Coupling logistic model tree and random subspace to predict the landslide susceptibility areas with considering the uncertainty of environmental features.

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ID: 75028
2019
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Abstract
Landslide disasters cause huge casualties and economic losses every year, how to accurately forecast the landslides has always been an important issue in geo-environment research. In this paper, a hybrid machine learning approach RSLMT is firstly proposed by coupling Random Subspace (RS) and Logistic Model Tree (LMT) for producing a landslide susceptibility map (LSM). With this method, the uncertainty introduced by input features is considered, the problem of overfitting is solved by reducing dimensions to increase the prediction rate of landslide occurrence. Moreover, the uncertainty of prediction will be deeply discussed with the rank probability score (RPS) series, which is an important evaluation of uncertainty but rarely used in LSM. Qingchuan county, China was taken as a study area. 12 landslide causal factors were selected and their contribution on landslide occurrence was evaluated by ReliefF method. In addition, Logistic Model Tree (LMT), Naive Bayes (NB) and Logistic Regression (LR) were researched for comparison. The results showed that RSLMT (AUC = 0.815) outperformed LMT (AUC = 0.805), NB (AUC = 0.771), LR (AUC = 0.785). LSM of Qingchuan county was produced using the novel model, it indicated that landslides tend to occur along with the fault belts and the middle-low mountain area that is strongly influenced by the large numbers of human engineering activities.
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luo2019couplingscientific Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Luo, Xiangang;Lin, Feikai;Chen, Yihong;Zhu, Shuang;Xu, Zhanya;Huo, Zhibin;Yu, Mengliang;Peng, Jing;
Journal Scientific reports
Year 2019
DOI
10.1038/s41598-019-51941-z
URL
Keywords
biogeography-based optimization (bbo) grey wolf optimization (gwo) landslide susceptibility mapping neural-metaheuristic algorithms

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