Abstract:
The study focuses on the Woshaxi landslide in the Three Gorges Reservoir area, utilizing the maximum information coefficient (MIC) method to quantitatively analyze the factors influencing landslide deformation. The results indicate that rainfall is the primary trigger for accelerated slope deformation, while changes in reservoir water levels primarily contribute to acceleration rather than causing hydrodynamic pressure-induced landslides, as previously suggested. To improve the accuracy of landslide warning and prediction, the MIC method and an enhanced tangent angle method were employed to analyze four instances of step deformation in the secondary landslide mass over the past eight years. Rainfall and displacement rate thresholds associated with these step deformations were identified, enabling the development of a more robust early warning model. These findings not only improve monitoring capabilities for the Woshaxi landslide but also provide valuable insights for early warning systems for similar landslides.