A machine learning framework for multi-hazards modeling and mapping in a mountainous area.

Scientific Reports
Saleh YousefiJohn P Tiefenbacher

Abstract

This study sought to produce an accurate multi-hazard risk map for a mountainous region of Iran. The study area is in southwestern Iran. The region has experienced numerous extreme natural events in recent decades. This study models the probabilities of snow avalanches, landslides, wildfires, land subsidence, and floods using machine learning models that include support vector machine (SVM), boosted regression tree (BRT), and generalized linear model (GLM). Climatic, topographic, geological, social, and morphological factors were the main input variables used. The data were obtained from several sources. The accuracies of GLM, SVM, and functional discriminant analysis (FDA) models indicate that SVM is the most accurate for predicting landslides, land subsidence, and flood hazards in the study area. GLM is the best algorithm for wildfire mapping, and FDA is the most accurate model for predicting snow avalanche risk. The values of AUC (area under curve) for all five hazards using the best models are greater than 0.8, demonstrating that the model's predictive abilities are acceptable. A machine learning approach can prove to be very useful tool for hazard management and disaster mitigation, particularly for multi-hazard modeling. ...Continue Reading

References

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Feb 23, 2020·Scientific Reports·Hamid Reza PourghasemiArtemio Cerda

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Citations

Mar 7, 2021·Scientific Reports·Xuyang Lu
Jul 21, 2021·Sensors·Naruephorn TengtrairatDamrongsak Rinchumphu

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Software Mentioned

ArcGIS
fda
svm
R
glm

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