Physics
Scientific paper
Dec 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009jastp..71.1924h&link_type=abstract
Journal of Atmospheric and Solar-Terrestrial Physics, Volume 71, Issue 17-18, p. 1924-1934.
Physics
Atmospheric Modeling, Precipitation Physics, Cloud-Radiation Interaction, Seasonal Prediction
Scientific paper
The purpose of this study is to investigate the effects of precipitation physics in a general circulation model (GCM) on a simulated climate. Experiments are performed under the single column model (SCM) framework to examine basic features and under the general circulation model framework to investigate the impact on seasonal simulation. The SCM simulation shows that convection processes in the model have a considerable influence on the change in vertical thermodynamic structure, resulting in a change in precipitation, whereas in the GCM framework stratiform precipitation physics play a distinct role in changing the atmospheric structure. The GCM experiments also show that the overall reduction of precipitation in simulations with prognostic stratiform precipitation physics is highly related to changes in cloudiness and corresponding changes in radiative flux, which in turn leads to the reduction of convective activities.
Byun Young-Hwa
Ham Suryun
Hong Song-You
Kim Jhoon
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