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Equilibrium of Sinks and Sources of Sulphate Over Europe: Comparison Between a Six-year Simulation and Emep Observations : Volume 9, Issue 1 (12/02/2009)

By Ménégoz, M.

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Book Id: WPLBN0003998419
Format Type: PDF Article :
File Size: Pages 35
Reproduction Date: 2015

Title: Equilibrium of Sinks and Sources of Sulphate Over Europe: Comparison Between a Six-year Simulation and Emep Observations : Volume 9, Issue 1 (12/02/2009)  
Author: Ménégoz, M.
Volume: Vol. 9, Issue 1
Language: English
Subject: Science, Atmospheric, Chemistry
Collections: Periodicals: Journal and Magazine Collection (Contemporary), Copernicus GmbH
Historic
Publication Date:
2009
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications

Citation

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Peuch, V., Legrand, M., Teyssèdre, H., Y Melia, D. S., Ménégoz, M., Martet, M.,...Josse, B. (2009). Equilibrium of Sinks and Sources of Sulphate Over Europe: Comparison Between a Six-year Simulation and Emep Observations : Volume 9, Issue 1 (12/02/2009). Retrieved from http://ebooklibrary.org/


Description
Description: Météo-France, CNRM-GAME, Toulouse, France. Sulphate distributions were simulated with a global chemistry transport model. A chemical scheme describing the sulphur cycle and the parameterisations of the main sinks for sulphate aerosols were included in the model. A six-year simulation was conducted from the years 2000 to 2005, driven by the ECMWF operational analyses. Emissions come from an inventory representative of the year 2000. This paper focuses on the analysis of the sulphate sinks and sources over Europe for the entire period of simulation. The Sulphate burden shows a marked annual cycle, which is the result of the annual variations of the aqueous and gaseous chemistry. Sulphate columns can vary regionally by 100% between different years, due to meteorological conditions, driving chemistry, transport and wet deposition of sulphate aerosols. Sulphate ground concentrations, scavenging fluxes and precipitation modelled were compared with observations. The model represents quite well sulphate fields over Europe, but has a general tendency to overestimate sulphate ground concentrations, in particular over Northern Europe. We assume that it is linked to the representation of the scavenging fluxes, which are underestimated. We suggest that uncertainties in modelled precipitation explain only partially the underestimation of the scavenging fluxes in the model.

Summary
Equilibrium of sinks and sources of sulphate over Europe: comparison between a six-year simulation and EMEP observations

Excerpt
Barrie, L. A., Yi, Y., Leaitch, W. R., Lohmann, U., Kasibhatla, P., Roelofs, G.-J., Wilson, J., McGovern, F., Benkovitz, C., Meliere, M. A., Law, K., Prospero, J., Kritz, M., Bergmann, D., Bridgeman, C., Chin, M., Christensen, J., Easter, R., Feichter, J., Land, C., Jeuken, A., Kjellstrom, E., Koch, D., and Rasch, P.: A comparison of large scale atmospheric sulphate aerosol models (COSAM): Overview and highlights, Tellus, 53B, 615–645, doi:10.1034/j.1600-0889.2001.530507.x., 2001.; Berglen, T. F., Berntsen, T. K., Isaksen, I. S. A., and Sundet, J. K.: A global model of the coupled sulfur/oxidant chemistry in the troposphere: The sulfur cycle, J. Geophys. Res., 109, D19310, doi:10.1029/2003JD003948, 2004.; Boucher, O., Pham, M., and Venkataraman, C.: Simulation of the atmospheric sulfur cycle in the Laboratoire de Météorologie Dynamique General Circulation Model. Model Description, Model Evaluation, and Global and European Budgets, Note no. 23, IPSL, 2002.; Crassier, V., Suhre, K., Tulet, P., and Rosset, R.: Development of a reduced chemical scheme for use in mesoscale meteorological models, Atmos. Environ., 34, 2633–2644, 2000.; Delmas, R., Mégie, G., and Peuch, V.-H: Physique et Chimie de l'Atmosphère, Belin productions, 640~pp., 2005.; Dentener, F., Kinne, S., Bond, T., Boucher, O., Cofala, J., Generoso, S., Ginoux, P., Gong, S., Hoelzemann, J. J., Ito, A., Marelli, L., Penner, J. E., Putaud, J.-P., Textor, C., Schulz, M., van der Werf, G. R., and Wilson, J.: Emissions of primary aerosol and precursor gases in the years~2000 and~1750 prescribed data-sets for AeroCom, Atmos. Chem. Phys., 6, 4321–4344, 2006.; Hass, H., van Loon, M., Kessler, C., Stern, R., Matthijsen, J., Sauter, F., Zlatev, Z., Langner, J., Foltescu, V., and Schaap, M: Aerosol Modeling: Results and Intercomparison from European Regional-scale Modeling Systems. A contribution to the EUROTRAC-2 subproject GLOREAM. Munich: GSF-National Research Center for Environment and Health, International Scientific Secretariat (ISS) – EUROTRAC-2 ISS (available at: http://www.rivm.nl/bibliotheek/digitaaldepot/GLOREAM_PMmodel-comparison.pdf), 85~pp., 2003.; Haywood, J. and Boucher, O.: Estimates of the direct and indirect radiative forcing due to tropospheric aerosols: a review, Review of Geophysics, 38, 4/November; paper number: 1999RG000078, 513–543, 2000.; Hjellbrekke, A.-G.: Data report~2002, acidifying and eutrophying compounds, Tech. Rep. EMEP/CCC Rep. 1/2004, EMEP, Oslo, Norway,123~pp., 2004.; Intergovernmental Panel on Climate Change, Climate Change: The scientific Basis, Cambridge Univ. Press, Cambridge, UK, 987~pp., 2007.; Josse, B., Simon, P., and Peuch, V.-H.: Rn-222 global simulations with the multiscale CTM~MOCAGE, Tellus, 56B, 339–356, 2004.; Kasibhatla, P., Chameides, W. L., and John, J. S.: A three-dimensional global model investigation of seasonal variations in the atmospheric burden of anthropogenic sulfate aerosols, J.Geophys. Res., 102, 3737–3759, 1997.; Kasper-Gibel, A., Koch, A., Hitzenberger, R., and Puxbaum, H.: Scavenging Efficiency of Aerosol Carbon and Sulfate in Supercooled Clouds at Mt. Sonnblick (3106 m a.s.l., Austria), J. Atmos. Chem., 35, 33–46, 2000.; Koch, D., Jacob, D., Tegen, I., Rind, D., and Chin, M.: Tropospheric sulfur simulation and sulfate direct radiative forcing in the Goddard Institute for Space Studies general circulation model, J. Geophys. Res., 104, 23799–23822, doi:10.1029/1999JD900248, 1999.; Lefèvre, F., Brasseur, G. P., Folkins, I., Smith, A. K., and Simon, P.: Chemistry of the 1991–1992 stratospheric winter: three-dimensional simulations, J. Geophys. Res., 99, 8183–8195, 1994.; Lelieveld, J., Crutzen, P. J., and Dentener, F. J.: Changing concentration, lifetime, and climate forcing of atmospheric methane, Tellus, 50B, 128–150, 1998.; Langner, J. and Rodhe, H.: A global three-dimensional model of the tropospheric sulphur cycle, J. Atmos. Chem., 13, 225–263, 1991.; Marmer, E. and Langmann, B.: Aerosol modeling over Europe:

 

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