| Thermohaline structure inhomogeneity associated with polynia at the northern margin of Emery Ice-shelf |
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| 作者姓名： | 蒲书箴 葛人峰 董兆乾 于卫东 史久新 项宝强 |
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| 作者单位： | First Institute of Oceanography State Oceanic Administration，First Institute of Oceanography State Oceanic Administration，Polar Research Institute of China，First Institute of Oceanography State Oceanic Administration，College of physical and Environmental Oceanography Ocean University of China，First Institute of Oceanography State Oceanic Administration，Qingdao 266061，China Key laboratory of Marine Science and Numerical Modeling，State Administration，Qingdao 266061，China，Qingdao 266061，China Key laboratory of Marine Science and Numerical Modeling，State Administration，Qingdao 266061，China，Shanghai 200136，China，Qingdao 266061，China Key laboratory of Marine Science and Numerical Modeling，State Administration，Qingdao 266061，China，Qingdao 266001，China，Qingdao 266061，China Key laboratory of Marine Science and Numerical Modeling，State Administration，Qingdao 266061，China |
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| 摘 要： | Based on the hydrographic data in austral summer during the 22nd Antarctic Expedition of China(2005/2006),some features can be found about the northern margin of Emery ice shelf as follows.The heat content in the surface layer(0-50 m) at the eastern end and the western end of the ice-shelf margin is much higher than that at the middle.The upper mixing-layer depth and the seasonal thermocline depth at the middle of the ice-shelf northern margin are much shallower than those at the both ends.However there is much less difference between the middle and the ends in the bottom layer.The remote sensing photos show that the inhomogeneity in the surface-layer water is closely related to the spatial distribution of the floes and polynia in the area.
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Thermohaline structure inhomogeneity associated with polynia at the northern margin of Emery Ice-shelf |
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| Pu Shuzhen,Ge Renfeng,Dong Zhaoqian,Yu Weidong,Shi Jiuxin,Xiang Baoqing.Thermohaline structure inhomogeneity associated with polynia at the northern margin of Emery Ice-shelf[J].Chinese Journal of Polar Science,2007,18(1):18-26. |
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| Authors: | Pu Shuzhen Ge Renfeng Dong Zhaoqian Yu Weidong Shi Jiuxin Xiang Baoqing |
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| Abstract: | Based on the hydrographic data in austral summer during the 22nd Antarctic Expedition of China (2005/2006), some features can be found about the northern margin of Emery ice shelf as follows. The heat content in the surface layer(0-50 m) at the eastern end and the western end of the ice-shelf margin is much higher than that at the middle. The upper mixing-layer depth and the seasonal thermocline depth at the middle of the ice-shelf northern margin are much shallower than those at the both ends. However there is much less difference between the middle and the ends in the bottom layer. The remote sensing photos show that the inhomogeneity in the surface-layer water is closely related to the spatial distribution of the floes and polynia in the area. |
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| Keywords: | Emery Ice-Shelf thermohaline structure floe Inhomogeneity polynia margin northern associated inhomogeneity remote sensing show water related spatial distribution area However difference bottom surface layer upper seasonal thermocline depth ends western middle |
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