| APPLICATION OF THE VARIATIONAL METHOD OF TOVS DATA OVER THE TIBETAN PLATEAU IN IMPROVEMENT OF THE INITIAL FIELD OF NUMERICAL MODELS |
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| 作者姓名： | 翁永辉 徐祥德 柏晶瑜 董超华 |
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| 作者单位： | Chinese Academy of Meteorological Sciences Beijing 100081，Chinese Academy of Meteorological Sciences，Beijing 100081，Chinese Academy of Meteorological Sciences，Beijing 100081，National Satellite Meteorological Center，Beijing 100081 |
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| 基金项目： | Supported by the National Key Project B-“Observation and Theoretical Study of the Physical Process of the Tibetan Plateau Land-Air Interaction，Its Impact on the Global Climate and Severe Weather in China.” |
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| 摘 要： | In this paper,TOVS satellite data are used through variational method on the data-sparseplateau area.Diagnoses are carried out to find a way to solve the large error problem of modelinitial field.It is put forward that TOVS retrieval data can be used to improve the initial field ofnumerical prediction model on Tibetan Plateau area.Through variational method,TOVS data areprocessed and the liability of the initial information on the plateau is improved.Diagnostic resultsconfirm further that the application of TOVS retrieval data can improve our capability to describethe dynamic system features on the plateau and the objectivity of related initial information such asthe distribution of water vapor channel and stratification stability.
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APPLICATION OF THE VARIATIONAL METHOD OF TOVS DATA OVER THE TIBETAN PLATEAU IN IMPROVEMENT OF THE INITIAL FIELD OF NUMERICAL MODELS |
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| WENG Yonghui XU Xiangde BAI Jingyu Chinese Academy of Meteorological Sciences,Beijing DONG Chaohua National Satellite Meteorological Center,Beijing.APPLICATION OF THE VARIATIONAL METHOD OF TOVS DATA OVER THE TIBETAN PLATEAU IN IMPROVEMENT OF THE INITIAL FIELD OF NUMERICAL MODELS[J].Acta Meteorologica Sinica,2001(3). |
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| Authors: | WENG Yonghui XU Xiangde BAI Jingyu Chinese Academy of Meteorological Sciences Beijing DONG Chaohua National Satellite Meteorological Center Beijing |
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| Institution: | WENG Yonghui XU Xiangde BAI Jingyu Chinese Academy of Meteorological Sciences,Beijing 100081DONG Chaohua National Satellite Meteorological Center,Beijing 100081 |
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| Abstract: | In this paper,TOVS satellite data are used through variational method on the data-sparse plateau area.Diagnoses are carried out to find a way to solve the large error problem of model initial field.It is put forward that TOVS retrieval data can be used to improve the initial field of numerical prediction model on Tibetan Plateau area.Through variational method,TOVS data are processed and the liability of the initial information on the plateau is improved.Diagnostic results confirm further that the application of TOVS retrieval data can improve our capability to describe the dynamic system features on the plateau and the objectivity of related initial information such as the distribution of water vapor channel and stratification stability. |
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| Keywords: | TOVS retrieval data variational method Tibetan Plateau |
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