Article(id=1156983788170466144, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1156983783787421903, articleNumber=null, orderNo=null, doi=10.12404/j.issn.1671-1815.2402758, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1713196800000, receivedDateStr=2024-04-16, revisedDate=1732032000000, revisedDateStr=2024-11-20, acceptedDate=null, acceptedDateStr=null, onlineDate=1753776030818, onlineDateStr=2025-07-29, pubDate=1739808000000, pubDateStr=2025-02-18, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1753776030818, onlineIssueDateStr=2025-07-29, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1753776030818, creator=13701087609, updateTime=1753776030818, updator=13701087609, issue=Issue{id=1156983783787421903, tenantId=1146029695717560320, journalId=1146123166801305609, year='2025', volume='25', issue='5', pageStart='1753', pageEnd='2192', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1753776029774, creator=13701087609, updateTime=1769691857141, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1223739602251436918, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1156983783787421903, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1223739602251436919, tenantId=1146029695717560320, journalId=1146123166801305609, issueId=1156983783787421903, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=1827, endPage=1839, ext={EN=ArticleExt(id=1156983790515082094, articleId=1156983788170466144, tenantId=1146029695717560320, journalId=1146123166801305609, language=EN, title=Optimization of Landslide Susceptibility Assessment Method Coupling Mathematical Statistics and Machine Learning Models, columnId=1156262729351549255, journalTitle=Science Technology and Engineering, columnName=Papers·Astronomy and Geosciences, runingTitle=null, highlight=null, articleAbstract=
Landslide geological hazard susceptibility assessment is an important means of hazard prevention and reduction. The selection and optimization of susceptibility assessment model is very important. Sinan County was selected as the study area, and 16 assessment factors such as elevation, slope, curvature, lithology, land use, and average annual precipitation were selected. Frequency ratio (FR) model was coupled with support vector machine (SVM) model and random forest (RF) model. Grid search method was introduced to obtain the optimal parameter combination of SVM model, RF model and their coupling model for model training. Finally, SVM, RF, FR-SVM and FR-RF models were constructed to predict landslide susceptibility in the whole study area, and receiver operating characteristics (ROC) curve was performed verification. The results show that compared with the single machine learning model, the coupled machine learning model has more landslide hazard samples fall in the high zone and the very high zone, and has higher accuracy. In the single model, more landslide hazard samples in the RF model fall in the high zone and the extremely high zone. In the coupled model, more landslide hazard samples in the FR-RF model fall in the high zone and the very high zone, and no hazard samples points in the FR model and the FR-RF model fall in the very low zone, indicating that no matter the single model or the coupled model, The performance of RF model is better than that of SVM model. The AUC values of ROC prediction curves of the four models are 0.831 6, 0.843 9, 0.864 4 and 0.910 4, indicating that the coupling model combined with FR model and RF model has a higher accuracy, and this model is more suitable for the assessment of landslide susceptibility in Sinan County. The assessment results can provide some reference for hazard prevention and reduction of local landslide geological hazards.
