Landslide Susceptibility Prediction Modeling Based on Self-Screening Deep Learning Model

• URL: http://arxiv.org/abs/2304.06054v1
• Date: Wed, 12 Apr 2023 10:31:03 GMT
• Title: Landslide Susceptibility Prediction Modeling Based on Self-Screening Deep Learning Model
• Authors: Li Zhu, Lekai Liu, Changshi Yu
• Abstract summary: A self-screening graph convolutional network and long short-term memory network (SGCN-LSTM) is proposed in this paper. The landslide samples with large errors outside the set threshold interval are eliminated by self-screening network. The nonlinear relationship between environmental factors can be extracted from both spatial nodes and time series.
• Score: 9.7723814375467
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Landslide susceptibility prediction has always been an important and challenging content. However, there are some uncertain problems to be solved in susceptibility modeling, such as the error of landslide samples and the complex nonlinear relationship between environmental factors. A self-screening graph convolutional network and long short-term memory network (SGCN-LSTM) is proposed int this paper to overcome the above problems in landslide susceptibility prediction. The SGCN-LSTM model has the advantages of wide width and good learning ability. The landslide samples with large errors outside the set threshold interval are eliminated by self-screening network, and the nonlinear relationship between environmental factors can be extracted from both spatial nodes and time series, so as to better simulate the nonlinear relationship between environmental factors. The SGCN-LSTM model was applied to landslide susceptibility prediction in Anyuan County, Jiangxi Province, China, and compared with Cascade-parallel Long Short-Term Memory and Conditional Random Fields (CPLSTM-CRF), Random Forest (RF), Support Vector Machine (SVM), Stochastic Gradient Descent (SGD) and Logistic Regression (LR) models.The landslide prediction experiment in Anyuan County showed that the total accuracy and AUC of SGCN-LSTM model were the highest among the six models, and the total accuracy reached 92.38 %, which was 5.88%, 12.44%, 19.65%, 19.92% and 20.34% higher than those of CPLSTM-CRF, RF, SVM, SGD and LR models, respectively. The AUC value reached 0.9782, which was 0.0305,0.0532,0.1875,0.1909 and 0.1829 higher than the other five models, respectively. In conclusion, compared with some existing traditional machine learning, the SGCN-LSTM model proposed in this paper has higher landslide prediction accuracy and better robustness, and has a good application prospect in the LSP field.

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