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GIS Based Novel Hybrid Computational Intelligence Models for Mapping Landslide Susceptibility: A Case Study at Da Lat City, Vietnam
Institute of Geological Sciences, Vietnam Academy of Science and Technology, Dong da, Hanoi, Vietnam. Graduate University of Science and Technology, Vietnam Academy of Science and Technology, Cau Giay, Hanoi, Vietnam.
Institute of Geological Sciences, Vietnam Academy of Science and Technology, Dong da, Hanoi, Vietnam.
Institute of Geological Sciences, Vietnam Academy of Science and Technology, Dong da, Hanoi, Vietnam.
Faculty of Geography, VNU University of Science, Vietnam National University, Hanoi, Thanh Xuan, Hanoi, Vietnam.
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2019 (English)In: Sustainability, ISSN 2071-1050, E-ISSN 2071-1050, Vol. 11, no 24, article id 7118Article in journal (Refereed) Published
Abstract [en]

Landslides affect properties and the lives of a large number of people in many hilly parts of Vietnam and in the world. Damages caused by landslides can be reduced by understanding distribution, nature, mechanisms and causes of landslides with the help of model studies for better planning and risk management of the area. Development of landslide susceptibility maps is one of the main steps in landslide management. In this study, the main objective is to develop GIS based hybrid computational intelligence models to generate landslide susceptibility maps of the Da Lat province, which is one of the landslide prone regions of Vietnam. Novel hybrid models of alternating decision trees (ADT) with various ensemble methods, namely bagging, dagging, MultiBoostAB, and RealAdaBoost, were developed namely B-ADT, D-ADT, MBAB-ADT, RAB-ADT, respectively. Data of 72 past landslide events was used in conjunction with 11 landslide conditioning factors (curvature, distance from geological boundaries, elevation, land use, Normalized Difference Vegetation Index (NDVI), relief amplitude, stream density, slope, lithology, weathering crust and soil) in the development and validation of the models. Area under the receiver operating characteristic (ROC) curve (AUC), and several statistical measures were applied to validate these models. Results indicated that performance of all the models was good (AUC value greater than 0.8) but B-ADT model performed the best (AUC= 0.856). Landslide susceptibility maps generated using the proposed models would be helpful to decision makers in the risk management for land use planning and infrastructure development.

Place, publisher, year, edition, pages
Switzerland: MDPI, 2019. Vol. 11, no 24, article id 7118
Keywords [en]
landslides, alternating decision trees, bagging, dagging, MultiBoostAB, RealAdaBoost, hybrid models
National Category
Geotechnical Engineering
Research subject
Soil Mechanics
Identifiers
URN: urn:nbn:se:ltu:diva-77157DOI: 10.3390/su11247118OAI: oai:DiVA.org:ltu-77157DiVA, id: diva2:1377674
Note

Validerad;2020;Nivå 2;2019-12-16 (johcin)

Available from: 2019-12-12 Created: 2019-12-12 Last updated: 2019-12-16Bibliographically approved

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