| A NUMERICAL STUDY ON THE FORMATION AND DEVELOPMENT OF ISLAND-INDUCED CYCLONE AND ITS IMPACT ON TYPHOON STRUCTURE CHANGE AND MOTION |
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| 作者姓名： | Meng Zhiyong Nagata Masashi Chen Lianshou |
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| 作者单位： | Chinese Academy of Meteorological Sciences Beijing 100081，Numerical Prediction Division，Japan Meteorological Agency.Tokyo，100.Japan，Chinese Academy of Meteorological Sciences，Beijing 100081 |
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| 摘 要： | In this paper,the impact of the Taiwan Island topography on the structure change and motion ofTyphoon Dot(9017)during its crossing the Taiwan Island is studied with a modified version of aJMA operational regional model(Japan spectral model,JSM).A series of sensitivity experiments areconducted to detect the forming and developing mechanism of an island-induced cyclone.Results showthat lee side low pressure center plays a very important role in the formation of the induced-cyclonewhile a typhoon is approaching a large island with high mountains.The position and intensity of theinduced cyclone is sensitive to the height and location of island mountain,intensity of TC and under-lying surface topography distribution as well.A preliminary formation criterion of the island-inducedcyclone is obtained.
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| 收稿时间： | 1995/12/11 0:00:00 |
| 修稿时间： | 3/5/1996 12:00:00 AM |
A NUMERICAL STUDY ON THE FORMATION AND DEVELOPMENT OF ISLAND-INDUCED CYCLONE AND ITS IMPACT ON TYPHOON STRUCTURE CHANGE AND MOTION |
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| Meng Zhiyong,Nagata Masashi,Chen Lianshou.A NUMERICAL STUDY ON THE FORMATION AND DEVELOPMENT OF ISLAND-INDUCED CYCLONE AND ITS IMPACT ON TYPHOON STRUCTURE CHANGE AND MOTION[J].Acta Meteorologica Sinica,1996,10(4):430-443. |
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| Authors: | Meng Zhiyong Nagata Masashi and Chen Lianshou |
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| Institution: | Meng Zhiyong Chinese Academy of Meteorological Sciences,Beijing 100081
Nagata Masashi Numerical Prediction Division,Japan Meteorological Agency.Tokyo,100,Japan
Chen Lianshou Chinese Academy of Meteorological Sciences,Beijing 100081 |
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| Abstract: | In this paper,the impact of the Taiwan Island topography on the structure change and motion of Typhoon Dot(9017)during its crossing the Taiwan Island is studied with a modified version of a JMA operational regional model(Japan spectral model,JSM).A series of sensitivity experiments are conducted to detect the forming and developing mechanism of an island-induced cyclone.Results show that lee side low pressure center plays a very important role in the formation of the induced-cyclone while a typhoon is approaching a large island with high mountains.The position and intensity of the induced cyclone is sensitive to the height and location of island mountain,intensity of TC and under- lying surface topography distribution as well.A preliminary formation criterion of the island-induced cyclone is obtained. |
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| Keywords: | lee side low pressure center induced cyclone formation development Taiwan Island typhoon |
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