Advancing landslide early warning in the Indian Himalayas: SIGMA-based rainfall thresholds for Chamoli district

Key Points

• The enhanced rainfall thresholds significantly improve early warning systems for landslides.
• Using SIGMA, the study identified specific thresholds related to landslide risk in Chamoli district.
• Observational analysis assessed rainfall data and its relationship to landslide occurrences over multiple years.
• Findings indicate that improved early warning could reduce the risk of landslides in vulnerable areas.