Abstract
The FRAME atmospheric chemistry transport model was applied to calculate the concentration of NH3 at a 1 km resolution over the UK. The results showed that the 1 μg m−3 critical level for NH3 was exceeded for 60% of the UK land area and the 3 μg m−3 critical level was exceeded for 3% of the land area. Model simulations using historical emissions suggested that average NH3 concentrations in the UK have increased by a factor of 2.5 between 1970 and 2010 due to both an increase in NH3 emissions and large reductions in SO2 emissions causing a reduction in the availability of H2SO4 to react with NH3.
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This work was funded by the UK Natural Environment Research Council and the UK Department for Environment, Food and Rural Affairs.
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Dore, A. et al. (2020). Modelling the Concentration of Ammonia and Exceedance of the Critical Level in the UK. In: Mensink, C., Gong, W., Hakami, A. (eds) Air Pollution Modeling and its Application XXVI. ITM 2018. Springer Proceedings in Complexity. Springer, Cham. https://doi.org/10.1007/978-3-030-22055-6_10
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DOI: https://doi.org/10.1007/978-3-030-22055-6_10
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