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东亚夏季风降水和环流数值模拟对不同对流参数化方案的敏感性 总被引:4,自引:2,他引:4
A 5-level spectral AGCM (ImPKU-5LAGCM) is used to examine the sensitivity of the simulated results of the summer monsoon rainfall and circulation in East Asia to different cumulus parameterization schemes in the climatological-mean case and in the cases of weak and strong Asian summer monsoons,respectively. The results simulated with the Arakawa-Schubert's(hereafter A-S's), Kuo's and Manabe's cumulus parameterization schemes show that these simulated distributions of the summer monsoon rainfall and circulation in East Asia depend strongly on the cumulus parameterization schemes either in the climatological-mean case or in the cases of weak and strong Asian summer monsoons. From the simulated results, it might be shown that the Kuo scheme appears to be more suitable for the simulation of the summer monsoon rainfall and circulation in East Asia than the A-S scheme or the Manabe scheme, although the A-S scheme is somewhat better in the simulations of the tropical rainfall. This might be due to that the Kuo's cumulus parameterization scheme is able to reflect well the characteristics of rainfall cloud system in the East Asian summer monsoon region, where the rainfall system used to be a mixing of cumulus and stratus. 相似文献
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引言在前二篇文章中,我们已讨论了垂直和水平旋转椭球体的自然电场和其解释方法。本文将讨论更一般的情形,即当矿体和地面成一任何角度。绕倾斜方向旋转的延伸椭球体的自然电场及其解释 相似文献
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We present a study of a fossil cluster,SDSS J0150–1005(z 0.364),with high spatial resolution based on the imaging spectroscopic analysis of Chandra observations.The Chandra X-ray image shows a relaxed and symmetric morphology,which indicates that SDSS J0150–1005 is a well-developed galaxy cluster with no sign of a recent merger.According to the isothermal model,its global gas temperature is 5.73±0.80 keV,and the virial mass is 6.23±1.34×1014M⊙.Compared with the polytropic temperature model,the mass calculated based on the isothermal model is overestimated by 49%±11.The central gas entropy,S0.1 r200=143.9±18.3 keV cm2,is significantly lower than the average value of normal galaxy clusters with similar temperatures.Our results indicate that SDSS J0150–1005 formed during an early epoch. 相似文献
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引言在前二篇文章中,我们已讨论了垂直和水平旋转椭球体的自然电场和其解释方法。本文将讨论更一般的情形,即当矿体和地面成一任何角度。绕倾斜方向旋转的延伸椭球体的自然电场及其解释 相似文献
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