, correspAuthors=Xing-yuan JIANG, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, authorCompany=null, fund=null, authors=null, authorsList=Shan-dong LIU, Jun LI, Xing-yuan JIANG, Yi YANG, Rong-qian ZHAO), CN=ArticleExt(id=1156983947403022557, articleId=1156983788170466144, tenantId=1146029695717560320, journalId=1146123166801305609, language=CN, title=基于数学统计与机器学习模型耦合的滑坡易发性评价方法优化, columnId=1156262730077163858, journalTitle=科学技术与工程, columnName=论文·天文学、地球科学, runingTitle=null, highlight=null, articleAbstract=滑坡地质灾害易发性评价是防灾减灾的一种重要手段,易发性评价模型的选取和优化至关重要。以思南县为研究区,选取高程、坡度、曲率、地层、土地利用、年平均降雨量等16个评价因子,采用频率比(frequency ratio,FR)模型与支持向量机(support vector machine,SVM)模型和随机森林(random forest,RF)模型相耦合,引入网格搜索方法来获取SVM模型、RF模型及其耦合模型最优参数组合并用于模型训练,最终构建SVM、RF、FR-SVM及FR-RF模型对整个研究区进行滑坡易发性预测,并进行了受试者操作特征(receiver operating characteristics,ROC)曲线验证。结果表明:与单一机器学习模型相比,耦合机器学习有更多的滑坡灾害样本落于高易发区和极高易发区,有更高的准确率。单一模型中,RF模型有较多的滑坡灾害样本落于高易发区和极高易发区,耦合模型中,FR-RF模型有较多的滑坡灾害样本落于高易发区和极高易发区,且FR模型和FR-RF模型中没有滑坡灾害样本落在极低易发区,表明无论是单一模型还是耦合模型,RF模型的性能优于SVM模型。4种模型的ROC预测曲线的曲线下面积(area under the curve,AUC)分别为0.831 6、0.843 9、0.864 4、0.910 4,说明FR模型与RF模型结合的耦合模型有更高的准确率,该模型更适用于思南县的滑坡易发性评价研究,评价结果可为当地滑坡地质灾害的防灾减灾提供一定的参考。, correspAuthors=江兴元, authorNote=null, correspAuthorsNote=
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, authorsList=刘山东, 李军, 江兴元, 杨义, 赵荣乾)}, authors=[Author(id=1225467176451223961, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156983788170466144, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=liushandonggiser@163.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1225467177839538602, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156983788170466144, authorId=1225467176451223961, language=EN, stringName=Shan-dong LIU, firstName=Shan-dong, middleName=null, lastName=LIU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1 Key Laboratory of Karst Georesources and Environment (Guizhou University), Ministry of Education, Guiyang 550025, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1225467178250580418, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156983788170466144, authorId=1225467176451223961, language=CN, stringName=刘山东, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1 喀斯特地质资源与环境教育部重点实验室(贵州大学), 贵阳 550025, bio={"content":"
刘山东(2000—),男,汉族,贵州毕节人,硕士研究生。研究方向:InSAR、地质灾害易发性评价。E-mail:liushandonggiser@163.com。
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刘山东(2000—),男,汉族,贵州毕节人,硕士研究生。研究方向:InSAR、地质灾害易发性评价。E-mail:liushandonggiser@163.com。
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1 喀斯特地质资源与环境教育部重点实验室(贵州大学), 贵阳 550025)])]), Author(id=1225467178464489933, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156983788170466144, orderNo=1, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1225467178682593763, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156983788170466144, authorId=1225467178464489933, language=EN, stringName=Jun LI, firstName=Jun, middleName=null, lastName=LI, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2 114 Geological Brigade, Guizhou Geological and Mining Bureau, Zunyi 563000, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1225467178829394417, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156983788170466144, authorId=1225467178464489933, language=CN, stringName=李军, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2 贵州省地质矿产勘查开发局114地质大队, 遵义 563000, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1225467176061153647, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156983788170466144, xref=2, ext=[AuthorCompanyExt(id=1225467176073736559, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156983788170466144, companyId=1225467176061153647, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2 贵州省地质矿产勘查开发局114地质大队, 遵义 563000)])]), Author(id=1225467179009749507, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156983788170466144, orderNo=2, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=xyjiang3@gzu.edu.cn, emailSecond=null, emailThird=null, correspondingAuthor=1, authorType=1, ext={EN=AuthorExt(id=1225467179169133073, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156983788170466144, authorId=1225467179009749507, language=EN, stringName=Xing-yuan JIANG, firstName=Xing-yuan, middleName=null, lastName=JIANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 3, *, address=
