Articles | Volume 22, issue 11
https://doi.org/10.5194/nhess-22-3679-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/nhess-22-3679-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
15 Nov 2022
Research article |
| 15 Nov 2022
| 15 Nov 2022
Timing landslide and flash flood events from SAR satellite: a regionally applicable methodology illustrated in African cloud-covered tropical environments
Axel A. J. Deijns
CORRESPONDING AUTHOR
Department of Earth Sciences, Royal Museum for Central Africa, 3080
Tervuren, Belgium
Department of Hydrology and Hydraulic Engineering, Earth System
Sciences, Vrije Universiteit Brussel, 1050 Elsene, Belgium
Olivier Dewitte
Department of Earth Sciences, Royal Museum for Central Africa, 3080
Tervuren, Belgium
Wim Thiery
Department of Hydrology and Hydraulic Engineering, Earth System
Sciences, Vrije Universiteit Brussel, 1050 Elsene, Belgium
Nicolas d'Oreye
Department of Geophysics/Astrophysics, National Museum of Natural
History, 7256 Walferdange, Luxembourg
European Center for Geodynamics and Seismology, 7256 Walferdange,
Luxembourg
Jean-Philippe Malet
Institut Terre et Environnement de Strasbourg/ITES – UMR 7063 CNRS, École et Observatoire des Sciences de la Terre, Université de Strasbourg, 5 rue Descartes, 676084 Strasbourg, France
François Kervyn
Department of Earth Sciences, Royal Museum for Central Africa, 3080
Tervuren, Belgium
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Cited
16 citations as recorded by crossref.
- Combined Effect of the Microstructure and Mechanical Behavior of Lateritic Soils in the Instability of a Road Cut Slope in Rwanda R. Valentino et al. 10.3390/geohazards5020029
- A semi-supervised multi-temporal landslide and flash flood event detection methodology for unexplored regions using massive satellite image time series A. Deijns et al. 10.1016/j.isprsjprs.2024.07.010
- Flash flood susceptibility mapping of north-east depression of Bangladesh using different GIS based bivariate statistical models M. Chowdhury 10.1016/j.wsee.2023.12.002
- Evaluating Flood Extent Using Synthetic Aperture Radar (SAR) and Modified Normalized Difference Water Index (MNDWI) Methods G. Tassew et al. 10.1007/s41976-025-00211-w
- Event-based rainfall-induced landslide inventories and rainfall thresholds for Malawi P. Niyokwiringirwa et al. 10.1007/s10346-023-02203-7
- Analyzing the Accuracy of Satellite-Derived DEMs Using High-Resolution Terrestrial LiDAR A. Mohamed et al. 10.3390/land13122171
- A landslide dating framework using a combination of Sentinel-1 SAR and -2 optical imagery S. Fu et al. 10.1016/j.enggeo.2023.107388
- Effects of agricultural terraces on landslide occurrence: Insights from a tropical mountainous region (Rwanda, Africa) P. Sibomana et al. 10.1016/j.catena.2025.108898
- HR-GLDD: a globally distributed dataset using generalized deep learning (DL) for rapid landslide mapping on high-resolution (HR) satellite imagery S. Meena et al. 10.5194/essd-15-3283-2023
- Retrieval of Monsoon Landslide Timings With Sentinel‐1 Reveals the Effects of Earthquakes and Extreme Rainfall K. Burrows et al. 10.1029/2023GL104720
- Landslides, bedrock incision and human-induced environmental changes in an extremely rapidly formed tropical river gorge T. Mugaruka Bibentyo et al. 10.1016/j.geomorph.2023.109046
- A framework for automated landslide dating utilizing SAR-Derived Parameters Time-Series, An Enhanced Transformer Model, and Dynamic Thresholding W. Wang et al. 10.1016/j.jag.2024.103795
- When it comes to Earth observations in AI for disaster risk reduction, is it feast or famine? A topical review M. Kuglitsch et al. 10.1088/1748-9326/acf601
- Flood Detection with SAR: A Review of Techniques and Datasets D. Amitrano et al. 10.3390/rs16040656
- An ensemble neural network approach for space–time landslide predictive modelling J. Lim et al. 10.1016/j.jag.2024.104037
- Assessing community vulnerability to landslide and flood in northwestern Rwanda C. Idukunda et al. 10.1016/j.ijdrr.2025.105329
16 citations as recorded by crossref.
- Combined Effect of the Microstructure and Mechanical Behavior of Lateritic Soils in the Instability of a Road Cut Slope in Rwanda R. Valentino et al. 10.3390/geohazards5020029
- A semi-supervised multi-temporal landslide and flash flood event detection methodology for unexplored regions using massive satellite image time series A. Deijns et al. 10.1016/j.isprsjprs.2024.07.010
- Flash flood susceptibility mapping of north-east depression of Bangladesh using different GIS based bivariate statistical models M. Chowdhury 10.1016/j.wsee.2023.12.002
- Evaluating Flood Extent Using Synthetic Aperture Radar (SAR) and Modified Normalized Difference Water Index (MNDWI) Methods G. Tassew et al. 10.1007/s41976-025-00211-w
- Event-based rainfall-induced landslide inventories and rainfall thresholds for Malawi P. Niyokwiringirwa et al. 10.1007/s10346-023-02203-7
- Analyzing the Accuracy of Satellite-Derived DEMs Using High-Resolution Terrestrial LiDAR A. Mohamed et al. 10.3390/land13122171
- A landslide dating framework using a combination of Sentinel-1 SAR and -2 optical imagery S. Fu et al. 10.1016/j.enggeo.2023.107388
- Effects of agricultural terraces on landslide occurrence: Insights from a tropical mountainous region (Rwanda, Africa) P. Sibomana et al. 10.1016/j.catena.2025.108898
- HR-GLDD: a globally distributed dataset using generalized deep learning (DL) for rapid landslide mapping on high-resolution (HR) satellite imagery S. Meena et al. 10.5194/essd-15-3283-2023
- Retrieval of Monsoon Landslide Timings With Sentinel‐1 Reveals the Effects of Earthquakes and Extreme Rainfall K. Burrows et al. 10.1029/2023GL104720
- Landslides, bedrock incision and human-induced environmental changes in an extremely rapidly formed tropical river gorge T. Mugaruka Bibentyo et al. 10.1016/j.geomorph.2023.109046
- A framework for automated landslide dating utilizing SAR-Derived Parameters Time-Series, An Enhanced Transformer Model, and Dynamic Thresholding W. Wang et al. 10.1016/j.jag.2024.103795
- When it comes to Earth observations in AI for disaster risk reduction, is it feast or famine? A topical review M. Kuglitsch et al. 10.1088/1748-9326/acf601
- Flood Detection with SAR: A Review of Techniques and Datasets D. Amitrano et al. 10.3390/rs16040656
- An ensemble neural network approach for space–time landslide predictive modelling J. Lim et al. 10.1016/j.jag.2024.104037
- Assessing community vulnerability to landslide and flood in northwestern Rwanda C. Idukunda et al. 10.1016/j.ijdrr.2025.105329
Latest update: 18 Jul 2025
Short summary
Landslides and flash floods are rainfall-induced processes that often co-occur and interact, generally very quickly. In mountainous cloud-covered environments, determining when these processes occur remains challenging. We propose a regional methodology using open-access satellite radar images that allow for the timing of landslide and flash floods events, in the contrasting landscapes of tropical Africa, with an accuracy of up to a few days. The methodology shows potential for transferability.
Landslides and flash floods are rainfall-induced processes that often co-occur and interact,...
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