Modelling future impacts of air pollution using the multi-scale UK Integrated Assessment Model (UKIAM) |
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| Institution: | 1. Centre for Environmental Policy (CEP), Imperial College London, SW7 2AX, UK;2. Centre for Ecology & Hydrology (CEH), Bush Estate, Penicuik, Midlothian EH26 0QB, UK;3. Centre for Ecology & Hydrology (CEH), Deiniol Road, Bangor, Gwynedd LL57 2UY, UK;4. Institute of Geography and Regional Development, Wroc?aw University, ul. Kosiby 6/8, 51-670 Wroc?aw, Poland;1. School of Engineering, Newcastle University, NE1 7RU, UK;2. School of Geography, University of Leeds, LS2 9JT, UK;3. Department of Civil Engineering, University of Birmingham, B15 2TT, UK;4. Department of Architecture, University of Cambridge, CB2 1PX, UK;1. State Key Joint Laboratory of ESPC, School of Environment, Tsinghua University, Beijing 100084, China;2. Institute for Environmental and Climate Research, Jinan University, Guangzhou 511443, China;3. School of Atmospheric Sciences, Sun Yat-Sen University, Guangzhou 510275, China;4. International Laboratory for Air Quality and Health, Queensland University of Technology, 2 George Street, Brisbane, QLD 4001, Australia |
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| Abstract: | Integrated assessment modelling has evolved to support policy development in relation to air pollutants and greenhouse gases by providing integrated simulation tools able to produce quick and realistic representations of emission scenarios and their environmental impacts without the need to re-run complex atmospheric dispersion models. The UK Integrated Assessment Model (UKIAM) has been developed to investigate strategies for reducing UK emissions by bringing together information on projected UK emissions of SO2, NOx, NH3, PM10 and PM2.5, atmospheric dispersion, criteria for protection of ecosystems, urban air quality and human health, and data on potential abatement measures to reduce emissions, which may subsequently be linked to associated analyses of costs and benefits. We describe the multi-scale model structure ranging from continental to roadside, UK emission sources, atmospheric dispersion of emissions, implementation of abatement measures, integration with European-scale modelling, and environmental impacts. The model generates outputs from a national perspective which are used to evaluate alternative strategies in relation to emissions, deposition patterns, air quality metrics and ecosystem critical load exceedance. We present a selection of scenarios in relation to the 2020 Business-As-Usual projections and identify potential further reductions beyond those currently being planned. |
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