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Influence of grid resolution and meteorological forcing on simulated European air quality: A sensitivity study with the modeling system COSMO-MUSCAT

Wolke, Ralf; Schroder, Wolfgang P.; Schrödner, Roland LU and Renner, Eberhard (2012) In Atmospheric Environment 53. p.110-130
Abstract
Model evaluation studies are essential for determining model performance as well as assessing model deficiencies, and are the focus of the Air Quality Model Evaluation International Initiative (AQMEII). The chemistry-transport model system COSMO–MUSCAT participates in this initiative. In this paper the robustness and variability of the model results against changes in the model setup are analyzed. Special focus is given to the formation of secondary particulate matter and the ability to reproduce unusually high levels of PM10 in Central Europe caused by long-range transported smoke of fires in western Russia. Seven different model configurations are investigated in this study. The COSMO–MUSCAT results are evaluated in comparison with... (More)
Model evaluation studies are essential for determining model performance as well as assessing model deficiencies, and are the focus of the Air Quality Model Evaluation International Initiative (AQMEII). The chemistry-transport model system COSMO–MUSCAT participates in this initiative. In this paper the robustness and variability of the model results against changes in the model setup are analyzed. Special focus is given to the formation of secondary particulate matter and the ability to reproduce unusually high levels of PM10 in Central Europe caused by long-range transported smoke of fires in western Russia. Seven different model configurations are investigated in this study. The COSMO–MUSCAT results are evaluated in comparison with ground-based measurements in Central Europe. The analysis is performed for two selected periods in April/May 2006 and October 2006 which are characterized by elevated concentrations of PM. Furthermore, the sensitivity of the results is studied against the used grid resolution and the meteorological forcing. Here, COSMO–MUSCAT is applied with different horizontal grid sizes and, alternatively, forced by reanalysis data with finer resolution. The use of finer grid resolutions in COSMO–MUSCAT has direct consequences on the meteorological forcing as well as on the calculated emission and deposition rates. The presented results suggest a large impact of the meteorological effects on the PM concentrations. The more accurate spatial appointment of the emissions and deposition fluxes seems to be of little consequence compared to the meteorological forcing. (Less)
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author
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Model evaluation, Ammonium sulfate, Ammonium nitrate, PM10
in
Atmospheric Environment
volume
53
pages
110 - 130
publisher
Elsevier
external identifiers
  • scopus:84860585936
ISSN
1352-2310
DOI
10.1016/j.atmosenv.2012.02.085
language
English
LU publication?
no
id
f4a2a228-9f5d-4093-8d68-945c99e1fc66
date added to LUP
2017-07-05 14:59:23
date last changed
2017-08-27 06:44:10
@article{f4a2a228-9f5d-4093-8d68-945c99e1fc66,
  abstract     = {Model evaluation studies are essential for determining model performance as well as assessing model deficiencies, and are the focus of the Air Quality Model Evaluation International Initiative (AQMEII). The chemistry-transport model system COSMO–MUSCAT participates in this initiative. In this paper the robustness and variability of the model results against changes in the model setup are analyzed. Special focus is given to the formation of secondary particulate matter and the ability to reproduce unusually high levels of PM10 in Central Europe caused by long-range transported smoke of fires in western Russia. Seven different model configurations are investigated in this study. The COSMO–MUSCAT results are evaluated in comparison with ground-based measurements in Central Europe. The analysis is performed for two selected periods in April/May 2006 and October 2006 which are characterized by elevated concentrations of PM. Furthermore, the sensitivity of the results is studied against the used grid resolution and the meteorological forcing. Here, COSMO–MUSCAT is applied with different horizontal grid sizes and, alternatively, forced by reanalysis data with finer resolution. The use of finer grid resolutions in COSMO–MUSCAT has direct consequences on the meteorological forcing as well as on the calculated emission and deposition rates. The presented results suggest a large impact of the meteorological effects on the PM concentrations. The more accurate spatial appointment of the emissions and deposition fluxes seems to be of little consequence compared to the meteorological forcing.},
  author       = {Wolke, Ralf and Schroder, Wolfgang P. and Schrödner, Roland and Renner, Eberhard},
  issn         = {1352-2310},
  keyword      = {Model evaluation,Ammonium sulfate,Ammonium nitrate,PM10},
  language     = {eng},
  pages        = {110--130},
  publisher    = {Elsevier},
  series       = {Atmospheric Environment},
  title        = {Influence of grid resolution and meteorological forcing on simulated European air quality: A sensitivity study with the modeling system COSMO-MUSCAT},
  url          = {http://dx.doi.org/10.1016/j.atmosenv.2012.02.085},
  volume       = {53},
  year         = {2012},
}