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A moist benchmark calculation for atmospheric general circulation models

Cited 26 time in Web of Science Cited 27 time in Scopus
Authors

Lee, Myong-In; Suarez, Max J.; Kang, In-Sik; Held, Isaac M.; Kim, Daehyun

Issue Date
2008-10
Publisher
American Meteorological Society
Citation
Journal of Climate, Vol.21 No.19, pp.4934-4954
Abstract
A benchmark calculation is designed to compare the climate and climate sensitivity of atmospheric general circulation models (AGCMs). The experimental Setup basically follows that of the aquaplanet experiment (APE) proposed by Neale and Hoskins, but a simple mixed layer ocean is embedded to enable air-sea coupling and the Prediction of surface temperature. In calculations with several AGCMs, this idealization produces very strong zonal-mean flow and exaggerated ITCZ strength. but the model simulations remain sufficiently realistic to justify the use of this frame work in isolating key differences between models. Because Surface temperatures are free to respond to model differences, the simulation of the cloud distribution. especially in the subtropics. affects many other aspects of the simulations. The analysis of the simulated tropical transients highlights the importance of convection inhibition and air-sea coupling as affected by the depth of the mixed layer. These preliminary comparisons demonstrate that this idealized benchmark provides a discriminating framework for understanding the implications of differing physics parameterization in AGCMs.
ISSN
0894-8755
URI
https://hdl.handle.net/10371/201031
DOI
https://doi.org/10.1175/2008JCLI1891.1
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  • College of Natural Sciences
  • Department of Earth and Environmental Sciences
Research Area Climate Change, Earth & Environmental Data, Severe Weather, 기후과학, 위험기상, 지구환경 데이터과학

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