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The aqua-planetOpenIFS includes a number of idealised configurations. In this article we explain how to configure the model for an 'aqua-planet' simulation. An aqua-planet is one that includes no topography and no land. It's a highly simplified representation of Earth but useful for a number of studies.
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| The aquaplanet configuration (enabled by namelist variable LAQUA) is based on the Neale & Hoskins publications: - Neale, R. B. and Hoskins B. J., 2000a, A standard test for AGCMs and their physical parameterizations. I: The proposal, Atmos. Sci. Letters, 1, pp. 101-107, DOI: 10.1006/asle.2000.0022
- Neale, R. B. and Hoskins, B. J., 2000b, A standard test for AGCMs and their physical parameterizations. II: Results for The Met. Office Model, Atmos. Sci. Letters, 1, pp. 108-114, DOI: 10.1006/asle.2000.0024
More recent general publications on aqua-planet simulations: - Medeiros, B., et al,2008, Aquaplanets, climate sensitivity, and low clouds. Journal of Climate, doi: 10.1175/2008JCLI1995.1
- Blackburn, M., et al., 2013, The Aqua-Planet Experiment (APE): CONTROL SST Simulation. Journal of the Meteorological Society of Japan, 91A. pp. 17-56. ISSN 2186-9057 doi: 10.2151/jmsj.2013-A02
Blackburn, M. and Hoskins, B. J., 2013, Context and aims of the Aqua-Planet Experiment. Journal of the Meteorological Society of Japan, 91A. pp. 1-15. ISSN 2186-9057 doi: 10.2151/jmsj.2013-A01
See also for example, the PCMDI Aqua-Planet website. |
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Please note that the aqua-planet and other idealized configurations are a research tool and therefore may change between model versions. For further assistance with idealised configurations of OpenIFS, please contact: openifs-support@ecmwf.int. |
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Code changes
There is a small error in OpenIFS 38r1 in the code that sets the SST for the 3KW1 case of Neale & Hoskins. This code incorrectly sets the latitudinal width to 30o instead of 60o.
This error is corrected in later versions of OpenIFS.
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