Modelling future impacts of air pollution using the multi-scale UK Integrated Assessment Model (UKIAM)
Oxley, Tim; Dore, Anthony J.; ApSimon, Helen; Hall, Jane; Kryza, Maciej. 2013 Modelling future impacts of air pollution using the multi-scale UK Integrated Assessment Model (UKIAM). Environment International, 61. 17-35. 10.1016/j.envint.2013.09.009
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Abstract/Summary
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 needing to re-run complex atmospheric dispersion models. The UK integrated assessment model has been developed to investigate strategies for reducing UK emissions by integrating 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 road-side, UK emissions sources, atmospheric dispersion of emissions, implementation of abatement measures, dynamic integration with European-scale modelling, and environmental impacts. The model generates outputs which are used to evaluate alternative strategies in relation to emissions, deposition patterns, air quality metrics and ecosystem critical load exceedance. Finally, 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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