Journal cover Journal topic
Geoscientific Model Development An interactive open-access journal of the European Geosciences Union
https://doi.org/10.5194/gmd-2017-213
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 4.0 License.
Model experiment description paper
19 Sep 2017
Review status
This discussion paper is a preprint. It is a manuscript under review for the journal Geoscientific Model Development (GMD).
Radiative-Convective Equilibrium Model Intercomparison Project
Allison A. Wing1, Kevin A. Reed2, Masaki Satoh3, Bjorn Stevens5, Sandrine Bony4, and Tomoki Ohno3 1Florida State University, Tallahassee, FL USA
2Stony Brook University, Stony Brook, NY USA
3Atmosphere and Ocean Research Institute, University of Tokyo, Kashiwa, Japan
4Laboratoire de Météorologie Dynamique, IPSL, CNRS, Paris, France
5Max Planck Institute for Meteorology, Hamburg, Germany
Abstract. RCEMIP, an intercomparison of multiple types of models configured in radiative-convective equilibrium (RCE), is proposed. RCE is an idealization of the climate system in which there is a balance between radiative cooling of the atmosphere and heating by convection. The scientific objectives of RCEMIP are three-fold. First, clouds and climate sensitivity will be investigated in the RCE setting. This includes determining how cloud fraction changes with warming and the role of self-aggregation of convection. Second, RCEMIP will quantify the dependence of the degree of convective aggregation and tropical circulation regimes on temperature. Finally, by providing a common baseline, RCEMIP will allow the robustness of the RCE state, cloud feedbacks, and convective aggregation across the spectrum of models to be assessed. A novel aspect and major advantage of RCEMIP is the accessibility of the RCE framework to a variety of models, including cloud-resolving models, general circulation models, global cloud-resolving models, and single column models.

Citation: Wing, A. A., Reed, K. A., Satoh, M., Stevens, B., Bony, S., and Ohno, T.: Radiative-Convective Equilibrium Model Intercomparison Project, Geosci. Model Dev. Discuss., https://doi.org/10.5194/gmd-2017-213, in review, 2017.
Allison A. Wing et al.
Allison A. Wing et al.
Allison A. Wing et al.

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Short summary
RCEMIP, an intercomparison of multiple types of numerical models, is proposed. In RCEMIP, the climate system is modeled in an idealized manner with no spatial dependence of boundary conditions (i.e., sea surface temperature) or forcing (i.e., incoming sunlight). This set of simulations will be used to investigate how the amount of cloudiness changes with warming, how the clustering of clouds changes with warming, and how the state of the atmosphere in this idealized setup varies between models.
RCEMIP, an intercomparison of multiple types of numerical models, is proposed. In RCEMIP, the...
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