Traffic pollution inventories and modeling in metropolitan Dhaka,Bangladesh |
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| Affiliation: | 1. Cyprus International Institute for Environmental and Public Health, Cyprus University of Technology, Limassol, Cyprus;2. Department of Environmental Health, Harvard T.H. Chan School of Public Health, Harvard University, Boston, MA, USA;3. Department of Medicine, Faculty of Medicine, Kuwait University, Kuwait City, Kuwait;4. Dasman Diabetes Institute, Kuwait City, Kuwait;5. Pulmonary, Allergy, Sleep, and Critical Care Medicine Section, VA Boston Healthcare System, Boston, MA, USA;6. Channing Division of Network Medicine, Brigham and Women’s Hospital, Boston, MA, USA;7. Harvard Medical School, Boston, MA, USA;8. Division of Environmental Health Sciences, School of Public Health, University of California, Berkeley, CA, USA;9. Chemical Engineering Department, Kuwait University, Kuwait City, Kuwait;10. Environment and Life Sciences Center, Kuwait Institute for Scientific Research (KISR), Kuwait City, Kuwait |
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| Abstract: | Several monitoring and surveys on ambient concentration of oxides of nitrogen (NOx), lead (Pb), particulate matter (PM), carbon monoxide (CO) and black smoke have been carried out by the author, Bangladesh Atomic Energy Commission (BAEC), Department of Civil Engineering, Bangladesh University of Engineering and Technology (BUET), and Department of Environment (DOE), Bangladesh Government at different street intersections of metropolitan Dhaka. In addition, all traffic pollutant concentrations at 82 street intersections were estimated using the Gaussian Plume Model. The surveys and the analysis were undertaken primarily to provide an independent check on the pollutant concentration and to determine if there is any violation of the international compliance. The study covers, for the first time in its type, wide areas of road intersections and surveyed concentration of oxides of nitrogen. It has been observed that the concentration of NOx, black smoke, lead, and PM violate both the national and international standards in metropolitan Dhaka. In addition, the concentration of CO is found relatively higher during the noon buildups. |
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