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Erschienen in:
2024 | OriginalPaper | Buchkapitel
Assessment of Landslide Potential for a Large-Area Forested Slope
verfasst von : Chia-Cheng Fan, Wan-Ting Tseng, Kai-Min Yang, An-Ching Chung
Erschienen in: Natural Geo-Disasters and Resiliency
Verlag: Springer Nature Singapore
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Abstract
This research aims to incorporate the information on plant, topography, hydrology, and geology to assess the landslide potential in a forested slope with a large area. The forested slope with 100 hectares is located at the Duona forest route, Taiwan, and the site's elevation is E.L. 950 m. The study investigates the dominant plant species and planting density in the forest stand measures the spatial distribution of the root system in the soil for the dominant plant species. The study area in the forest is divided into 1,000,000 units (unit size: 1 m × 1 m). The study evaluates the plant root reinforcement in the forested slope and carries out slope stability analyses for each unit (1 m × 1 m) using TRIGRS computer program. The analysis considers plant root reinforcement, soil strength, topography, and hydrological condition. The study presents the spatial distribution of the landslide potential in various scenarios in the study area.