| 纬向风作用下的热带海洋低频扰动 |
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| 引用本文： | 林一骅 曾庆存. 纬向风作用下的热带海洋低频扰动[J]. 中国科学技术大学学报, 1998, 28(6): 685-695 |
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| 作者姓名： | 林一骅 曾庆存 |
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| 作者单位： | 中国科学院大气物理研究所，中国科学技术大学地球与空间科学系 |
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| 摘 要： | 从热带海洋运动的物理特征出发，建立了适合热带地区特点的海洋方程组并对之进行了系统的尺度分析，指出时间尺度不同的运动其受控的物理过程各异．研究结果表明，挟卷对海洋Ｒｏｓｂｙ波的发展起抑制作用，而平流有利于海洋Ｒｏｓｂｙ波的发展；挟卷和平流都有利于与海温距平相对应的扰动Ｕ的发展．
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| 关 键 词： | 热带海洋，纬向风应力，低频扰动，尺度分析 |
Zonal Wind Forced Low Frequency Disturbances in the Tropical Ocean |
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| Lin Yihua Zeng Qingcun Fu Yunfei. Zonal Wind Forced Low Frequency Disturbances in the Tropical Ocean[J]. Journal of University of Science and Technology of China, 1998, 28(6): 685-695 |
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| Authors: | Lin Yihua Zeng Qingcun Fu Yunfei |
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| Abstract: | In this paper, a simple ocean model forced by zonal wind in the tropics is investigated. Scale analysis indicates that the disturbances with different time scales are governed by different mechanism. It is shown that the entrainment is inhibitive of instability of ocean Rossby wave, while the advection process is favorable to the instability. Both processes are helpful with disturbances of U corresponding to ASST. |
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| Keywords: | tropical ocean zonal wind low frequency disturbances scale analysis |
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