1 Key Laboratory of Karst Georesources and Environment (Guizhou University), Ministry of Education, Guiyang 550025, China
3 College of Resources and Environmental Engineering, Guizhou University, Guiyang 550025, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1225467179341099552, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156983788170466144, authorId=1225467179009749507, language=CN, stringName=江兴元, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1 喀斯特地质资源与环境教育部重点实验室(贵州大学), 贵阳 550025
3 贵州大学资源与环境工程学院, 贵阳 550025, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1225467175843049819, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156983788170466144, xref=1, ext=[AuthorCompanyExt(id=1225467175876604253, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156983788170466144, companyId=1225467175843049819, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1 Key Laboratory of Karst Georesources and Environment (Guizhou University), Ministry of Education, Guiyang 550025, China), AuthorCompanyExt(id=1225467175910158689, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156983788170466144, companyId=1225467175843049819, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1 喀斯特地质资源与环境教育部重点实验室(贵州大学), 贵阳 550025)]), AuthorCompany(id=1225467176233120128, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156983788170466144, xref=3, ext=[AuthorCompanyExt(id=1225467176287646088, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156983788170466144, companyId=1225467176233120128, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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3 贵州大学资源与环境工程学院, 贵阳 550025)])]), Author(id=1225467179500483124, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156983788170466144, orderNo=3, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1225467179613729348, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156983788170466144, authorId=1225467179500483124, language=EN, stringName=Yi YANG, firstName=Yi, middleName=null, lastName=YANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1 Key Laboratory of Karst Georesources and Environment (Guizhou University), Ministry of Education, Guiyang 550025, China
3 College of Resources and Environmental Engineering, Guizhou University, Guiyang 550025, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1225467179743752787, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156983788170466144, authorId=1225467179500483124, language=CN, stringName=杨义, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1 喀斯特地质资源与环境教育部重点实验室(贵州大学), 贵阳 550025
3 贵州大学资源与环境工程学院, 贵阳 550025, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1225467175843049819, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156983788170466144, xref=1, ext=[AuthorCompanyExt(id=1225467175876604253, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156983788170466144, companyId=1225467175843049819, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1 喀斯特地质资源与环境教育部重点实验室(贵州大学), 贵阳 550025)]), AuthorCompany(id=1225467176233120128, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156983788170466144, xref=3, ext=[AuthorCompanyExt(id=1225467176287646088, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156983788170466144, companyId=1225467176233120128, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3 College of Resources and Environmental Engineering, Guizhou University, Guiyang 