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GIS-Based Ensemble Soft Computing Models for Landslide Susceptibility Mapping
Advances in Space Research ( IF 1.746 ) Pub Date : 2020-05-21 , DOI: 10.1016/j.asr.2020.05.016
Binh Thai Pham; Tran Van Phong; Trung Nguyen-Thoi; Phan Trong Trinh; Quoc Cuong Tran; Lanh Si Ho; Sushant K. Singh; Tran Thi Thanh Duyen; Loan Thi Nguyen; Huy Quang Le; Hiep Van Le; Nguyen Thi Bich Hanh; Nguyen Kim Quoc; Indra Prakash

Landslide susceptibility mapping has become one of the most important tools for the management of landslide hazards. In this study, we proposed a novel approach to improve the performance of Credal Decision Tree (CDT) by using four ensemble frameworks: Bagging, Dagging, Decorate, and Rotation Forest (RF) for landslide susceptibility mapping. A total number of 180 past and present landslides data of the Muong Lay district (Viet Nam) was analyzed and used for generating training and validation of the models. Several standard statistical performance evaluation metrics, such as negative predictive value, positive predictive value, root mean square error, accuracy, sensitivity, specificity, Kappa, Area Under the receiver operating Characteristic curve (AUC) were used to evaluate performance of the models. Results indicated that all the developed and applied models performed well (AUC: 0.842-0.886) but performance of the RF-CDT (AUC: 0.886) model is the best. Therefore, the RF-CDT ensemble model can be used for the correct landslide susceptibility mapping and for proper landslide management not only of the study area but also other hilly areas of the world.
更新日期:2020-05-21

 

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