| 涡旋粘性对于夏季副热带准定常行星尺度环流的影响 |
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| 引用本文： | 黄荣辉. 1988: 涡旋粘性对于夏季副热带准定常行星尺度环流的影响. 气象学报, (1): 9-19. DOI: 10.11676/qxxb1988.002 |
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| 作者姓名： | 黄荣辉 |
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| 作者单位： | 1.中国科学院大气物理研究所 |
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| 摘 要： | 本文从理论上分析了涡旋粘性对于夏季副热带准定常行星波分布的影响,指出夏季副热带地区由于纬向气流很弱,涡旋粘性对于准定常行星尺度运动起着重要作用。本文还利用一个线性34层准地转球坐标模式计算了不同涡旋热力扩散系数下地形与热源强迫所产生准定常行星波的差别及准定常扰动环流系统的差别,计算结果说明了涡旋粘性系数对于副热带准定常行星尺度环流的强度有很大影响。
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| 收稿时间： | 1986-01-02 |
| 修稿时间： | 1986-05-27 |
THE INFLUENCE OF EDDY VISCOSITY ON THE SUBTROPICAL PLANETARY-SCALE CIRCULATION IN SUMMER |
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| Huang Ronghui. 1988: THE INFLUENCE OF EDDY VISCOSITY ON THE SUBTROPICAL PLANETARY-SCALE CIRCULATION IN SUMMER. Acta Meteorologica Sinica, (1): 9-19. DOI: 10.11676/qxxb1988.002 |
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| Authors: | Huang Ronghui |
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| Affiliation: | 1.Institute of Atmospheric Physics, Academia Sinica |
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| Abstract: | The influence of eddy viscosity on the distribution of quasi-stationary planetary waves in the subtropics in summer is analysed theoretically. It is found that since the basic flow is very weak, the eddy viscosity may play an important role for planetary-scale motion in the subtropics in summer.A linear, quasi-geostrophic, 34-level spherical coordinate model is also utilized to calculate the difference of quasi-stationary planetary waves and quasi-stationary disturbance pattern in response to forcing by topography and heat sources under the different eddy viscosity. The computed results show that the eddy viscosity coeffiecient largely influence on the strength of planetary-scale circulation in the subtropics in summer. |
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