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学科主题: Oceanography
题名: Comparison between MM5 simulations and satellite measurements during Typhoon Chanchu (2006) in the South China Sea
作者: Yang, L ; Wang, DX ; Peng, SQ
通讯作者: dxwang@scsio.ac.cn
关键词: mesoscale model 5 ; TRMM ; QuikSCAT ; precipitation ; wind speed
刊名: ACTA OCEANOLOGICA SINICA
发表日期: 2012
卷: 31, 期:2, 页:33-44
部门归属: [Yang Lei; Wang Dongxiao; Peng Shiqiu] Chinese Acad Sci, State Key Lab Trop Oceanog LTO, S China Sea Inst Oceanol, Guangzhou 510301, Guangdong, Peoples R China
项目归属: LTO
摘要: The fifth Pennsylvania State University and National Center for Atmospheric Research mesoscale model (MM5) is utilized to study the precipitation and wind speed during Typhoon Chanchu (2006). Five model experiments with different physical parameterizations and sea surface temperature (SST) distributions are carried out. It is found that the control experiment configured with the Blakadar boundary scheme, Resiner2 moisture, the Betts-Miller cumulus scheme and daily updated SST has the most reasonable precipitation. The MRF boundary scheme tends to simulate a dryer boundary layer and stronger vertical mixing, winch can greatly reduce the intensity of tropical cyclone (TC), resulting in a smaller maximum wind speed but; larger range of medium wind speed (25-30 m/s). Constant; SST through the TC cycle provides more energy from ocean surface, which could cause a significant increase in TC's intensity, thus resulting in the largest overestimation on rainfall and maximum wind speed. Longitudinally-uniform SST distribution before the rapid intensification could reduce TC's intensity and heat fluxes, which can partially compensate for the overestimation of precipitation in the control experiment.
语种: 英语
WOS记录号: WOS:000302756000005
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/10197
Appears in Collections:热带海洋环境国家重点实验室(LTO)_期刊论文

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Recommended Citation:
Yang, L; Wang, DX; Peng, SQ.Comparison between MM5 simulations and satellite measurements during Typhoon Chanchu (2006) in the South China Sea,ACTA OCEANOLOGICA SINICA,2012,31(2):33-44
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