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		<citationkey>FreitasLDCDAAGRFP:2007:MoDeEv</citationkey>
		<title>The Coupled Aerosol and Tracer Transport model to the Brazilian developments on the Regional Atmospheric Modeling System (CATT-BRAMS) - Part 1: Model description and evaluation</title>
		<year>2007</year>
		<month>JUN</month>
		<secondarytype>PRE PI</secondarytype>
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		<author>Freitas, S. R.,</author>
		<author>Longo, K. M.,</author>
		<author>Dias, M. A. F. S.,</author>
		<author>Chatfield, R.,</author>
		<author>Dias, P.,</author>
		<author>Artaxo, Paulo,</author>
		<author>Andreae, M.,</author>
		<author>Grell, G.,</author>
		<author>Rodrigues, L.,</author>
		<author>Fazenda, A.,</author>
		<author>Panetta, Jairo,</author>
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		<affiliation>Instituto Nacional de Pesquisas Espaciais (INPE)</affiliation>
		<affiliation>Instituto Nacional de Pesquisas Espaciais (INPE)</affiliation>
		<affiliation>Instituto Nacional de Pesquisas Espaciais (INPE)</affiliation>
		<affiliation>NASA Ames Research Center, Moffett Field, USA</affiliation>
		<affiliation>Department of Atmospheric Sciences, University of São Paulo, Brazil</affiliation>
		<affiliation>Institute of Physics, University of São Paulo, Brazil</affiliation>
		<affiliation>Max Planck Institute for Chemistry, Mainz, Germany</affiliation>
		<affiliation>Cooperative Institute for Research in Environmental Sciences (CIRES)</affiliation>
		<affiliation>Instituto Nacional de Pesquisas Espaciais (INPE)</affiliation>
		<affiliation>Instituto Nacional de Pesquisas Espaciais (INPE)</affiliation>
		<affiliation>Instituto Nacional de Pesquisas Espaciais (INPE)</affiliation>
		<electronicmailaddress>sfreitas@cptec.inpe.br</electronicmailaddress>
		<journal>Atmospheric Chemistry and Physics Discussion</journal>
		<volume>7</volume>
		<number>3</number>
		<pages>8525-8569</pages>
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		<abstract>We introduce the Coupled Aerosol and Tracer Transport model to the Brazilian developments on the Regional Atmospheric Modeling System (CATT-BRAMS). CATT-BRAMS is an on-line transport model fully consistent with the simulated atmospheric dynamics. Emission sources from biomass burning and urban-industrial-vehicular activities 5 for trace gases and aerosol particles are obtained from several published datasets and remote sensing information. The tracer and aerosol mass concentration prognostic includes the effects of sub-grid scale turbulence in the planetary boundary layer, convective transport by shallow and deep moist convection, wet and dry deposition, and plume rise associated with vegetation fires in addition to the grid scale transport. The 10 radiation parameterization takes into account the interaction between aerosol particles and short and long wave radiation. The atmospheric model BRAMS is based on the Regional Atmospheric Modeling System (RAMS), with several improvements associated with cumulus convection representation, soil moisture initialization and surface scheme tuned for the tropics, among others. In this paper the CATT-BRAMS model 15 is used to simulate carbon monoxide and particulate material (PM2.5) surface fluxes and atmospheric transport during the 2002 LBA field campaigns, conducted during the transition from the dry to wet season in the southwest Amazon Basin. Model evaluation is addressed with comparisons between model results and near surface, radiosonde and airborne measurements performed during the field campaign, as well as remote 20 sensing derived products. We show the matching of emissions strengths to observed carbon monoxide in the LBA campaign. A relatively good comparison to the MOPITT data, in spite of the fact that MOPITT a priori assumptions imply several difficulties, is also obtained.</abstract>
		<area>MET</area>
		<language>en</language>
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		<url>http://www.atmos-chem-phys-discuss.net/7/8525/2007/acpd-7-8525-2007.html</url>
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		<notes>Discussion Paper</notes>
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