| Origins and pathways of the subsurface and intermediate water masses of the Indonesian Throughflow derived from historical and Argo data |
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| 作者姓名： | ZHANG Yanhui YU Xiaolin WANG Fan |
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| 作者单位： | Key Laboratory of Ocean Circulation and Waves, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China;Graduate School of Chinese Academy of Sciences, Beijing 100049, China;Key Laboratory of Ocean Circulation and Waves, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China;Graduate School of Chinese Academy of Sciences, Beijing 100049, China;Key Laboratory of Ocean Circulation and Waves, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China |
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| 基金项目： | 国家重点基础研究发展计划(973计划)，国家自然科学基金 |
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| 摘 要： | On the basis of Argo data and historic temperature/salinity data from the World Ocean Database 2001 （ WOD01 ）, origins and spreading pathways of the subsurface and intermediate water masses in the Indonesian Throughflow （ITF） region were discussed by analyzing distributions of salinity on representative isopyenal layers. Results were shown that, subsurface water mostly comes from the North Pacific Ocean while the intermediate water originates from both the North and South Pacific Ocean, even possibly from the Indian Ocean. Spreading through the Sulawesi Sea, the Makassar Strait, and file Flores Sea, the North Pacific subsurface water and the North Pacific Intermediate water dominate the western part of the Indonesian Archipelago. Furthermore as the depth increases, the features of the North Pacific sourced water masses become more obvious. In the eastern part of the waters, high sa- linity South Pacific subsurface water is blocked by a strong salinity front between Halmahera and New Guinea. Intermediate water in the eastern interior region owns salinity higher than the North Pacific intermediate water and the antarctic intermediate water （ AAIW）, possibly coming from the vertical mixing between subsurface water and the AAIW from the Pacific Ocean, and possibly coming from the northward extending of the AAIW from the Indian Ocean as well.
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| 关 键 词： | 印度尼西亚 通流 地下水 中间水 路径 |
| 收稿时间： | 2007/8/13 0:00:00 |
| 修稿时间： | 3/6/2008 12:00:00 AM |
Origins and pathways of the subsurface and intermediate water masses of the Indonesian Throughflow derived from historical and Argo data |
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| ZHANG Yanhui,YU Xiaolin,WANG Fan.Origins and pathways of the subsurface and intermediate water masses of the Indonesian Throughflow derived from historical and Argo data[J].Acta Oceanologica Sinica,2008,27(4):17-25. |
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| Authors: | ZHANG Yanhui YU Xiaolin and WANG Fan |
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| Institution: | 1.Key Laboratory of Ocean Circulation and Waves, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China;Graduate School of Chinese Academy of Sciences, Beijing 100049, China2.Key Laboratory of Ocean Circulation and Waves, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China |
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| Abstract: | On the basis of Argo data and historic temperature/salinity data from the World Ocean Database 2001(WOD01),origins and spreading pathways of the subsurface and intermediate water masses in the Indonesian Throughflow (ITF) region were discussed by analyzing distributions of salinity on representative isepycnal layers.Results were shown that,subsurface water mostly comes from the North Pacific Ocean while the intermediate water originates from both the North and South Pacific Ocean,even possibly from the Indian Ocean.Spreading through the Sulawesi Sea,the Makassar Strait,and the Flores Sea,the North Pacific subsurface water and the North Pacific Intermediate water dominate the western part of the Indonesian Archipelago.Furthermore as the depth increases,the features of the North Pacific sourced water masses become more obvious.In the eastern part of the waters,high sa-1inity South Pacific subsurface water is blocked by a strong salinity front between Halmahera and New Guinea.Intermediate water in the eastern interior region owns salinity higher than the North Pacific intermediate water and the antarctic intermediate water (AAIW),possibly coming from the vertical mixing between subsurface water and the AAIW from the Pacific Ocean,and possibly coming from the northward extending of the AAIW from the Indian Ocean as well. |
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| Keywords: | Indonesian Throughflow subsurface water intermediate water origin pathway |
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