| IMPROVED SCHEME OF AXISYMMETRIC TYPHOON BOGUS MODEL AND ITS IMPACT ON NUMERICAL SIMULATION OF TYPHOON NOCKTEN （NO.0405） |
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| 引用本文： | 袁金南,刘春霞.IMPROVED SCHEME OF AXISYMMETRIC TYPHOON BOGUS MODEL AND ITS IMPACT ON NUMERICAL SIMULATION OF TYPHOON NOCKTEN （NO.0405）[J].热带气象学报(英文版),2007,13(2):181-184. |
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| 作者姓名： | 袁金南 刘春霞 |
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| 作者单位： | YUAN Jin-nan（Guangzhou Institute of Tropical and Marine Meteorology, CMA, Guangzhou 510080 China） ;
LIU Chun-xia（Guangzhou Institute of Tropical and Marine Meteorology, CMA, Guangzhou 510080 China） ; |
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| 基金项目： | Experiments on coupling typhoons, waves and storm surges in the South China Sea and previews of typhoon-inflicted disasters, a project from the research foundation for the science of tropical and marine meteorology |
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| 摘 要： | There is distinct difference in the tangential wind profile between different typhoons in the western North Pacific. At present, only two parameters, maximum wind and radius of maximum wind, are used in NCAR-AFWA bogus for MM5 mesoscale numerical model. As a result, sometimes the outer structure of typhoon cannot be described accurately. The tangential wind profile of NCAR-AFWA bogus is improved by introducing radii of 25.7 m/s and 15.4 m/s, and then the track and intensity of Typhoon Nockten (No.0425) are simulated. The results show that the simulations of track and intensity of typhoon both have been improved by simultaneously introducing the radii in the tangential wind profile of typhoon bogus. At the same time, there is improvement in the gale wind range of the typhoon simulated.
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| 关 键 词： | 风轮廓 热带气象 台风强度 大气状态 |
IMPROVED SCHEME OF AXISYMMETRIC TYPHOON BOGUS MODEL AND ITS IMPACT ON NUMERICAL SIMULATION OF TYPHOON NOCKTEN (NO.0405) |
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| YUAN Jin-nan,LIU Chun-xi.IMPROVED SCHEME OF AXISYMMETRIC TYPHOON BOGUS MODEL AND ITS IMPACT ON NUMERICAL SIMULATION OF TYPHOON NOCKTEN (NO.0405)[J].Journal of Tropical Meteorology,2007,13(2):181-184. |
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| Authors: | YUAN Jin-nan LIU Chun-xi |
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| Institution: | Guangzhou Institute of Tropical and Marine Meteorology, CMA, Guangzhou 510080 China |
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| Abstract: | There is distinct difference in the tangential wind profile between different typhoons in the western North Pacific. At present, only two parameters, maximum wind and radius of maximum wind, are used in NCAR-AFWA bogus for MM5 mesoscale numerical model. As a result, sometimes the outer structure of typhoon cannot be described accurately. The tangential wind profile of NCAR-AFWA bogus is improved by introducing radii of 25.7 m/s and 15.4 m/s, and then the track and intensity of Typhoon Nockten (No.0425) are simulated. The results show that the simulations of track and intensity of typhoon both have been improved by simultaneously introducing the radii in the tangential wind profile of typhoon bogus. At the same time, there is improvement in the gale wind range of the typhoon simulated. |
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| Keywords: | improvement of tangential wind profile MM5 model typhoon Nockten (No 0425) simulations of track and intensity |
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