| Adjustment time of the first baroclinic Rossby wave in the global oceans |
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| 作者姓名： | FAN Haimei LI Bingrui XU Ren ZHANG Zhenglong LI Yihong |
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| 作者单位： | FAN Haimei 1*，LI Bingrui 2，XU Ren 1，ZHANG Zhenglong 1，LI Yihong 1 1.East China Sea Environment Monitoring Center，State Oceanic Administration，Shanghai 200137，China 2.Physical Oceanography Laboratory，Polar Research Institute of China，Shanghai 200136，China |
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| 摘 要： | 1Introduction Planetary waves involve the main processes bywhich perturbation signal in one part of the ocean istransferred to another part.In the1970s,mostof theprevious theoretical studies focus on the local Ekmanpumping and the nondispersive long baroc…
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| 关 键 词： | 罗斯比波 海洋气候 水深 海洋环流 |
| 收稿时间： | 2005-11-11 |
| 修稿时间： | 2006-06-17 |
Adjustment time of the first baroclinic Rossby wave in the global oceans |
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| FAN Haimei,LI Bingrui,XU Ren,ZHANG Zhenglong,LI Yihong.Adjustment time of the first baroclinic Rossby wave in the global oceans[J].Acta Oceanologica Sinica,2006,25(6):15-21. |
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| Authors: | FAN Haimei LI Bingrui XU Ren ZHANG Zhenglong and LI Yihong |
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| Institution: | 1.East China Sea Environment Monitoring Center, State Oceanic Administration, Shanghai 200137, China2.Physical Oceanography Laboratory, Polar Research Institute of China, Shanghai 200136, China |
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| Abstract: | According to the freely linear Rossby wave theory, global 1°×1° climatology of Rossby deformation radius and phase speed are studied under the flat bottom fluid approximation. Geographical variations in the contours of the phase speed are very similar to those of the Rossby radius of formation, which are mainly affected by stratification, rotation, water depth, topography, etc. The basin-crossing time of the first baroclinic Rossby wave is obtained and analyzed in the global ocean basins. The results are useful to learn the importance of Rossby wave and the adiabatic adjustment of large-scale ocean circulation. |
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| Keywords: | first baroclinic Rossby wave global Rossby adjustment adjustment time |
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