550025, China), AuthorCompanyExt(id=1225467176325394829, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156983788170466144, companyId=1225467176233120128, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3 贵州大学资源与环境工程学院, 贵阳 550025)])]), Author(id=1225467179978633840, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156983788170466144, orderNo=4, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1225467180138017408, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156983788170466144, authorId=1225467179978633840, language=EN, stringName=Rong-qian ZHAO, firstName=Rong-qian, middleName=null, lastName=ZHAO, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
3, address=
3 College of Resources and Environmental Engineering, Guizhou University, Guiyang 550025, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1225467180272235153, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156983788170466144, authorId=1225467179978633840, language=CN, stringName=赵荣乾, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
3, address=
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79(1): 533-549., articleTitle=Application of a GIS-based slope unit method for landslide susceptibility mapping along the rapidly uplifting section of the upper Jinsha River, south-western China, refAbstract=null)], funds=[Fund(id=1225467188891529373, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156983788170466144, awardId=42007271, language=CN, fundingSource=国家自然科学基金(42007271), fundOrder=null, country=null), Fund(id=1225467189063495849, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156983788170466144, awardId=黔科合支撑[2023]一般119, language=CN, fundingSource=贵州省科技支撑计划项目(黔科合支撑[2023]一般119), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1225467175843049819, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156983788170466144, xref=1, ext=[AuthorCompanyExt(id=1225467175876604253, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156983788170466144, companyId=1225467175843049819, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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3 College of Resources and Environmental Engineering, Guizhou University, Guiyang 550025, China), AuthorCompanyExt(id=1225467176325394829, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156983788170466144, companyId=1225467176233120128, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3 贵州大学资源与环境工程学院, 贵阳 550025)])], figs=[ArticleFig(id=1225467183753507674, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156983788170466144, language=EN, label=Fig.1, caption=
The principle of support vector machine model, figureFileSmall=oRB9jMbxay8xswj/gc+diw==, figureFileBig=cCgW8NgPyDb1Fle/PIA8fA==, tableContent=null), ArticleFig(id=1225467183891919723, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156983788170466144, language=CN, label=图1, caption=
支持向量机模型原理, figureFileSmall=oRB9jMbxay8xswj/gc+diw==, figureFileBig=cCgW8NgPyDb1Fle/PIA8fA==, tableContent=null), ArticleFig(id=1225467184038720378, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156983788170466144, language=EN, label=Fig.2, caption=
The principle of random forest model, figureFileSmall=JWRa2Y5xVyzKjanT1A/mSA==, figureFileBig=iXBz5fv/FQCDCQoJc803qw==, tableContent=null), ArticleFig(id=1225467184177132423, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156983788170466144, language=CN, label=图2, caption=
随机森林模型原理, figureFileSmall=JWRa2Y5xVyzKjanT1A/mSA==, figureFileBig=iXBz5fv/FQCDCQoJc803qw==, tableContent=null), ArticleFig(id=1225467184277795730, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156983788170466144, language=EN, label=Fig.3, caption=
The principle of couple model, figureFileSmall=rjKxWI/48JQ7f+copkRGYA==, figureFileBig=lm8qLHgM4inZ+c7SvqYFwA==, tableContent=null), ArticleFig(id=1225467184432984987, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156983788170466144, language=CN, label=图3, caption=
