| 台湾岛地形对台风暴雨影响的数值研究 |
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| 引用本文： | 王鹏云.台湾岛地形对台风暴雨影响的数值研究[J].气候与环境研究,1998,3(3):235-246. |
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| 作者姓名： | 王鹏云 |
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| 作者单位： | {{each article.affiliations aff i}}
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| 摘 要： | {{@ convertAbstractHtml(article.abstractinfoCn, "cn")}}
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| 关 键 词： | 非静力平衡中尺度模式 台风 暴雨 地形影响 |
A Numerical Study on the Effects of Orography of Taiwan Island on Typhoon Induced Heavy Rainfall |
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| Wang Pengyun.A Numerical Study on the Effects of Orography of Taiwan Island on Typhoon Induced Heavy Rainfall[J].Climatic and Environmental Research,1998,3(3):235-246. |
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| Authors: | Wang Pengyun |
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| Abstract: | The landfall process of typhoon HERB-1996 at Taiwan and Fujian from 08:00 31 July to 20:00 1 August 1996 (Beijing Local Time) was simulated by using the non-hydrostatic mesoscale model MM5 with 10 km horizontal space resolution The study was focused on the effects of terrain of Taiwan Island on the typhoon induced heavy rainfall on Taiwan It is also a test of the ability of MM5 to simulate and forecast a landfall typhoon Results show that the landfall process of typhoon HERB was successfully simulated The simulated typhoon track was very close to the observation, especially the simulated location of the typhoon at 08:00 1 August 1996 (model integration 24 hours) was exactly same as observation, from where the typhoon was landed at Fuqin, Fujian province two hours later Some important dynamic and microphysical features, such as unsymmetrical dynamic structure and screwtyped rainband consisting of meso-beta-scale rain cores around typhoon center, were also revealed by the simulations During the period of typhoon passing through Taiwan and later landfalling at Fujian, the track of model typhoon deviated about 30 km northward (i e , right-ward) because of the effects of the orography of the Taiwan Island, but the strength of the typhoon was not affected significantly The amount of rainfall maximum on Taiwan in the 36 hours simulations was enhanced more than six times induced by the orographic lifting of Taiwan Mountains |
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| Keywords: | MM5 typhoon heavy rainfall orographic effects |
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