Geoscientific Model Development
Geoscientific Model Development
GMD
Articles | Volume 11, issue 3
Articles | Volume 11, issue 3
https://doi.org/10.5194/gmd-11-959-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gmd-11-959-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 11, issue 3
Model evaluation paper
 | 
16 Mar 2018
Model evaluation paper |  | 16 Mar 2018

Global high-resolution simulations of tropospheric nitrogen dioxide using CHASER V4.0

Takashi Sekiya, Kazuyuki Miyazaki, Koji Ogochi, Kengo Sudo, and Masayuki Takigawa

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Short summary
We evaluate global tropospheric NO2 simulations using a chemical transport model (CTM) at horizontal resolutions of 0.56, 1.1, and 2.8°. Agreement against satellite retrievals improved greatly at 0.56 and 1.1° resolutions (compared to 2.8°) over polluted and biomass burning regions, especially over areas with strong local sources, such as a megacity. The evaluations demonstrate the potential of using a high-resolution global CTM for studying megacity-scale air pollutants across the entire globe.
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