Articles | Volume 14, issue 9
Geosci. Model Dev., 14, 5789–5823, 2021
https://doi.org/10.5194/gmd-14-5789-2021
Geosci. Model Dev., 14, 5789–5823, 2021
https://doi.org/10.5194/gmd-14-5789-2021

Model description paper 24 Sep 2021

Model description paper | 24 Sep 2021

GCAP 2.0: a global 3-D chemical-transport model framework for past, present, and future climate scenarios

Lee T. Murray et al.

Data sets

GCAP 2.0 input files Lee T. Murray http://atmos.earth.rochester.edu/input/gc/ExtData/

Model code and software

geoschem/GCClassic: GEOS-Chem 13.1.0 The International GEOS-Chem User Community​​​​​​​ https://doi.org/10.5281/zenodo.4984436

MERRA-2 like diagnostics for the GISS ModelE2.1 GCM Lee T. Murray, Eric M. Leibensperger, and Loretta J. Mickley https://doi.org/10.5281/zenodo.4783672

geoschem/HEMCO: HEMCO 3.0.0 The International GEOS-Chem User Community​​​​​​​ https://doi.org/10.5281/zenodo.4984639

geoschem/GCHP: GCHP 13.1.0 Lizzie Lundgren, Liam Bindle, Bob Yantosca, Melissa Sulprizio, William Downs, and Sebastian David Eastham https://doi.org/10.5281/zenodo.4984437

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Short summary
Chemical-transport models are tools used to study air pollution and inform public policy. However, they are limited by the availability of archived meteorology. Here, we describe how the GEOS-Chem chemical-transport model may now be driven by meteorology archived from a state-of-the-art general circulation model for past and future climates, allowing it to be used to explore the impact of climate change on air pollution and atmospheric composition.