耦合模型原理, figureFileSmall=rjKxWI/48JQ7f+copkRGYA==, figureFileBig=lm8qLHgM4inZ+c7SvqYFwA==, tableContent=null), ArticleFig(id=1225467184537842598, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156983788170466144, language=EN, label=Fig.4, caption=
Geographical localization and landslide hazard distribution map of the study area, figureFileSmall=p3zcbQiEK6GkDYub2SCFkA==, figureFileBig=/S65rMhnLGKfMIGhu4exIg==, tableContent=null), ArticleFig(id=1225467184634311601, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156983788170466144, language=CN, label=图4, caption=
研究区地理位置及滑坡灾害分布图 审图号:GS(2020)4619号
, figureFileSmall=p3zcbQiEK6GkDYub2SCFkA==, figureFileBig=/S65rMhnLGKfMIGhu4exIg==, tableContent=null), ArticleFig(id=1225467184781112253, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156983788170466144, language=EN, label=Fig. 5, caption=
Landslide susceptibility assessment factor map, figureFileSmall=cGlfGvSX2ZNqtaZuYzE6SA==, figureFileBig=cHNzvoilgrDamVWEJJf84w==, tableContent=null), ArticleFig(id=1225467184927912909, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156983788170466144, language=CN, label=图5, caption=
评价因子图, figureFileSmall=cGlfGvSX2ZNqtaZuYzE6SA==, figureFileBig=cHNzvoilgrDamVWEJJf84w==, tableContent=null), ArticleFig(id=1225467185192154084, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156983788170466144, language=EN, label=Fig.6, caption=
Correlation coefficients and information gain ratios of each assessment factor, figureFileSmall=3876Zn6xJWgLy7qzG8vrNw==, figureFileBig=YS8w9G7dWZS+wJKVvuD1PQ==, tableContent=null), ArticleFig(id=1225467185326371826, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156983788170466144, language=CN, label=图6, caption=
各评价因子相关系数和信息增益比值, figureFileSmall=3876Zn6xJWgLy7qzG8vrNw==, figureFileBig=YS8w9G7dWZS+wJKVvuD1PQ==, tableContent=null), ArticleFig(id=1225467185443812349, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156983788170466144, language=EN, label=Fig.7, caption=
Optimal parameter combinations for SVM and RF models, figureFileSmall=9IguYYDKH4l8CwV8qMP8YA==, figureFileBig=QvdpsgLFGAHcC9xPTxmukQ==, tableContent=null), ArticleFig(id=1225467185527697414, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156983788170466144, language=CN, label=图7, caption=
SVM和RF模型最优参数组合, figureFileSmall=9IguYYDKH4l8CwV8qMP8YA==, figureFileBig=QvdpsgLFGAHcC9xPTxmukQ==, tableContent=null), ArticleFig(id=1225467186983120913, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156983788170466144, language=EN, label=Fig.8, caption=
Landslide susceptibility zoning map based on SVM and RF models, figureFileSmall=WcYs6ByfMv9oxmH/g4cyPQ==, figureFileBig=RwZQEluS0FsT1IM5pM3h/Q==, tableContent=null), ArticleFig(id=1225467187213807647, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156983788170466144, language=CN, label=图8, caption=
基于SVM模型和RF模型的滑坡易发性分区图, figureFileSmall=WcYs6ByfMv9oxmH/g4cyPQ==, figureFileBig=RwZQEluS0FsT1IM5pM3h/Q==, tableContent=null), ArticleFig(id=1225467187356413996, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156983788170466144, language=EN, label=Fig.9, caption=
Optimal parameter combinations for FR-SVM and FR-RF models, figureFileSmall=RMYhofs9rxD8tRm3qr/RNg==, figureFileBig=NyKepUVcuNIUdK7ioTaNNg==, tableContent=null), ArticleFig(id=1225467187452882998, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156983788170466144, language=CN, label=图9, caption=
FR-SVM模型和FR-RF模型最优参数组合, figureFileSmall=RMYhofs9rxD8tRm3qr/RNg==, figureFileBig=NyKepUVcuNIUdK7ioTaNNg==, tableContent=null), ArticleFig(id=1225467187570323521, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156983788170466144, language=EN, label=Fig.10, caption=
