Regional diffusion model on estimating long-term average concentration of atmospheric pollutants |
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| Affiliation: | 1. Department of Paediatrics, Division of Cardiology, The Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada;2. Department of Medicine, University of Toronto, Toronto, Ontario, Canada;3. Division of Cardiology, The Hospital for Sick Children, Toronto, Ontario, Canada;4. Department of Paediatrics, Hospital Dr Sotero del Rio, Pediatric Cardiovascular Center, Clinica Santa Maria, Santiago, Chile;5. Division of Paediatrics, Pontificia Universidad Catolica de Chile, Santiago, Chile;6. Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden;7. Center for Medical Genetics, University of Antwerp/Antwerp University Hospital, Antwerp, Belgium;8. Department of Cardiac and Thoracic Vascular Surgery, Universitaetsklinikum Schleswig-Holstein, Campus Luebeck, Luebeck, Germany;9. Medicine, Pediatrics, and Molecular Biology and Genetics, Johns Hopkins University School of Medicine/Howard Hughes Medical Institute, Baltimore, Maryland, USA;10. Department of Pediatrics, Centre Hospitalier Universitaire Sainte-Justine, Université de Montréal, Montréal, Quebec, Canada;11. Department of Paediatrics, London Health Sciences Centre Children’s Hospital, University of Western Ontario, London, Ontario, Canada;1. Beijing Institute of Pharmacology and Toxicology, Beijing 100850, PR China;2. State Key Laboratory of Toxicology and Medical Countermeasures, Beijing 100850, China;3. State Key Laboratory of Bioactive Substances and Functions of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China;1. Department of Internal Medicine, Italy;2. Hematology Department, Azienda Ospedaliera, Cosenza, Italy |
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| Abstract: | This article, based on the Gaussian Model, concerns a model which is not an explicit function of source parameters (Q, ΔH). The equation model shows that the long-term average concentration (LTAC) distribution is positively related to the instantaneous concentration distribution in the long-term mean wind speed. The meteorological factors affecting LTAC have been considered by the model, meanwhile, the way of obtaining these factors is much easier than that of the joint frequency table, which is used widely. Finally, a useful example is given to predict the long-term air pollution level using this model. |
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