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Evaluation of the p...
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Dore, A. J.UK Centre For Ecology & Hydrology (UKCEH)
(author)
Evaluation of the performance of different atmospheric chemical transport models and inter-comparison of nitrogen and sulphur deposition estimates for the UK
- Article/chapterEnglish2015
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Elsevier BV,2015
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LIBRIS-ID:oai:research.chalmers.se:68679b06-9a57-44d7-90d1-06fa12b9eefd
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https://doi.org/10.1016/j.atmosenv.2015.08.008DOI
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https://research.chalmers.se/publication/227648URI
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Language:English
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Summary in:English
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Subject category:art swepub-publicationtype
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Subject category:ref swepub-contenttype
Notes
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An evaluation has been made of a number of contrasting atmospheric chemical transport models, of varying complexity, applied to estimate sulphur and nitrogen deposition in the UK. The models were evaluated by comparison with annually averaged measurements of gas, aerosol and precipitation concentrations from the national monitoring networks. The models were evaluated in relation to performance criteria. They were generally able to satisfy a criterion of 'fitness for purpose' that at least 50% of modelled concentrations should be within a factor of two of measured values. The second criterion, that the magnitude of the normalised mean bias should be less than 20%, was not always satisfied. Considering known uncertainties in measurement techniques, this criterion may be too strict. Overall, simpler models were able to give a good representation of measured gas concentrations whilst the use of dynamic meteorology, and complex photo-chemical reactions resulted complex models. The models were compared graphically by plotting maps and cross-country transects of wet and dry deposition as well as calculating budgets of total wet and dry deposition to the UK for sulphur, oxidised nitrogen and reduced nitrogen. The total deposition to the UK varied by 22-36% amongst the different models depending on the deposition component. At a local scale estimates of both dry and wet deposition for individual 5 km x 5 km model grid squares were found to vary between the different models by up to a factor of 4.
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Carslaw, D.C.King's College London
(author)
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Braban, C. F.UK Centre For Ecology & Hydrology (UKCEH)
(author)
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Cain, M.University Of Cambridge
(author)
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Chemel, C.University of Hertfordshire
(author)
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Conolly, C.Ricardo UK Limited
(author)
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Derwent, R.
(author)
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Griffiths, S.J.
(author)
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Hall, J.UK Centre For Ecology & Hydrology (UKCEH)
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Hayman, G. D.UK Centre For Ecology & Hydrology (UKCEH)
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Lawrence, S.
(author)
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Metcalfe, S.E.University Of Nottingham
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Redington, A.L.Met Office
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Simpson, David,1961Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)simpson
(author)
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Sutton, M. A.UK Centre For Ecology & Hydrology (UKCEH)
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Sutton, P.A.UK Centre For Ecology & Hydrology (UKCEH)
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Tang, Y. S.UK Centre For Ecology & Hydrology (UKCEH)
(author)
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Vieno, M.UK Centre For Ecology & Hydrology (UKCEH)
(author)
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Davey, W.M.Uniwersytet Wrocławski,University of Wrocław
(author)
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Whyatt, J.D.Lancaster University
(author)
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UK Centre For Ecology & Hydrology (UKCEH)King's College London
(creator_code:org_t)
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In:Atmospheric Environment: Elsevier BV119, s. 131-1431873-28441352-2310
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- By the author/editor
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Dore, A. J.
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Carslaw, D.C.
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Braban, C. F.
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Cain, M.
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Chemel, C.
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Conolly, C.
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show more...
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Derwent, R.
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Griffiths, S.J.
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Hall, J.
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Hayman, G. D.
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Lawrence, S.
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Metcalfe, S.E.
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Redington, A.L.
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Simpson, David, ...
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Sutton, M. A.
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Sutton, P.A.
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Tang, Y. S.
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Vieno, M.
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Davey, W.M.
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Whyatt, J.D.
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Chalmers University of Technology