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A dataset-enhanced Linformer model for geo-hazards susceptibility assessment: a case study of the railway in Southwest China

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Abstract

The assessment of railway safety hazards is a long-term and difficult task, and developing efficient assessment models has made significant contributions to preventing and controlling these hazards. This paper aims to demonstrate that the Linformer model based on self-attention performs better than other typical qualitative, machine learning, and deep learning models in hazard susceptibility assessment. The models are used to evaluate the susceptibility of the southwest railway. And 13 conditional factors that affect geological hazards are selected based on the geological features, geomorphometric features, hydrological features, and environmental features of the southwest railway hazard research area. A data set of 80% of the 1474 hazard and non-hazard points in the study area is randomly selected to train the susceptibility model, and the remaining 20% is used to verify the newly established model. The LR, SVM, LSTM, and Linformer models are tested using the accuracy, precision, recall rate, F1 score calculation, and AUC assessment indicators to confirm different variability. Based on the Jenks method, the susceptibility evaluation results of the southwest railway in the study area are divided into five groups from high to low. The geo-hazard susceptibility map shows that while the central and northeastern railways are less impacted by hazards, the susceptibility is higher in the southwest of the study area.

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Data availability

Datasets used in this study are available from the corresponding author on reasonable request.

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Acknowledgements

This study was financially supported by the National Natural Science Foundation of China (Grant No. 52078493); the National Natural Science Foundation of Hunan province (Grant No. 2022JJ30700); the Natural Science Foundation for Excellent Young Scholars of Hunan (Grant No. 2021JJ20057); the Innovation Provincial Program of Hunan Province (Grant No. 2020RC3002); the Science and Technology Plan Project of Changsha (Grant No. kq2206014); the Innovation Driven Program of Central South University (Grant No. 2023CXQD033); and the Doctoral research initiation project of Xiangtan University (Grant No. 2023113201502). These financial supports are gratefully acknowledged.

Funding

This research was funded by National Natural Science Foundation of China, Grant no [52078493], Natural Science Foundation of Hunan Province, Grant no [2022JJ30700], Natural Science Foundation for Excellent Young Scholars of Hunan, Grant no [2021JJ20057], Innovation Provincial Program of Hunan Province, Grant no [2020RC3002], Science and Technology Plan Project of Changsha, Grant no [kq2206014], Innovation Driven Program of Central South University, Grant no [2023CXQD033], Doctoral research initiation project of Xiangtan University, Grant no [2023113201502].

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Contributions

Nan JIANG performed the data analyses and wrote the manuscript; Yange LI contributed to the conception of the study; Zheng HAN revised the manuscript; Jiaying LI analyzed data and revised the manuscript; Bangjie FU and Jiaming YANG helped perform the analysis. All authors reviewed the manuscript.

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Correspondence to Zheng Han or Jiaying Li.

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Jiang, N., Li, Y., Han, Z. et al. A dataset-enhanced Linformer model for geo-hazards susceptibility assessment: a case study of the railway in Southwest China. Environ Earth Sci 82, 397 (2023). https://doi.org/10.1007/s12665-023-11080-1

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  • DOI: https://doi.org/10.1007/s12665-023-11080-1

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