ESTIMATION OF PROBABILITY DENSITY OF POTENTIAL FIRE INTENSITY USING QUANTILE REGRESSION AND BI-DIRECTIONAL LONG SHORT-TERM MEMORY

被引：0
|
作者：
Chen, Rui [1 ]
Li, Yanxi [1 ]
Yin, Jianpeng [1 ]
Fan, Chunquan [1 ]
Zhang, Yiru [1 ]
He, Binbin [1 ]
Liu, Chuanfeng [1 ]
机构：
[1] Univ Elect Sci & Technol China, Sch Resources & Environm, Chengdu, Peoples R China
来源：
IGARSS 2023 - 2023 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM | 2023年
基金：
国家重点研发计划;
关键词：
Wildfire; potential fire intensity; probability density; quantile regression; Bi-directional Long Short-Term Memory;
D O I：
10.1109/IGARSS52108.2023.10281759
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
Accurate estimation of potential fire intensity (PFI) can improve wildfire management. The PFI can be simulated by fire spread models, but with immeasurable uncertainties. There are also some difficulties in estimating PFI with multi-source drivers, since the fire spread is limited by fire suppression. This study aimed to estimate the probability density of PFI over southwestern China, using time-series fuel and weather data as well as topographic data. The Quantile Regression and Bi-directional Long Short-Term Memory were selected to establish the prediction model of PFI. The results showed that the QR-BiLSTM performed best at the 90% confidence level. The modal PFI values extracted from the estimated probability density were closer to the observed values. This study suggests the potential of probability density estimation of PFI with artificial intelligence, for which improves wildfire risk assessment.
引用
收藏
页码：2516 / 2519
页数：4
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