| PU Shuzhen,HU Xiaomin,DONG Zhaoqian,XIANG Baoqiang,YU Weidong. 2006. Features of physical oceanography in the oceans near the Prydz Bay during the 1998/1999 austral summer. Acta Oceanologica Sinica, (6):1－14 |
| Features of physical oceanography in the oceans near the Prydz Bay during the 1998/1999 austral summer |
| Features of physical oceanography in the oceans near the Prydz Bay during the 1998/1999 austral summer |
| Received:October 17, 2005 Revised:May 05, 2006 |
| DOI： |
| Key words:circulation front Prydz Bay Southern Ocean water masses |
| 中文关键词: circulation front Prydz Bay Southern Ocean water masses |
| 基金项目: |
| Author Name | Affiliation | E-mail | | PU Shuzhen | First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China | szpu@public.qd.sd.cn | | HU Xiaomin | First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China | | | DONG Zhaoqian | Polar Research Institute of China, State Oceanic Administration, Shanghai 200136, China | | | XIANG Baoqiang | First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China | | | YU Weidong | First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China | |
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| Abstract: |
| Thermohaline features, spatial extensions, and depths of the antarctic circumpolar deep water, the antarctic bottom water, and the upper layer water near the Prydz Bay (including the Prydz Bay summer surface water, the antarctic winter water, and the Prydz Bay shelf water) are analyzed and studied by use of the full depth CTD data obtained in the Southern Ocean near the Prydz Bay during the 1998/1999 austral summer.The northward extension of the shelf water, the thickness of the temperature inversion layer, the minima in the vertical temperature profile and the vertical temperature gradient are interpreted.On the basis of analysis of gravitational potential field, the geostrophic current and the geostrophic volume transport are calculated to determine the location of the strongest current in the zonal circulation near the Prydz Bay and to find the spatial variability of the volume transport in the 64°~66.5°S zone.In addition, the central location, the frontal strength, the vertical depth and thickness of the continental water boundary (CWB) are estimated from the CTD data to expound the spatial variability of CWB in the study area (64°~66.5°S, 70°~75°E). |
| 中文摘要: |
| Thermohaline features, spatial extensions, and depths of the antarctic circumpolar deep water, the antarctic bottom water, and the upper layer water near the Prydz Bay (including the Prydz Bay summer surface water, the antarctic winter water, and the Prydz Bay shelf water) are analyzed and studied by use of the full depth CTD data obtained in the Southern Ocean near the Prydz Bay during the 1998/1999 austral summer.The northward extension of the shelf water, the thickness of the temperature inversion layer, the minima in the vertical temperature profile and the vertical temperature gradient are interpreted.On the basis of analysis of gravitational potential field, the geostrophic current and the geostrophic volume transport are calculated to determine the location of the strongest current in the zonal circulation near the Prydz Bay and to find the spatial variability of the volume transport in the 64°~66.5°S zone.In addition, the central location, the frontal strength, the vertical depth and thickness of the continental water boundary (CWB) are estimated from the CTD data to expound the spatial variability of CWB in the study area (64°~66.5°S, 70°~75°E). |
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