A semantic information-driven stepwise landslide displacement prediction model
- 28 September 2022
- journal article
- research article
- Published by Springer Science and Business Media LLC in Environmental Monitoring and Assessment
- Vol. 194 (11), 1-23
- https://doi.org/10.1007/s10661-022-10417-w
Abstract
Landslide prediction is critical for the early warning of a landslide occurrence. Existing stepwise landslide displacement prediction methods are mostly data-driven approaches. However, these models are vulnerable to overfitting, and the low-dimensional numerical features with high numerical volatility prevent them from precisely quantifying the rapid increase in daily displacement in the acceleration phase. Therefore, we propose a semantic information-driven stepwise landslide displacement prediction model comprising an identifier in the displacement phase and a predictor in the acceleration phase. First, the raw landslide monitoring data are converted into text-based semantic information and the semantic features are fused. Subsequently, based on the daily displacement and velocity, we propose a sliding window phase division algorithm to divide the stepwise landslide phase into stationary and acceleration phases. Finally, the landslide displacement phase is identified, and the displacement during the acceleration phase is predicted. The experimental results of the model on the Xinpu and Qingshi landslides in Chongqing, China, show that the proposed model exploits the derived semantic information to identify the landslide acceleration phase qualitatively, and predict the daily displacement of the acceleration phase quantitatively. The proposed model provides a valuable reference for the early warning of stepwise landslides.Keywords
Funding Information
- This paper was financially supported by National Key R&D Project of China (2021YFB2600603)
- the Science and Technology Research Program of Chongqing Municipal Education Commission (KJQN201900728)
- Sichuan Tibetan Expressway Science and Technology (2021-03)
- Natural Science Foundation of Chongqing City of China (cstc2021jcyj-msxmX1011)
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