Geoscientific Model Development
Geoscientific Model Development
GMD
Articles | Volume 10, issue 2
Articles | Volume 10, issue 2
https://doi.org/10.5194/gmd-10-537-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/gmd-10-537-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 10, issue 2
Methods for assessment of models
 | 
03 Feb 2017
Methods for assessment of models |  | 03 Feb 2017

A new and inexpensive non-bit-for-bit solution reproducibility test based on time step convergence (TSC1.0)

Hui Wan, Kai Zhang, Philip J. Rasch, Balwinder Singh, Xingyuan Chen, and Jim Edwards

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Short summary
Solution reproductibility testing is an important task for assuring the software quality of a climate model. A new method is developed using the concept of numerical convergence with respect to temporal resolution. The method is objective, easy to implement, and computationally efficient. This paper describes the new test and demonstrates its utility in the Community Atmosphere Model version 5 (CAM5).
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