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ENSEMBLE DEEP LEARNING FOR CLASSIFICATION OF POLLUTION PEAKS

文献类型: 会议论文

第一作者: PHUONG N. CHAU

作者: PHUONG N. CHAU 1 ; RASA ZALAKEVICIUTE 2 ; YVES RYBARCZYK 1 ;

作者机构: 1.School of Information and Engineering, Dalarna University, Sweden

2.Grupo de Biodiversidad Medio Ambiente y Salud (BIOMAS), Universidad de Las Americas, Ecuadorl

关键词: machine learning;deep learning;air pollution forecasting;data-driven modelling

会议名称: International conferences on modelling, monitoring and management of air and water pollution

主办单位:

页码: 25-36

摘要: The concentration peaks of atmospheric pollutants are the most challenging and important phenomena in air quality forecasting. The fact that these elevated levels of pollution do not seem to follow any specific pattern explains why current models still struggle to provide an accurate prediction of these harmful events for human health. The present study tackles this issue by testing several supervised learning methods to discriminate between peak and no peak of concentrations of five contaminants: NO_2, CO, SO_2, PM2.5, and O_3. The classification performance of ensemble decision tree (gradient boosting machine (GBM)) models and ensemble deep learning (EDL) models are compared. The results reveal that the EDL outperforms the GBM model. An analysis of the variable importance (SHapley additive explanations (SHAP)) shows that both temporal and meteorological features have an impact on the proposed models. In particular, time of day and wind speed are the most important features to explain the performance of the ensemble DL models.

分类号: x51

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