Landslide susceptibility zoning map based on FR-SVM and FR-RF models, figureFileSmall=vB+B1fjTU7w4OJMZJz2pQg==, figureFileBig=Ykd61YgeYq180G7CNxhCiA==, tableContent=null), ArticleFig(id=1225467187738095692, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156983788170466144, language=CN, label=图10, caption=
基于FR-SVM模型和FR-RF模型的滑坡易发性分区图, figureFileSmall=vB+B1fjTU7w4OJMZJz2pQg==, figureFileBig=Ykd61YgeYq180G7CNxhCiA==, tableContent=null), ArticleFig(id=1225467187889090647, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156983788170466144, language=EN, label=Fig.11, caption=
ROC curves for each model, figureFileSmall=YHbe8CId6NtKfSM2SLAX2A==, figureFileBig=vCTs6L9TJ5N0QqixkJTZxw==, tableContent=null), ArticleFig(id=1225467188023308383, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156983788170466144, language=CN, label=图11, caption=
各模型ROC曲线, figureFileSmall=YHbe8CId6NtKfSM2SLAX2A==, figureFileBig=vCTs6L9TJ5N0QqixkJTZxw==, tableContent=null), ArticleFig(id=1225467188144943209, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156983788170466144, language=EN, label=Table 1, caption=
Frequency ratio values for different assessment factors
, figureFileSmall=null, figureFileBig=null, tableContent=
| 评价因子 | 分级 | 滑坡占比 | 栅格占比 | 频率比值 | 评价因子 | 分级 | 滑坡占比 | 栅格占比 | 频率比值 |
| 高程/m | <500 | 0.110 0 | 0.108 7 | 1.011 9 | 年均 降雨量/ mm | <1 050 | 0.065 0 | 0.096 0 | 0.677 0 |
| 500~600 | 0.200 0 | 0.188 4 | 1.061 8 | 1 050~1 080 | 0.145 0 | 0.242 3 | 0.598 4 |
| 600~700 | 0.275 0 | 0.233 7 | 1.177 0 | 1 080~1 110 | 0.465 0 | 0.313 4 | 1.483 7 |
| 700~800 | 0.210 0 | 0.189 0 | 1.111 0 | 1 110~1 140 | 0.290 0 | 0.251 6 | 1.152 8 |
| >800 | 0.205 0 | 0.280 3 | 0.731 4 | >1 140 | 0.035 0 | 0.096 7 | 0.362 0 |
| 坡度/(°) | <10 | 0.055 0 | 0.248 9 | 0.220 9 | NDVI | <0.15 | 0.135 0 | 0.117 8 | 1.146 5 |
| 10~20 | 0.480 0 | 0.412 0 | 1.165 1 | 0.15~0.2 | 0.160 0 | 0.135 4 | 1.181 6 |
| 20~30 | 0.255 0 | 0.236 0 | 1.080 7 | 0.2~0.25 | 0.235 0 | 0.218 0 | 1.077 9 |
| 30~40 | 0.110 0 | 0.079 8 | 1.377 6 | 0.25~0.3 | 0.225 0 | 0.253 0 | 0.889 2 |
| >40 | 0.100 0 | 0.023 3 | 4.292 3 | >0.3 | 0.245 0 | 0.275 8 | 0.888 3 |
| 坡向 | 平面 | 0.000 0 | 0.003 6 | 0.000 0 | 土地利用 类型 | 耕地 | 0.770 0 | 0.578 9 | 1.330 2 |
| 北 | 0.120 0 | 0.117 8 | 1.018 3 | 林地 | 0.190 0 | 0.353 2 | 0.537 9 |
| 东北 | 0.120 0 | 0.115 3 | 1.040 7 | 草地 | 0.035 0 | 0.038 8 | 0.902 7 |
| 东北 | 0.110 0 | 0.122 2 | 0.900 4 | 湿地 | 0.000 0 | 0.000 1 | 0.000 0 |
| 东南 | 0.175 0 | 0.131 0 | 1.335 7 | 水体 | 0.005 0 | 0.021 5 | 0.233 0 |
| 南 | 0.125 0 | 0.127 5 | 0.980 7 | 人造水体 | 0.000 0 | 0.007 6 | 0.000 0 |
| 西南 | 0.115 0 | 0.120 3 | 0.955 8 | 地层 | 湄潭组至五峰组 | 0.095 0 | 0.048 0 | 1.979 5 |
| 西 | 0.110 0 | 0.126 8 | 0.867 7 | 毛田组至红花园组 | 0.020 0 | 0.066 8 | 0.299 4 |
| 西北 | 0.125 0 | 0.135 5 | 0.922 7 | 梁山组至茅口组 | 0.110 0 | 0.126 4 | 0.870 6 |
| 地形曲率 | <0 | 0.465 0 | 0.482 0 | 0.964 8 | 马脚冲组至秀山组 | 0.165 0 | 0.088 9 | 1.857 0 |
| 0 | 0.055 0 | 0.039 3 | 1.399 9 | 马脚冲组至回星哨组 | 0.135 0 | 0.055 0 | 2.452 5 |
| >0 | 0.480 0 | 0.478 7 | 1.002 6 | 合山组 | 0.005 0 | 0.091 3 | 0.054 8 |
| 剖面曲率 | 0~5 | 0.380 0 | 0.310 4 | 1.224 3 | 夜郎组 | 0.000 0 | 0.115 9 | 0.000 0 |
| 5~10 | 0.320 0 | 0.378 9 | 0.844 6 | 娄山关组 | 0.005 0 | 0.073 4 | 0.068 1 |
| 10~15 | 0.140 0 | 0.191 8 | 0.729 8 | 石冷水组 | 0.000 0 | 0.000 0 | 0.000 0 |
| 15~20 | 0.080 0 | 0.078 3 | 1.022 1 | 新滩组至石牛栏组 | 0.070 0 | 0.080 5 | 0.869 8 |
| >20 | 0.080 0 | 0.040 6 | 1.968 2 | 湄潭组 | 0.000 0 | 0.000 4 | 0.000 0 |
| 平面曲率 | <10 | 0.140 0 | 0.076 8 | 1.823 2 | 清虚洞组 | 0.000 0 | 0.001 8 | 0.000 0 |
| 10~20 | 0.285 0 | 0.168 4 | 1.692 5 | 嘉陵江组 | 0.000 0 | 0.051 7 | 0.000 0 |
| 20~30 | 0.210 0 | 0.174 0 | 1.206 6 | 桐梓组至红花园组 | 0.020 0 | 0.010 3 | 1.949 6 |
| 30~40 | 0.165 0 | 0.143 3 | 1.151 1 | 高台组至石冷水组 | 0.000 0 | 0.004 7 | 0.000 0 |
| >40 | 0.200 0 | 0.437 4 | 0.457 2 | 湄潭组至宝塔组 | 0.110 0 | 0.076 0 | 1.446 5 |
