Articles | Volume 15, issue 9
https://doi.org/10.5194/acp-15-5243-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/acp-15-5243-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
| 
12 May 2015
Research article |
| 12 May 2015
Gas and aerosol carbon in California: comparison of measurements and model predictions in Pasadena and Bakersfield
K. R. Baker
CORRESPONDING AUTHOR
Office of Air Quality Planning and Standards, US Environmental Protection Agency, Research Triangle Park, NC, USA
A. G. Carlton
Dept. of Environmental Sciences, Rutgers University, New Brunswick, NJ, USA
T. E. Kleindienst
Office of Research and Development, US Environmental Protection Agency, Research Triangle Park, NC, USA
J. H. Offenberg
Office of Research and Development, US Environmental Protection Agency, Research Triangle Park, NC, USA
M. R. Beaver
Office of Research and Development, US Environmental Protection Agency, Research Triangle Park, NC, USA
D. R. Gentner
Department of Chemical and Environmental Engineering, Yale University, New Haven, CT, USA
A. H. Goldstein
Department of Civil and Environmental Engineering, University of California, Berkeley, CA, USA
P. L. Hayes
Département de Chimie, Université de Montréal, Montréal, Québec, Canada
J. L. Jimenez
Department of Chemistry & Biochemistry, and CIRES, University of Colorado, Boulder, Colorado, USA
J. B. Gilman
Chemical Sciences Division, Earth System Research Laboratory, National Oceanic and Atmospheric Administration, Boulder, CO, USA
J. A. de Gouw
Chemical Sciences Division, Earth System Research Laboratory, National Oceanic and Atmospheric Administration, Boulder, CO, USA
M. C. Woody
Office of Research and Development, US Environmental Protection Agency, Research Triangle Park, NC, USA
H. O. T. Pye
Office of Research and Development, US Environmental Protection Agency, Research Triangle Park, NC, USA
J. T. Kelly
Office of Air Quality Planning and Standards, US Environmental Protection Agency, Research Triangle Park, NC, USA
M. Lewandowski
Office of Research and Development, US Environmental Protection Agency, Research Triangle Park, NC, USA
Alion Science and Technology, Inc., Research Triangle Park, NC, USA
P. S. Stevens
Center for Research in Environmental Science, School of Public and Environmental Affairs and Department of Chemistry, Indiana University, Bloomington, IN, USA
W. H. Brune
Department of Meteorology, Pennsylvania State University, University Park, PA, USA
Y.-H. Lin
Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
C. L. Rubitschun
Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
J. D. Surratt
Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
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Latest update: 06 Dec 2025
Short summary
This work details the evaluation of PM2.5 carbon, VOC precursors, and OH estimated by the CMAQ photochemical transport model using routine and special measurements from the 2010 CalNex field study. Here, CMAQ and most recent emissions inventory (2011 NEI) are used to generate model PM2.5 OC estimates that are examined in novel ways including primary vs. secondary formation, fossil vs. contemporary carbon, OH and HO2 evaluation, and the relationship between key VOC precursors and SOC tracers.
This work details the evaluation of PM2.5 carbon, VOC precursors, and OH estimated by the CMAQ...
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