Reference aquaplanet climate in the Community Atmosphere Model, Version 5

Medeiros, Brian; Williamson, David L.; Olson, Jerry G.

doi:10.1002/2015MS000593

Title: Reference aquaplanet climate in the Community Atmosphere Model, Version 5

Journal Article · Fri Mar 18 04:00:00 UTC 2016 · Journal of Advances in Modeling Earth Systems

DOI: https://doi.org/10.1002/2015MS000593 · OSTI ID:1258034

Medeiros, Brian ^[1]; Williamson, David L. ^[2]; Olson, Jerry G. ^[2]

National Center for Atmospheric Research, Boulder, CO (United States); National Center for Atmospheric Research, Boulder, Colorado, USA
National Center for Atmospheric Research, Boulder, CO (United States)

In this study, fundamental characteristics of the aquaplanet climate simulated by the Community Atmosphere Model, Version 5.3 (CAM5.3) are presented. The assumptions and simplifications of the configuration are described. A 16 year long, perpetual equinox integration with prescribed SST using the model’s standard 18 grid spacing is presented as a reference simulation. Statistical analysis is presented that shows similar aquaplanet configurations can be run for about 2 years to obtain robust climatological structures, including global and zonal means, eddy statistics, and precipitation distributions. Such a simulation can be compared to the reference simulation to discern differences in the climate, including an assessment of confidence in the differences. To aid such comparisons, the reference simulation has been made available via earthsystemgrid.org. Examples are shown comparing the reference simulation with simulations from the CAM5 series that make different microphysical assumptions and use a different dynamical core.

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Research Organization:: University Corporation for Atmospheric Research, Boulder, CO (United States)

Sponsoring Organization:: USDOE Office of Science (SC)

Grant/Contract Number:: FC02-97ER62402

OSTI ID:: 1258034

Journal Information:: Journal of Advances in Modeling Earth Systems, Journal Name: Journal of Advances in Modeling Earth Systems Journal Issue: 1 Vol. 8; ISSN 1942-2466

Publisher:: American Geophysical Union (AGU)Copyright Statement

Country of Publication:: United States

Language:: English

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Control of ITCZ Width by Low-Level Radiative Heating From Upper-Level Clouds in Aquaplanet Simulations Dixit, Vishal; Geoffroy, Olivier; Sherwood, Steven C. Geophysical Research Letters, Vol. 45, Issue 11 https://doi.org/10.1029/2018gl078292	journal	June 2018
A Total Energy Error Analysis of Dynamical Cores and Physics‐Dynamics Coupling in the Community Atmosphere Model (CAM) Lauritzen, Peter H.; Williamson, David L. Journal of Advances in Modeling Earth Systems, Vol. 11, Issue 5 https://doi.org/10.1029/2018ms001549	journal	May 2019
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