Rainfall-induced landslide inventories for Lower Mekong
Pukar Amatya;Dalia Kirschbaum;Thomas Stanley
LandslidesLower Mekong RegionObject-based image analysisSALaDSALaD-CDSERVIR-MekongRapidEyePlanetScope
Fatal landslides occur every year during the rainy season (June–November) in the Lower Mekong Region (LMR). There is an urgent need to develop a landslide early warning system in the LMR. In collaboration with the Asian Disasters Preparedness Center and NASA’s SERVIR Programme, we are regionalizing the global Landslide Hazard Assessment System for Situational Awareness model for the LMR (LHASA-Mekong). A robust set of landslide inventories are needed to effectively train the machine learning-based LHASA-Mekong model. In this study, the Semi-Automatic Landslide Detection (SALaD) system was modified by incorporating a change detection module (SALaD-CD) to produce rainfall event-based landslide inventories using pre- and post-imagery from RapidEye and PlanetScope for various locations in the LMR that were identified based on media and government reports. These rainfall-induced landslides are published as initiation points for ease of use. In total, we created 22 inventories: 2 in Laos, 4 in Myanmar, 1 in Thailand and 15 in Vietnam. These inventories are being used to train the LHASA-Mekong model and quantify the effects of Land use/Land cover change on landslide susceptibility. These open data will be a valuable resource for advancing landslide studies in this region.This is an inventory of rainfall-induced landslides from 22 locations in Lower Mekong Region produced using Planet imagery and semi-automated mapping. A full description on development of this inventory is detailed in: Pukar Amatya, Dalia Kirschbaum, Thomas Stanley (2021). Rainfall-induced landslide inventories for Lower Mekong based on Planet imagery and semi-automatic mapping. Geoscience Data Journal. https://doi.org/10.1002/gdj3.145.
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Pukar Amatya;Dalia Kirschbaum;Thomas Stanley.Rainfall-induced landslide inventories for Lower Mekong.DDE Repository.2022-05-08.doi:10.6084/m9.figshare.14199227