Articles | Volume 11, issue 7
https://doi.org/10.5194/gmd-11-2941-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gmd-11-2941-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Model description paper
| 
24 Jul 2018
Model description paper |
| 24 Jul 2018
| 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
Laboratory for Aviation and the Environment, Massachusetts Institute
of Technology, Cambridge, Massachusetts, USA
John A. Paulson School of Engineering and Applied Sciences, Harvard
University, Cambridge, Massachusetts, USA
Michael S. Long
John A. Paulson School of Engineering and Applied Sciences, Harvard
University, Cambridge, Massachusetts, USA
Christoph A. Keller
NASA Global Modeling and Assimilation Office, Greenbelt, Maryland, USA
Universities Space Research Association, Columbia, Maryland, USA
Elizabeth Lundgren
John A. Paulson School of Engineering and Applied Sciences, Harvard
University, Cambridge, Massachusetts, USA
Robert M. Yantosca
John A. Paulson School of Engineering and Applied Sciences, Harvard
University, Cambridge, Massachusetts, USA
Jiawei Zhuang
John A. Paulson School of Engineering and Applied Sciences, Harvard
University, Cambridge, Massachusetts, USA
Chi Li
Department of Physics and Atmospheric Science, Dalhousie University, Halifax, Nova Scotia, Canada
Colin J. Lee
Department of Physics and Atmospheric Science, Dalhousie University, Halifax, Nova Scotia, Canada
Matthew Yannetti
John A. Paulson School of Engineering and Applied Sciences, Harvard
University, Cambridge, Massachusetts, USA
Benjamin M. Auer
NASA Global Modeling and Assimilation Office, Greenbelt, Maryland, USA
Science Systems and Applications, Inc., Lanham, Maryland, USA
Thomas L. Clune
NASA Global Modeling and Assimilation Office, Greenbelt, Maryland, USA
Jules Kouatchou
NASA Global Modeling and Assimilation Office, Greenbelt, Maryland, USA
Science Systems and Applications, Inc., Lanham, Maryland, USA
William M. Putman
NASA Global Modeling and Assimilation Office, Greenbelt, Maryland, USA
Matthew A. Thompson
NASA Global Modeling and Assimilation Office, Greenbelt, Maryland, USA
Science Systems and Applications, Inc., Lanham, Maryland, USA
Atanas L. Trayanov
NASA Global Modeling and Assimilation Office, Greenbelt, Maryland, USA
Science Systems and Applications, Inc., Lanham, Maryland, USA
Andrea M. Molod
NASA Global Modeling and Assimilation Office, Greenbelt, Maryland, USA
Randall V. Martin
Department of Physics and Atmospheric Science, Dalhousie University, Halifax, Nova Scotia, Canada
Smithsonian Astrophysical Observatory, Harvard-Smithsonian Center for
Astrophysics, Cambridge, Massachusetts, USA
Daniel J. Jacob
John A. Paulson School of Engineering and Applied Sciences, Harvard
University, Cambridge, Massachusetts, USA
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Latest update: 15 Nov 2025
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.
Global atmospheric chemical transport models are crucial tools in atmospheric science, used to...
