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Application of multiple wind-roses to improve the modelling of ground-level ozone in the UK

Strong, J. and Whyatt, Duncan and Hewitt, C. N. (2006) Application of multiple wind-roses to improve the modelling of ground-level ozone in the UK. Atmospheric Environment, 40 (39). pp. 7480-7493. ISSN 1352-2310

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Abstract

The Edinburgh Lancaster Model for Ozone (ELMO) has been previously used to predict ground-level ozone concentrations in the UK. Here we make significant improvements to its modelling performance by the application of more representative meteorology. We find that when ELMO is used with a series of distance weighted (DW) wind-roses, distributed across the whole of the UK, it closely predicts the 98th percentile of the annual hourly ozone concentration typical of summertime ozone episodes as validated against observations at 15 rural monitoring sites. There is, however, still some over-prediction of this metric in urban and sub-urban areas impacted by large emissions of NO,. We use ELMO with DW wind-roses to predict the effects of reductions of precursor emissions on ozone concentrations and demonstrate the extent to which the UK Air Quality Standard (AQS) for ozone is likely to be exceeded across the country in 2010. (c) 2006 Elsevier Ltd. All rights reserved.

Item Type: Article
Journal or Publication Title: Atmospheric Environment
Uncontrolled Keywords: ELMO ; master chemical mechanism ; summertime peak ozone ; air quality standards ; ORGANIC-COMPOUNDS ; SURFACE OZONE ; MACE-HEAD ; CARBON-MONOXIDE ; AIR-POLLUTION ; GLOBAL-SCALE ; EUROPE ; IRELAND ; INVENTORY ; MECHANISM
Subjects: G Geography. Anthropology. Recreation > G Geography (General)
Departments: Faculty of Science and Technology > Lancaster Environment Centre
ID Code: 11334
Deposited By: Dr Duncan Whyatt
Deposited On: 13 Aug 2008 15:59
Refereed?: Yes
Published?: Published
Last Modified: 06 Sep 2013 17:33
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/11334

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