三峡大学学报（自然科学版）2025，Vol.47Issue(3)：43-49,7.DOI:10.13393/j.cnki.issn.1672-948X.2025.03.007
降雨因子对滑坡形成的时空影响分析
Analysis of Spatial and Temporal Influence of Rainfall Factor on Landslide Formation
摘要
Abstract
Rainfall factor is an important influencing factor on the formation of rainfall-type landslides.In order to investigate the relationship between non-homogeneous landslides and homogeneous rainfall factors,this paper analyzes the effects of indirect prior rainfall,direct prior rainfall,indirect prior rainfall on the same day,and indirect prior rainfall amount on the occurrence of landslides based on the platforms of ArcGIS,SPSS,and RStudio by using the methods of cluster analysis,principal component analysis,and factor analysis in Jiangxi Province.The results show that:the cumulative rainfall effect exists and is geographically distributed in Jiujiang,Yichun,Xinyu,and Pingxiang regions,but there are differences in the contribution degree of rainfall data in different regions;at least 10 days of rainfall data should be considered in analyzing rainfall-type landslides.The rainfall in a long time-series is the most important contributing factor to the landslides in Jiangxi Province.Exploring the occurrence pattern of landslide disasters in Jiangxi Province can provide a basis for subsequent prediction and forecasting studies and timely response decision-making after the occurrence of extreme rainfall.关键词
前期降雨量/降雨型滑坡/聚类分析/主成分分析/蒸发Key words
prior rainfall/rainfall-type landslides/cluster analysis/principal component analysis/evaporation分类
地理科学引用本文复制引用
李佳潼,吴华,徐悦,郭齐韵,李慧珊,马铭鑫..降雨因子对滑坡形成的时空影响分析[J].三峡大学学报（自然科学版）,2025,47(3):43-49,7.基金项目
国家自然科学基金项目(U23A2047) （U23A2047）
中央引导地方项目(XZ202401YD0028) （XZ202401YD0028）
西藏自治区科技计划项目(XZ202402ZD001) （XZ202402ZD001）
高原地热新能源创新团队与实验室平台建设(2022ZDTD10) （2022ZDTD10）
