期刊
CLIMATE DYNAMICS
卷 31, 期 4, 页码 389-401出版社
SPRINGER
DOI: 10.1007/s00382-007-0285-2
关键词
East Asian climate; summer monsoon; high-resolution AGCM; AMIP
East Asian summer monsoon climate simulated by a global 20-km mesh atmospheric general circulation model (AGCM) forced by the global sea surface temperature during the period 1979-1998 is investigated. In comparison with a lower resolution (180-km mesh) model experiment, it is revealed that the 20-km mesh AGCM shows the superiority in simulating orographic rainfall not only its location but also its amount. The Baiu frontal structure is also better simulated in the higher resolution model, which leads to stronger Baiu rainfall. The 20-km model also shows more intense extremes in precipitation. Interannual variability of June-August mean precipitation and seasonal march of the monsoon rain band are also investigated.
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