| LI Lei,DU Ling,ZHAO Jinping,ZUO Juncheng,LI Peiliang. 2005. The fundamental characteristics of current in the Bering Strait and the Chukchi Sea from July to September 2003. Acta Oceanologica Sinica, (6):1－11 |
| The fundamental characteristics of current in the Bering Strait and the Chukchi Sea from July to September 2003 |
| The fundamental characteristics of current in the Bering Strait and the Chukchi Sea from July to September 2003 |
| Received:August 05, 2005 Revised:October 17, 2005 |
| DOI： |
| Key words:tidal current mean current semi-monthly oscillation near-inertial current Bering Strait and Chukchi Sea |
| 中文关键词: tidal current mean current semi-monthly oscillation near-inertial current Bering Strait and Chukchi Sea |
| 基金项目: |
| Author Name | Affiliation | E-mail | | LI Lei | College of Physical and Environmental Oceanography, Ocean University of China, Qingdao 266003, China | | | DU Ling | College of Physical and Environmental Oceanography, Ocean University of China, Qingdao 266003, China | duling@mail.ouc.edu.cn | | ZHAO Jinping | College of Physical and Environmental Oceanography, Ocean University of China, Qingdao 266003, China | | | ZUO Juncheng | College of Physical and Environmental Oceanography, Ocean University of China, Qingdao 266003, China | | | LI Peiliang | College of Physical and Environmental Oceanography, Ocean University of China, Qingdao 266003, China | |
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| Abstract: |
| The characteristics of current in the Bering Strait and the Chukchi Sea are analyzed based on the two current data on the mooring stations during the Second National Arctic Research Expedition of China in 2003.The tidal currents of the principal diurnal and semidiurnal ellipses rotate clockwise in the upper layer,except for N2,S2,and Q1 at Sta.ST.In the Bering Strait(Sta.ST),the major semiaxis of tidal current constituent M2 is 2.9 cm/s in the upper layer,which is much smaller than that of semi-monthly oscillation(11.8 cm/s); and the mean current flows northwestward at the amplitude of about 20 cm/s and varies a little with depth.During the cruise,the current has significant semi-monthly oscillation at the two mooring stations.The spectra analyses of the air pressure gradient and the wind stress show that there are the semi-monthly oscillations in these two data series.The near-inertial current,approximately 4 cm/s,presents almost the same magnitude of the principal tidal currents in the Bering Strait. |
| 中文摘要: |
| The characteristics of current in the Bering Strait and the Chukchi Sea are analyzed based on the two current data on the mooring stations during the Second National Arctic Research Expedition of China in 2003.The tidal currents of the principal diurnal and semidiurnal ellipses rotate clockwise in the upper layer,except for N2,S2,and Q1 at Sta.ST.In the Bering Strait(Sta.ST),the major semiaxis of tidal current constituent M2 is 2.9 cm/s in the upper layer,which is much smaller than that of semi-monthly oscillation(11.8 cm/s); and the mean current flows northwestward at the amplitude of about 20 cm/s and varies a little with depth.During the cruise,the current has significant semi-monthly oscillation at the two mooring stations.The spectra analyses of the air pressure gradient and the wind stress show that there are the semi-monthly oscillations in these two data series.The near-inertial current,approximately 4 cm/s,presents almost the same magnitude of the principal tidal currents in the Bering Strait. |
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