Crounse, J. D. and DeCarlo, P. F. and Blake, D. R. and Emmons, L. K. and Campos, T. L. and Apel, E. C. and Clarke, A. D. and Weinheimer, A. J. and McCabe, D. C. and Yokelson, R. J. and Jimenez, J. L. and Wennberg, P. O. (2009) Biomass burning and urban air pollution over the Central Mexican Plateau. Atmospheric Chemistry and Physics, 9 (14). pp. 4929-4944. ISSN 1680-7316. http://resolver.caltech.edu/CaltechAUTHORS:20090817-144820071
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Observations during the 2006 dry season of highly elevated concentrations of cyanides in the atmosphere above Mexico City (MC) and the surrounding plains demonstrate that biomass burning (BB) significantly impacted air quality in the region. We find that during the period of our measurements, fires contribute more than half of the organic aerosol mass and submicron aerosol scattering, and one third of the enhancement in benzene, reactive nitrogen, and carbon monoxide in the outflow from the plateau. The combination of biomass burning and anthropogenic emissions will affect ozone chemistry in the MC outflow.
|Additional Information:||© Author(s) 2009. This work is distributed under the Creative Commons Attribution 3.0 License. Received: 18 November 2008 – Published in Atmos. Chem. Phys. Discuss.: 28 January 2009. Revised: 12 May 2009 – Accepted: 9 July 2009 – Published: 24 July 2009. The MIRAGE-mex campaign was a cooperative project of NASA and NSF. Funding for Caltech was provided through NASA (NAG: NNG06GB32B). We thank S. Madonich, F. Flocke, and NCAR’s Research Aviation Facility (RAF) for mission design and support with instrument integration onto the aircraft. The National Center for Atmospheric Research is sponsored by the National Science Foundation. C. Wiedinmyer provided climatological fire data from the MODIS instrumentation. We thank J. Fast for comments on this work. We thank U. Steiner, J. Oliver, and N. Allen for technical support of the CIMS instruments whose development was generously supported by William and Sonja Davidow. J.D.C. and P.F.D. acknowledge support from the EPA-STAR Fellowship Program (FP916334012 and FP91650801). Funding for J.L.J. and P.D.F. was provided though NSF (ATM-0513116) and NASA grants (NNG06GB03G). D.R.B. acknowledges NSF’s Atmospheric Chemistry Division (ACD) for support. This work has not been formally reviewed by the EPA. The views expressed in this document are solely those of the authors and the EPA does not endorse any products or commercial services mentioned in this publication.|
|Official Citation:||Crounse, J. D., DeCarlo, P. F., Blake, D. R., Emmons, L. K., Campos, T. L., Apel, E. C., Clarke, A. D., Weinheimer, A. J., McCabe, D. C., Yokelson, R. J., Jimenez, J. L., and Wennberg, P. O.: Biomass burning and urban air pollution over the Central Mexican Plateau, Atmos. Chem. Phys., 9, 4929-4944, 2009.|
|Usage Policy:||This work is distributed under the Creative Commons Attribution 3.0 License.|
|Deposited By:||George Porter|
|Deposited On:||21 Aug 2009 22:37|
|Last Modified:||06 Feb 2015 23:38|
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