Physics
Scientific paper
Dec 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005georl..3224806w&link_type=abstract
Geophysical Research Letters, Volume 32, Issue 24, CiteID L24806
Physics
3
Atmospheric Composition And Structure: Cloud/Radiation Interaction, Atmospheric Processes: Clouds And Cloud Feedbacks, Atmospheric Processes: Global Climate Models (1626, 4928)
Scientific paper
The mosaic representation of subgrid cloud-radiation interaction is implemented in the radiation scheme of the NCAR Community Climate Model version 3 (CCM3) to investigate its impacts on global climate simulations. It is found that the CCM3 with the modified radiation scheme enables the use of more realistic cloud amounts as well as cloud water contents while producing net radiative fluxes closer to observations. The improved vertical distribution of cloud water path based on the cloud-resolving model (CRM) simulations increases the radiative heating in the upper troposphere over the tropics, which reduces the long-standing cold bias in the temperature field. Consequently, not only the representation of cloud-radiation interactions is more physically consistent and accurate, but also the climate simulations are significantly affected and improved.
Liang Xin-Zhong
Wu Xiaoqing
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