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Geoscientific Model Development An interactive open-access journal of the European Geosciences Union
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Preprints
https://doi.org/10.5194/gmd-2020-27
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gmd-2020-27
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Submitted as: model description paper 30 Apr 2020

Submitted as: model description paper | 30 Apr 2020

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This preprint is currently under review for the journal GMD.

The E3SM version 1 Single Column Model

Peter A. Bogenschutz1, Shuaiqi Tang1, Peter M. Caldwell1, Shaocheng Xie1, Wuyin Lin2, and Yao-sheng Chen3,4,5 Peter A. Bogenschutz et al.
  • 1Lawrence Livermore National Laboratory, Livermore, CA, USA
  • 2Brookhaven National Laboratory, Upton, NY, USA
  • 3Cooperative Institute for Research in Environmental Sciences, Boulder, CO, USA
  • 4University of Colorado, Boudler, CO, USA
  • 5Chemical Sciences Division, NOAA Earth System Research Laboratory, Boulder, CO, USA

Abstract. The single column model (SCM) functionality of the Energy Exascale Earth System Model version 1 (E3SMv1) is described in this paper. The E3SM SCM was adopted from the SCM used in the Community Atmosphere Model (CAM), but has evolved significantly since then. We describe changes made to the aerosol specification in the SCM, idealizations, and developments made so that the SCM uses the same dynamical core as the full general circulation model (GCM) component. Based on these changes, we describe and demonstrate the seamless capability to ``replay" a GCM column using the SCM. We give an overview of the E3SM case library and briefly describe which cases may serve as useful proxies for replicating and investigate some long standing biases in the full GCM runs, while demonstrating that the E3SM SCM is an efficient tool for both model development and evaluation.

Peter A. Bogenschutz et al.

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Peter A. Bogenschutz et al.

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Latest update: 01 Jun 2020
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Short summary
This paper documents a tool that has been developed that can be used to accelerate the development and understanding of climate models. This version of the model, known as a the single column model, is much faster to run than the full climate model and we demonstrate that this tool can be used to quickly exploit model biases that arise due to physical processes. We show examples of how this single column model can directly benefit the field.
This paper documents a tool that has been developed that can be used to accelerate the...
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