| 0808号台风"凤凰"登陆过程的三维变分同化试验 |
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| 引用本文： | 赖珍权,沈桐立,丁治英.0808号台风"凤凰"登陆过程的三维变分同化试验[J].海洋预报,2011,28(1):39-47. |
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| 作者姓名： | 赖珍权 沈桐立 丁治英 |
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| 作者单位： | 南京信息工程大学,气象灾害省部共建教育部重点实验室,江苏,南京,210044 |
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| 摘 要： | 主要对0808号台风"凤凰"的登陆过程进行模拟试验.首先,利用GPS掩星资料反演的大气气压、温度和水汽资料以及云导风资料,对台风"凤凰"进行了三维变分同化及数值模拟试验.结果表明:同化不同资料,得到的台风初始场各不相同,对台风预报的影响也各不相同.同时同化GPS资料和云导风资料,对台风初始场的调整最大,对模拟台风登陆前...
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| 关 键 词： | GPS掩星资料 云导风 三维变分同化 台风模拟 物理量 |
3D-Var assimilation experiment on landfall of typhoon Fung-wong (0808) |
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| LAI Zhenquan,SHEN Tongli,DINGZhiying.3D-Var assimilation experiment on landfall of typhoon Fung-wong (0808)[J].Marine Forecasts,2011,28(1):39-47. |
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| Authors: | LAI Zhenquan SHEN Tongli DINGZhiying |
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| Institution: | LAI Zhenquan,SHEN Tongli,DINGZhiying(Key Laboratory of Meteorological Disaster of Ministry of Education,Nanjing University of Information Science & Technology,Nanjing 210044 China) |
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| Abstract: | A numerical experiment is conducted on the landfall of typhoon Fung-wong(0808) mainly in this pa-per.First,GPS occultation refractivity data and cloud drift winds were used to initialize typhoon in WRF-Var sys-tem.The result of numerical simulation of Fung-wong shows that the initial structure and forecast of typhoon dif-fer with the different assimilated data.GPS occultation refractivity data and cloud drift winds assimilation,the ad-justment of which to the typhoon initial field is the biggest,can help pr... |
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| Keywords: | GPS occultation refractivity data cloud drift winds three-dimensional assimilation typhoon simulation variables |
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