地形湿度 指数 | <4 | 0.080 0 | 0.028 6 | 2.793 6 | 梁山组至栖霞组 | 0.020 0 | 0.000 7 | 28.267 0 |
| 4~6 | 0.585 0 | 0.567 1 | 1.031 6 | 巴东组 | 0.050 0 | 0.023 0 | 2.172 6 |
| 6~8 | 0.245 0 | 0.262 8 | 0.932 3 | 新滩组至秀山组 | 0.195 0 | 0.084 4 | 2.310 0 |
| >8 | 0.090 0 | 0.141 5 | 0.636 1 | 十字铺组至宝塔组 | 0.000 0 | 0.000 2 | 0.000 0 |
距水系 距离/m | <300 | 0.170 0 | 0.258 6 | 0.657 3 | 杷榔组 | 0.000 0 | 0.000 6 | 0.000 0 |
| 300~600 | 0.260 0 | 0.208 4 | 1.247 5 | 距断层 距离/m | <300 | 0.260 0 | 0.160 9 | 1.616 1 |
| 600~900 | 0.195 0 | 0.168 7 | 1.156 2 | 300~600 | 0.115 0 | 0.138 4 | 0.831 0 |
| 900~1 200 | 0.200 0 | 0.126 4 | 1.581 8 | 600~900 | 0.130 0 | 0.114 3 | 1.137 2 |
| 1 200~1 500 | 0.040 0 | 0.087 5 | 0.457 3 | 900~1 200 | 0.125 0 | 0.092 3 | 1.354 0 |
| >1 500 | 0.135 0 | 0.150 4 | 0.897 6 | 1 200~1 500 | 0.080 0 | 0.077 0 | 1.039 3 |
距道路 距离/m | <300 | 0.525 0 | 0.429 2 | 1.223 1 | >1 500 | 0.290 0 | 0.417 1 | 0.695 2 |
| 300~600 | 0.205 0 | 0.264 2 | 0.775 9 | | |
| 600~900 | 0.125 0 | 0.160 1 | 0.780 7 |
| 900~1 200 | 0.100 0 | 0.082 3 | 1.215 6 |
| 1 200~1 500 | 0.030 0 | 0.036 1 | 0.830 9 |
| >1 500 | 0.015 0 | 0.028 1 | 0.534 7 |
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不同评价因子的频率比值
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| 评价因子 | 分级 | 滑坡占比 | 栅格占比 | 频率比值 | 评价因子 | 分级 | 滑坡占比 | 栅格占比 | 频率比值 |
| 高程/m | <500 | 0.110 0 | 0.108 7 | 1.011 9 | 年均 降雨量/ mm | <1 050 | 0.065 0 | 0.096 0 | 0.677 0 |
| 500~600 | 0.200 0 | 0.188 4 | 1.061 8 | 1 050~1 080 | 0.145 0 | 0.242 3 | 0.598 4 |
| 600~700 | 0.275 0 | 0.233 7 | 1.177 0 | 1 080~1 110 | 0.465 0 | 0.313 4 | 1.483 7 |
| 700~800 | 0.210 0 | 0.189 0 | 1.111 0 | 1 110~1 140 | 0.290 0 | 0.251 6 | 1.152 8 |
| >800 | 0.205 0 | 0.280 3 | 0.731 4 | >1 140 | 0.035 0 | 0.096 7 | 0.362 0 |
| 坡度/(°) | <10 | 0.055 0 | 0.248 9 | 0.220 9 | NDVI | <0.15 | 0.135 0 | 0.117 8 | 1.146 5 |
| 10~20 | 0.480 0 | 0.412 0 | 1.165 1 | 0.15~0.2 | 0.160 0 | 0.135 4 | 1.181 6 |
| 20~30 | 0.255 0 | 0.236 0 | 1.080 7 | 0.2~0.25 | 0.235 0 | 0.218 0 | 1.077 9 |
| 30~40 | 0.110 0 | 0.079 8 | 1.377 6 | 0.25~0.3 | 0.225 0 | 0.253 0 | 0.889 2 |
| >40 | 0.100 0 | 0.023 3 | 4.292 3 | >0.3 | 0.245 0 | 0.275 8 | 0.888 3 |
| 坡向 | 平面 | 0.000 0 | 0.003 6 | 0.000 0 | 土地利用 类型 | 耕地 | 0.770 0 | 0.578 9 | 1.330 2 |
| 北 | 0.120 0 | 0.117 8 | 1.018 3 | 林地 | 0.190 0 | 0.353 2 | 0.537 9 |
| 东北 | 0.120 0 | 0.115 3 | 1.040 7 | 草地 | 0.035 0 | 0.038 8 | 0.902 7 |
| 东北 | 0.110 0 | 0.122 2 | 0.900 4 | 湿地 | 0.000 0 | 0.000 1 | 0.000 0 |
| 东南 | 0.175 0 | 0.131 0 | 1.335 7 | 水体 | 0.005 0 | 0.021 5 | 0.233 0 |
| 南 | 0.125 0 | 0.127 5 | 0.980 7 | 人造水体 | 0.000 0 | 0.007 6 | 0.000 0 |
| 西南 | 0.115 0 | 0.120 3 | 0.955 8 | 地层 | 湄潭组至五峰组 | 0.095 0 | 0.048 0 | 1.979 5 |
| 西 | 0.110 0 | 0.126 8 | 0.867 7 | 毛田组至红花园组 | 0.020 0 | 0.066 8 | 0.299 4 |
| 西北 | 0.125 0 | 0.135 5 | 0.922 7 | 梁山组至茅口组 | 0.110 0 | 0.126 4 | 0.870 6 |
| 地形曲率 | <0 | 0.465 0 | 0.482 0 | 0.964 8 | 马脚冲组至秀山组 | 0.165 0 | 0.088 9 | 1.857 0 |
| 0 | 0.055 0 | 0.039 3 | 1.399 9 | 马脚冲组至回星哨组 | 0.135 0 | 0.055 0 | 2.452 5 |
| >0 | 0.480 0 | 0.478 7 | 1.002 6 | 合山组 | 0.005 0 | 0.091 3 | 0.054 8 |
| 剖面曲率 | 0~5 | 0.380 0 | 0.310 4 | 1.224 3 | 夜郎组 | 0.000 0 | 0.115 9 | 0.000 0 |
| 5~10 | 0.320 0 | 0.378 9 | 0.844 6 | 娄山关组 | 0.005 0 | 0.073 4 | 0.068 1 |
| 10~15 | 0.140 0 | 0.191 8 | 0.729 8 | 石冷水组 | 0.000 0 | 0.000 0 | 0.000 0 |
| 15~20 | 0.080 0 | 0.078 3 | 1.022 1 | 新滩组至石牛栏组 | 0.070 0 | 0.080 5 | 0.869 8 |
| >20 | 0.080 0 | 0.040 6 | 1.968 2 | 湄潭组 | 0.000 0 | 0.000 4 | 0.000 0 |
| 平面曲率 | <10 | 0.140 0 | 0.076 8 | 1.823 2 | 清虚洞组 | 0.000 0 | 0.001 8 | 0.000 0 |
| 10~20 | 0.285 0 | 0.168 4 | 1.692 5 | 嘉陵江组 | 0.000 0 | 0.051 7 | 0.000 0 |
| 20~30 | 0.210 0 | 0.174 0 | 1.206 6 | 桐梓组至红花园组 | 0.020 0 | 0.010 3 | 1.949 6 |
| 30~40 | 0.165 0 | 0.143 3 | 1.151 1 | 高台组至石冷水组 | 0.000 0 | 0.004 7 | 0.000 0 |
