Journal cover Journal topic
Geoscientific Model Development An interactive open-access journal of the European Geosciences Union
© Author(s) 2014. This work is distributed under
the Creative Commons Attribution 3.0 License.
Development and technical paper
17 Jul 2014
Review status
This discussion paper is a preprint. It has been under review for the journal Geoscientific Model Development (GMD). The revised manuscript was not accepted.
Enhancing reproducibility of numerical simulation result on the C-Coupler platform
L. Liu1, R. Li2, C. Zhang2, G. Yang1,2, and B. Wang1,3 1Ministry of Education Key Laboratory for Earth System Modelling, Center for Earth System Science (CESS), Tsinghua University, Beijing, China
2Department of Computer Science and Technology, Tsinghua University, Beijing, China
3State Key Laboratory of Numerical Modelling for Atmospheric Sciences and Geophysical Fluid Dynamics (LASG), Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, China
Abstract. Reliable numerical simulation plays a critical role in climate change study. The reliability includes the technical reproducibility, i.e. bit-identical results of numerical simulation can be reproduced. It is very important for model development and scientific researches but has not been satisfactorily addressed yet so far. To address the technical reproducibility, necessary information about it is firstly analyzed, and how to enhance it on the Community Coupler (C-Coupler) platform, a uniform runtime environment that can operate various kinds of model simulations in the same manner, is then detailed. Moreover, we share a series of experiences and suggestions with scientists and model groups for achieving the technical reproducibility. We believe that, the proposed implementations, experiences and suggestions can be easily extended to other model platforms, and can prospectively advance model development and scientific researches in future.

Citation: Liu, L., Li, R., Zhang, C., Yang, G., and Wang, B.: Enhancing reproducibility of numerical simulation result on the C-Coupler platform, Geosci. Model Dev. Discuss.,, 2014.
L. Liu et al.
L. Liu et al.


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