Geoscientific Model Development
Geoscientific Model Development
GMD
Articles | Volume 10, issue 10
Articles | Volume 10, issue 10
https://doi.org/10.5194/gmd-10-3679-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Special issue:
https://doi.org/10.5194/gmd-10-3679-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 10, issue 10
Development and technical paper
 | 
10 Oct 2017
Development and technical paper |  | 10 Oct 2017

GPU-accelerated atmospheric chemical kinetics in the ECHAM/MESSy (EMAC) Earth system model (version 2.52)

Michail Alvanos and Theodoros Christoudias

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Latest update: 01 Nov 2025
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Short summary
We present an application of GPU accelerators in Earth system modeling. We developed software that generates CUDA kernels for numerical integration in the global climate model EMAC, used to study climate change and air quality. We focus on atmospheric chemical kinetics, the most computationally intensive task in climate–chemistry simulations. This approach can serve as the basis for hardware acceleration of numerous geoscientific models that rely on KPP for chemical kinetics applications.
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The Modular Earth Submodel System (MESSy) (ACP/GMD inter-journal...