| >40 | 0.200 0 | 0.437 4 | 0.457 2 | 湄潭组至宝塔组 | 0.110 0 | 0.076 0 | 1.446 5 |
地形湿度 指数 | <4 | 0.080 0 | 0.028 6 | 2.793 6 | 梁山组至栖霞组 | 0.020 0 | 0.000 7 | 28.267 0 |
| 4~6 | 0.585 0 | 0.567 1 | 1.031 6 | 巴东组 | 0.050 0 | 0.023 0 | 2.172 6 |
| 6~8 | 0.245 0 | 0.262 8 | 0.932 3 | 新滩组至秀山组 | 0.195 0 | 0.084 4 | 2.310 0 |
| >8 | 0.090 0 | 0.141 5 | 0.636 1 | 十字铺组至宝塔组 | 0.000 0 | 0.000 2 | 0.000 0 |
距水系 距离/m | <300 | 0.170 0 | 0.258 6 | 0.657 3 | 杷榔组 | 0.000 0 | 0.000 6 | 0.000 0 |
| 300~600 | 0.260 0 | 0.208 4 | 1.247 5 | 距断层 距离/m | <300 | 0.260 0 | 0.160 9 | 1.616 1 |
| 600~900 | 0.195 0 | 0.168 7 | 1.156 2 | 300~600 | 0.115 0 | 0.138 4 | 0.831 0 |
| 900~1 200 | 0.200 0 | 0.126 4 | 1.581 8 | 600~900 | 0.130 0 | 0.114 3 | 1.137 2 |
| 1 200~1 500 | 0.040 0 | 0.087 5 | 0.457 3 | 900~1 200 | 0.125 0 | 0.092 3 | 1.354 0 |
| >1 500 | 0.135 0 | 0.150 4 | 0.897 6 | 1 200~1 500 | 0.080 0 | 0.077 0 | 1.039 3 |
距道路 距离/m | <300 | 0.525 0 | 0.429 2 | 1.223 1 | >1 500 | 0.290 0 | 0.417 1 | 0.695 2 |
| 300~600 | 0.205 0 | 0.264 2 | 0.775 9 | | |
| 600~900 | 0.125 0 | 0.160 1 | 0.780 7 |
| 900~1 200 | 0.100 0 | 0.082 3 | 1.215 6 |
| 1 200~1 500 | 0.030 0 | 0.036 1 | 0.830 9 |
| >1 500 | 0.015 0 | 0.028 1 | 0.534 7 |
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Statistics table of landslide susceptibility zoning for each model
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| 评价模型 | 易发性等级 | 滑坡数/次 | 分级栅格数量/个 | 占总滑坡数比例/% | 占总栅格数比例/% | 滑坡比例 |
| SVM | 极低易发区 | 4 | 853 916 | 2.00 | 34.76 | 0.057 5 |
| 低易发区 | 15 | 564 384 | 7.50 | 22.98 | 0.326 4 |
| 中易发区 | 31 | 409 862 | 15.50 | 16.69 | 0.928 9 |
| 高易发区 | 48 | 347 300 | 24.00 | 14.14 | 1.697 5 |
| 极高易发区 | 102 | 280 898 | 51.00 | 11.44 | 4.459 8 |
| RF | 极低易发区 | 0 | 268 356 | 0.00 | 10.92 | 0 |
| 低易发区 | 4 | 740 121 | 2.00 | 30.13 | 0.066 4 |
| 中易发区 | 22 | 811 411 | 11.00 | 33.03 | 0.333 0 |
| 高易发区 | 75 | 519 972 | 37.50 | 21.17 | 1.771 5 |
| 极高易发区 | 99 | 116 500 | 49.50 | 4.74 | 10.436 9 |
| FR-SVM | 极低易发区 | 4 | 916 438 | 2.00 | 37.31 | 0.053 6 |
| 低易发区 | 8 | 586 568 | 4.00 | 23.88 | 0.167 5 |
| 中易发区 | 18 | 402 272 | 9.00 | 16.38 | 0.549 6 |
| 高易发区 | 52 | 360 729 | 26.00 | 14.69 | 1.770 5 |
| 极高易发区 | 118 | 190 353 | 59.00 | 7.75 | 7.613 5 |
| FR-RF | 极低易发区 | 0 | 743 945 | 0.00 | 30.29 | 0 |
| 低易发区 | 3 | 603 897 | 1.50 | 24.59 | 0.061 0 |
| 中易发区 | 15 | 545 709 | 7.50 | 22.22 | 0.337 6 |
| 高易发区 | 65 | 408 476 | 32.50 | 16.63 | 1.954 4 |
| 极高易发区 | 117 | 154 333 | 58.50 | 6.28 | 9.310 8 |
), ArticleFig(id=1225467188627288197, tenantId=1146029695717560320, journalId=1146123166801305609, articleId=1156983788170466144, language=CN, label=表2, caption=
各模型易发性分区统计表
, figureFileSmall=null, figureFileBig=null, tableContent=
| 评价模型 | 易发性等级 | 滑坡数/次 | 分级栅格数量/个 | 占总滑坡数比例/% | 占总栅格数比例/% | 滑坡比例 |
| SVM | 极低易发区 | 4 | 853 916 | 2.00 | 34.76 | 0.057 5 |
| 低易发区 | 15 | 564 384 | 7.50 | 22.98 | 0.326 4 |
| 中易发区 | 31 | 409 862 | 15.50 | 16.69 | 0.928 9 |
| 高易发区 | 48 | 347 300 | 24.00 | 14.14 | 1.697 5 |
| 极高易发区 | 102 | 280 898 | 51.00 | 11.44 | 4.459 8 |
| RF | 极低易发区 | 0 | 268 356 | 0.00 | 10.92 | 0 |
| 低易发区 | 4 | 740 121 | 2.00 | 30.13 | 0.066 4 |
| 中易发区 | 22 | 811 411 | 11.00 | 33.03 | 0.333 0 |
| 高易发区 | 75 | 519 972 | 37.50 | 21.17 | 1.771 5 |
| 极高易发区 | 99 | 116 500 | 49.50 | 4.74 | 10.436 9 |
| FR-SVM | 极低易发区 | 4 | 916 438 | 2.00 | 37.31 | 0.053 6 |
| 低易发区 | 8 | 586 568 | 4.00 | 23.88 | 0.167 5 |
| 中易发区 | 18 | 402 272 | 9.00 | 16.38 | 0.549 6 |
| 高易发区 | 52 | 360 729 | 26.00 | 14.69 | 1.770 5 |
| 极高易发区 | 118 | 190 353 | 59.00 | 7.75 | 7.613 5 |
| FR-RF | 极低易发区 | 0 | 743 945 | 0.00 | 30.29 | 0 |
| 低易发区 | 3 | 603 897 | 1.50 | 24.59 | 0.061 0 |
| 中易发区 | 15 | 545 709 | 7.50 | 22.22 | 0.337 6 |
| 高易发区 | 65 | 408 476 | 32.50 | 16.63 | 1.954 4 |
| 极高易发区 | 117 | 154 333 | 58.50 | 6.28 | 9.310 8 |
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