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Prediction of debris flow disaster in Palongzangbu Basin based on GBDT model and ArcGIS

by Enci Yang 1 Hui Liu 1 Shangshan Wei 1 Ziyao Suo 1 Bohan Jia 1  and  Gen Zhang 1,*
1
Engineering Institute, Tibet University, Tibet, China
*
Author to whom correspondence should be addressed.
Received: / Accepted: / Published Online: 24 August 2024

Abstract

The purpose of this study is to use the gradient boosting decision tree ( GBDT ) model to predict the debris flow disaster in the Palongzangbu Basin, and to combine ArcGIS for spatial visualization. We selected key features such as terrain slope, accumulation fan area, longitudinal slope, source area, precipitation, and distance to the fault to construct the GBDT model to quantify the impact of each feature on the occurrence of debris flow. The results show that slope ( 21.30 % ) and accumulation fan area ( 20.10 % ) are the main influencing factors of debris flow. Combined with ArcGIS mapping technology, we generated a debris flow risk distribution map, clearly identified high-risk areas in the basin, and provided a scientific basis for disaster prevention and mitigation. This study verifies the effectiveness of the GBDT model in debris flow disaster prediction, and shows the key role of geographic information system in disaster risk management, which provides an important reference for future disaster warning and prevention.


Copyright: © 2024 by Yang, Liu, Wei, Suo, Jia and Zhang. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY) (Creative Commons Attribution 4.0 International License). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
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ACS Style
Yang, E.; Liu, H.; Wei, S.; Suo, Z.; Jia, B.; Zhang, G. Prediction of debris flow disaster in Palongzangbu Basin based on GBDT model and ArcGIS. Journal of Globe Scientific Reports, 2024, 6, 109. doi:10.69610/j.gsr.20240824
AMA Style
Yang E, Liu H, Wei S et al.. Prediction of debris flow disaster in Palongzangbu Basin based on GBDT model and ArcGIS. Journal of Globe Scientific Reports; 2024, 6(3):109. doi:10.69610/j.gsr.20240824
Chicago/Turabian Style
Yang, Enci; Liu, Hui; Wei, Shangshan; Suo, Ziyao; Jia, Bohan; Zhang, Gen 2024. "Prediction of debris flow disaster in Palongzangbu Basin based on GBDT model and ArcGIS" Journal of Globe Scientific Reports 6, no.3:109. doi:10.69610/j.gsr.20240824

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