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A comparison study of three urban air pollution models
Institution:1. Department of Rehabilitation and Regenerative Medicine, Columbia University Medical Center, New York, NY, USA;2. Department of Rehabilitation Medicine, Weill Cornell Medicine, 525 East 68th Street, Baker Pavilion F-1600, New York, NY 10065, USA;1. University of Miami, Department of Geography, 1300 Campo Sano Avenue, Coral Gables, FL 33124-4401, United States;2. Instituto Brasileiro do Meio Ambiente e dos Recursos Naturais Renováveis, Rua Conselheiro Mafra, 784, 88010-102, Florianópolis, Santa Catarina, Brazil;3. Universidade Federal do Amapá, Graduate Program in Tropical Biodiversity, Rodovia Juscelino Kubitschek, km 02, Jardim Marco Zero, 68903-419, Macapá, Amapá, Brazil;1. Department of Drug Technology, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia in Katowice, Jednosci 8, 41-200 Sosnowiec, Poland;2. Department of Toxicology and Bioanalysis, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia in Katowice, Ostrogorska 30, 41-200 Sosnowiec, Poland;1. Department of Oncology, Affiliated Hospital of Jiangnan University, Wuxi 214062, PR China;2. School of Life Sciences and Health Engineering, Jiangnan University, Wuxi 214122, PR China;3. Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Biotechnology, Jiangnan University, Wuxi 214122, PR China;4. Wuxi School of Medicine, Jiangnan University, Wuxi 214122, PR China;5. Wuxi People’s Hospital, Wuxi, Jiangsu 214023, PR China
Abstract:The predictions of three urban air pollution models with varying degrees of mathematical and computational complexities are compared against the hourly SO2 ground-level concentrations observed on 10 winter nights of the RAPS experiment in St. Louis. The emphasis in this study is on the prediction of urban area source concentrations. Statistics for the paired comparison of predictions of each model with the observations are presented. The RAM and the ATDL model with stable diffusion coefficients overestimated the observed night-time concentrations. The results show that the performance of the ATDL model with near-neutral diffusion coefficients is comparable to the more sophisticated 3-D grid numerical model.
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