Trends in urban air pollution in the United Kingdom during recent decades |
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| Institution: | 1. IDAD - Institute of Environment and Development, Campus Universitário, 3810-193 Aveiro, Portugal;2. CESAM, Department of Environment and Planning, University of Aveiro, 3810-193 Aveiro, Portugal;1. MOE Laboratory of Earth Surface Processes, College of Urban and Environmental Sciences, Peking University, Beijing, 100871, China;2. School of Environmental Science and Engineering, Tianjin University, Tianjin, 300072, China;3. School of Geographic Sciences, East China Normal University, Shanghai, 200241, China;4. School of Environment and Natural Resources, Renmin University of China, Beijing, 100872, China;1. Heriot Watt University, United Kingdom;2. Marine Scotland Science, United Kingdom;3. Marine Alliance for Science and Technology for Scotland, United Kingdom;4. University of Strathclyde, United Kingdom;5. University of Swansea, United Kingdom;6. University of Edinburgh, United Kingdom;7. University of the Highlands and Islands, United Kingdom;1. Partner State Key Laboratory of Environmental and Biological Analysis, Department of Chemistry, Hong Kong Baptist University, Hong Kong, China;2. South China Institute of Environmental Science, MEP, Guangzhou, China |
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| Abstract: | Analyses of measurements and modelling studies show that SO2 concentrations in most United Kingdom cities have decreased dramatically over the last 40 years. As a result, current concentrations do not provide an adequate picture of cumulative exposure of the built environment. Data for Lincoln Cathedral show that the current rate of exposure is about two-fifths of the average over the last four decades and that over the same period urban exposure was twice that in the surrounding countryside. Today, urban and rural exposures are similar. In contrast, urban NOx concentrations have not declined, decreases in industrial emissions being approximately offset by increases in emissions from motor vehicles. |
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