A South Korean research team has developed an artificial intelligence system to predict the impact range of debris flow following landslides [1].

This technology allows authorities to better design protective structures and coordinate the evacuation of residents in high-risk areas [1]. By accurately mapping where soil and rock will travel, the system aims to reduce casualties and infrastructure damage during extreme weather events.

The system was created by the National Institute of Forest Science [1]. The researchers utilized a random-walk model to simulate the movement of debris flow, a volatile mixture of water, soil, and rock that often follows a primary landslide [1].

To train the AI, the team integrated various spatial data sets [1]. This includes detailed information on soil composition, terrain topography, and forest density [1]. The AI analyzes these variables to determine the most likely path and extent of the debris spread, providing a more precise risk map than previous traditional methods [1].

Protective works, such as barriers and diversion channels, can now be placed based on these AI-driven predictions [1]. This precision helps the government allocate resources to the most vulnerable zones and provides a scientific basis for issuing evacuation orders to specific neighborhoods [1].

The National Institute of Forest Science focused on these developments to address the recurring threat of landslides in the region's mountainous terrain [1]. The integration of AI into forest science represents a shift toward proactive disaster management through data-driven modeling [1].

The system was created by the National Institute of Forest Science

The transition from static landslide risk maps to dynamic AI-based debris flow prediction allows for more granular disaster response. By incorporating spatial forest data and soil metrics, South Korea is moving toward a precision-based approach to public safety that can reduce the 'over-evacuation' of safe areas while ensuring high-risk zones are cleared before a disaster occurs.