remote sensing Communication A Survey of Remote Sensing and Geographic Information System Applications for Flash Floods Lisha Ding 1,2, Lei Ma 3,4, Longguo Li 1,2, Chao Liu 1,2, Naiwen Li 1,2, Zhengli Yang 1,2, Yuanzhi Yao 5 and Heng Lu 1,2,* 1 State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu 610065, China;
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[email protected] (Z.Y.) 2 College of Hydraulic and Hydroelectric Engineering, Sichuan University, Chengdu 610065, China 3 School of Geography and Ocean Science, Nanjing University, Nanjing 210093, China;
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[email protected] Abstract: Flash floods are among the most dangerous natural disasters. As climate change and urbanization advance, an increasing number of people are at risk of flash floods. The application of remote sensing and geographic information system (GIS) technologies in the study of flash floods has increased significantly over the last 20 years. In this paper, more than 200 articles published in the last 20 years are summarized and analyzed. First, a visualization analysis of the literature is performed, including a keyword co-occurrence analysis, time zone chart analysis, keyword burst analysis, and literature co-citation analysis. Then, the application of remote sensing and GIS technologies to flash flood disasters is analyzed in terms of aspects such as flash flood forecasting, flash flood disaster impact assessments, flash flood susceptibility analyses, flash flood risk assessments, and the Citation: Ding, L.; Ma, L.; Li, L.; Liu, identification of flash flood disaster risk areas.