Journal cover Journal topic
Atmospheric Chemistry and Physics An interactive open-access journal of the European Geosciences Union
doi:10.5194/acp-2016-1190
© Author(s) 2017. This work is distributed
under the Creative Commons Attribution 3.0 License.
Research article
10 Jan 2017
Review status
This discussion paper is under review for the journal Atmospheric Chemistry and Physics (ACP).
Mobile and stationary sources of air pollutants in the Amazon rainforest: a numerical study with WRF-Chem model
Sameh A. Abou Rafee1, Leila D. Martins1, Ana B. Kawashima1, Daniela S. Almeida1, Marcos V. B. Morais1, Rita V. A. Souza2, Maria B. L. Oliveira2, Rodrigo A. F. Souza2, Adan S. S. Medeiros2, Viviana Urbina3, Edmilson D. Freitas3, Scot T. Martin4, and Jorge A. Martins1 1Federal University of Technology – Parana, Londrina, Brazil
2Amazonas State University – Amazonas, Manaus, Brazil
3Department of Atmospheric Sciences, University of São Paulo, São Paulo, Brazil
4Harvard University, Cambridge, Massachusetts, USA
Abstract. This paper evaluates the impact of the emissions from mobile and stationary sources in the Amazon rainforest by using the Weather Research and Forecasting with Chemistry (WRF-Chem) model. The analyzed air pollutants were CO, NOx, SO2, O3, PM2.5, PM10 and VOCs. Five scenarios were defined in order to evaluate the emissions by biogenic, mobile and stationary sources, as well as future scenarios. Results show that the stationary sources explain the highest concentrations for all air pollutants evaluated, except for CO, for which the mobile sources are predominant ones. The futuristic scenario, which is twice the current emissions from mobile and stationary sources, has shown an increase in the range of 3 to 62 % in average concentrations and 45 to 109 % in peak concentrations depending on the pollutant. In addition, the spatial distributions of the scenarios has shown that the air pollutions plume from the city of Manaus is predominantly west and southwest, and it can reach hundreds of kilometers in length.

Citation: Abou Rafee, S. A., Martins, L. D., Kawashima, A. B., Almeida, D. S., Morais, M. V. B., Souza, R. V. A., Oliveira, M. B. L., Souza, R. A. F., Medeiros, A. S. S., Urbina, V., Freitas, E. D., Martin, S. T., and Martins, J. A.: Mobile and stationary sources of air pollutants in the Amazon rainforest: a numerical study with WRF-Chem model, Atmos. Chem. Phys. Discuss., doi:10.5194/acp-2016-1190, in review, 2017.
Sameh A. Abou Rafee et al.
Sameh A. Abou Rafee et al.
Sameh A. Abou Rafee et al.

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Short summary
This paper evaluates the impact of the emissions from mobile and stationary sources in the Amazon rainforest by using the Weather Research and Forecasting with Chemistry (WRF-Chem) model. Results show that stationary sources have an important role in the contribution of human activity in Manaus; a futuristic scenario of the expansion in the urban area demonstrates that it could increase air pollution; and the pollutant urban plume of Manaus has an impact over hundreds of kilometers in length.
This paper evaluates the impact of the emissions from mobile and stationary sources in the...
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