| THE APPLICATION OF TIDAL SIGNAL EXCLUSION SCHEME FROM INITIALIZATION IN A GENERAL CIRCULATION MODEL |
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| 作者姓名： | 杨学胜 王军 陈谊 |
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| 作者单位： | Chinese Academy of Meteorological Sciences，Beijing 100081 China，Chinese Academy of Meteorological Sciences，Beijing 100081 China，Chinese Academy of Meteorological Sciences，Beijing 100081 China |
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| 基金项目： | Scientific research project for the 10th five-year economic development period(2001BA607B02)，a project from the Chinese Academy of Meteorological Sciences (7046/2001-9Y-2) |
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| 摘 要： | In this paper, some corrections was made to the assumption that the forcing is quasi-static, which is the basis of the nonlinear diabatic initialization scheme adopted by a global model T106L19. Thus the tidal signal is expressed and excluded from the i…
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| 关 键 词： | 潮汐信号 半日压力变化 非线性透热初始化 数值预报模型 |
THE APPLICATION OF TIDAL SIGNAL EXCLUSION SCHEME FROM INITIALIZATION IN A GENERAL CIRCULATION MODEL |
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| YANG Xue-sheng,WANG Jun and CHEN Yi.THE APPLICATION OF TIDAL SIGNAL EXCLUSION SCHEME FROM INITIALIZATION IN A GENERAL CIRCULATION MODEL[J].Journal of Tropical Meteorology,2004,10(2):210-215. |
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| Authors: | YANG Xue-sheng WANG Jun and CHEN Yi |
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| Institution: | Chinese Academy of Meteorological Sciences, Beijing 100081 China |
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| Abstract: | In this paper, some corrections was made to the assumption that the forcing is quasi-static, which is the basis of the nonlinear diabatic initialization scheme adopted by a global model T106L19. Thus the tidal signal is expressed and excluded from the initialization scheme. It shows that the new scheme captures the semi-diurnal pressure variation and is much closer to the uninitialized field. Compared with the standard initialization scheme, both the anomaly correlation coefficients and RMS of 500 hPa geopotential height simulated under the new scheme have improved significantly. |
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| Keywords: | initialization tidal signals semidiurnal pressure variation |
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