Articles | Volume 16, issue 21
https://doi.org/10.5194/acp-16-13561-2016
© Author(s) 2016. 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-16-13561-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
| 
01 Nov 2016
Research article |
| 01 Nov 2016
Why do models overestimate surface ozone in the Southeast United States?
Katherine R. Travis
CORRESPONDING AUTHOR
Harvard John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, USA
Daniel J. Jacob
Harvard John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, USA
Department of Earth and Planetary Sciences, Harvard University, Cambridge, MA, USA
Jenny A. Fisher
Centre for Atmospheric Chemistry, School of Chemistry, University of
Wollongong, Wollongong, NSW, Australia
School of Earth and Environmental Sciences, University of Wollongong,
Wollongong, NSW, Australia
Patrick S. Kim
Department of Earth and Planetary Sciences, Harvard University, Cambridge, MA, USA
Eloise A. Marais
Harvard John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, USA
Harvard John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, USA
Karen Yu
Harvard John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, USA
Christopher C. Miller
Harvard John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, USA
Robert M. Yantosca
Harvard John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, USA
Melissa P. Sulprizio
Harvard John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, USA
Anne M. Thompson
NASA Goddard Space Flight Center, Greenbelt, Maryland, USA
Paul O. Wennberg
Division of Geological and Planetary Sciences, California Institute of
Technology, Pasadena, CA, USA
Division of Engineering and Applied Science, California Institute of
Technology, Pasadena, CA, USA
John D. Crounse
Division of Geological and Planetary Sciences, California Institute of
Technology, Pasadena, CA, USA
Jason M. St. Clair
Division of Geological and Planetary Sciences, California Institute of
Technology, Pasadena, CA, USA
Ronald C. Cohen
Department of Chemistry, University of California, Berkeley, CA, USA
Joshua L. Laughner
Department of Chemistry, University of California, Berkeley, CA, USA
Jack E. Dibb
Earth System Research Center, University of New Hampshire, Durham, NH,
USA
Samuel R. Hall
Atmospheric Chemistry Division, National Center for Atmospheric
Research, Boulder, CO, USA
Kirk Ullmann
Atmospheric Chemistry Division, National Center for Atmospheric
Research, Boulder, CO, USA
Glenn M. Wolfe
Atmospheric Chemistry and Dynamics Laboratory, NASA Goddard Space
Flight Center, Greenbelt, MD, USA
Joint Center for Earth Systems Technology, University of Maryland
Baltimore County, Baltimore, MD, USA
Illana B. Pollack
Department of Atmospheric Science, Colorado State University, Colorado, USA
Jeff Peischl
University of Colorado, Cooperative Institute for Research in
Environmental Sciences, Boulder, CO, USA
NOAA Earth System Research Lab, Boulder, CO, USA
Jonathan A. Neuman
University of Colorado, Cooperative Institute for Research in
Environmental Sciences, Boulder, CO, USA
NOAA Earth System Research Lab, Boulder, CO, USA
Xianliang Zhou
Department of Environmental Health Sciences, State University of New York, Albany, New York 12201, USA
Wadsworth Center, New York State Department of Health, Albany, New
York, USA
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Short summary
Ground-level ozone pollution in the Southeast US involves complex chemistry driven by anthropogenic emissions of nitrogen oxides (NOx) and biogenic emissions of isoprene. We find that US NOx emissions are overestimated nationally by as much as 50 % and that reducing model emissions by this amount results in good agreement with SEAC4RS aircraft measurements in August and September 2013. Observations of nitrate wet deposition fluxes and satellite NO2 columns further support this result.
Ground-level ozone pollution in the Southeast US involves complex chemistry driven by...
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