteeuatiooelsunderdientintegatedeaingagritsanddintselectionetdsfotie plesoflandslideswasaalyzd.Thsultssowtatteintegatedleaigalgoritcasignificantlyimprovetepeformanceofthesingle baseclssifierandteiprovemenefetofteBoostingalgoiisteostpromientTeselectionmetodofegatiesamplebased onthe informationquantitytakesmostoftheevaluationfactorsintofullconsideration，andthereliabilityofthemodelishigher.

Keywords：landslidesusceptibility；integratedlearning；informationvaluemethod；landslidenegativesamples；upperreachesofthe Yellow River

0 引言

黃河上游李家峽至公伯峽區(qū)間地質(zhì)結(jié)構(gòu)復(fù)雜、晝夜溫差大、生態(tài)環(huán)境脆弱、河流下切作用強(qiáng)烈，眾多因素導(dǎo)致該區(qū)域地質(zhì)災(zāi)害發(fā)生頻繁[1]，防治形勢(shì)嚴(yán)峻。（剩余10835字）