Articles | Volume 11, issue 7
Geosci. Model Dev., 11, 2941–2953, 2018
https://doi.org/10.5194/gmd-11-2941-2018
Geosci. Model Dev., 11, 2941–2953, 2018
https://doi.org/10.5194/gmd-11-2941-2018

Model description paper 24 Jul 2018

Model description paper | 24 Jul 2018

GEOS-Chem High Performance (GCHP v11-02c): a next-generation implementation of the GEOS-Chem chemical transport model for massively parallel applications

Sebastian D. Eastham et al.

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Short summary
Global atmospheric chemical transport models are crucial tools in atmospheric science, used to address problems ranging from climate change to acid rain. GEOS-Chem High Performance (GCHP) is a new implementation of the widely used GEOS-Chem model, designed for massively parallel architectures. GCHP v11-02c is shown to be highly scalable from 6 to over 500 cores, enabling the routine simulation of global atmospheric chemistry from the surface to the stratopause at resolutions of ~50 km or finer.