Articles | Volume 20, issue 6
Atmos. Chem. Phys., 20, 3739–3776, 2020
https://doi.org/10.5194/acp-20-3739-2020
Atmos. Chem. Phys., 20, 3739–3776, 2020
https://doi.org/10.5194/acp-20-3739-2020

Research article 30 Mar 2020

Research article | 30 Mar 2020

Comprehensive isoprene and terpene gas-phase chemistry improves simulated surface ozone in the southeastern US

Rebecca H. Schwantes et al.

Data sets

CESM/CAM-chem Data for Evaluation of MOZART-TS2 R. H. Schwantes and L. K. Emmons https://doi.org/10.5065/70zg-0t17

Gas-phase Chemistry, CAM-chem Wiki R. H. Schwantes https://wiki.ucar.edu/display/camchem/Gas-Phase+Chemistry

Model code and software

Downloading CESM2 NCAR https://escomp.github.io/CESM/release-cesm2/downloading_cesm.html

Getting BOXMOX, Box Modeling C. Knote and J. Barre https://boxmodeling.meteo.physik.uni-muenchen.de/downloads/boxmox.html

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Short summary
Ozone is a greenhouse gas and air pollutant that is harmful to human health and plants. During the summer in the southeastern US, many regional and global models are biased high for surface ozone compared to observations. Here adding more complex and updated chemistry for isoprene and terpenes, which are biogenic hydrocarbons emitted from trees and vegetation, into an earth system model greatly reduces the simulated surface ozone bias compared to aircraft and monitoring station data.
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