Physics
Scientific paper
Mar 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006georl..3306707l&link_type=abstract
Geophysical Research Letters, Volume 33, Issue 6, CiteID L06707
Physics
9
Global Change: Climate Dynamics (0429, 3309), Atmospheric Processes: Convective Processes, Atmospheric Processes: General Circulation (1223), Atmospheric Processes: Global Climate Models (1626, 4928), Atmospheric Processes: Ocean/Atmosphere Interactions (0312, 4504)
Scientific paper
Both the Colorado State University (CSU) and Goddard superparameterization GCM (SP-GCM) simulate a superactive Asian summer monsoon with unrealistically enhanced levels of precipitation. The underlying physical mechanism for this monsoon bias in the CSU SP-GCM is shown to involve an enhanced convection-wind-evaporation feedback. The feedback process is studied using two experiments with different fixed specifications of surface evaporation. A regional analysis of an area that exhibits excessive precipitation offers a glimpse of the transient nature of the feedback. Finally, we discuss the broader relevance of the feedback study to climate modeling.
Luo Zhengzhao
Stephens Graeme L.
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