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DOI | 10.1029/2020JC016953 |
Monsoon-Facilitated Off-Shelf Transport of Dissolved Aluminum Across the East China Sea During Summer | |
Wang Z.; Xuan J.; Li F.; Ren J.; Huang D.; Zhang J. | |
发表日期 | 2021 |
ISSN | 21699275 |
卷号 | 126期号:6 |
英文摘要 | The continental shelf pump is believed to be important in transporting terrestrial materials across the East China Sea (ECS). More than 300 water samples collected from the ECS and a numerical model were used to identify the cross-shelf exchanges of dissolved aluminum (Al) in the ECS in summer. The results indicated that dissolved Al concentrations ranged from <1.0 to 242 nM, with the highest concentrations observed in the Zhe-Min coastal waters, while the lowest concentrations were determined to be in Kuroshio deep waters. The Kuroshio surface waters receive additional dissolved Al from the ECS continental shelf through a cross-shelf exchange process. By using dissolved Al as a tracer, evidence was found about the cross-shelf transport of Al in the ECS. Cross-shelf transport of dissolved Al was associated with fluctuations in the Taiwan Strait Warm Water, and the driving mechanisms were analyzed using a momentum equation. Ekman transport promoted by the summer monsoon was the key physical mechanism controlling the off-shelf transport of dissolved Al. Quantitative calculations showed that the ECS was a net source of dissolved Al to adjacent waters, of which almost 65% of the output entered the East/Japan Sea, while the remaining 35% entered the Kuroshio currents. Our results highlight the importance of cross-shelf transport processes to the distribution and cycling of biogenic elements within the marginal seas of China, and highlight the wider implications for biogeochemical cycles throughout the western Pacific Ocean. © 2021. American Geophysical Union. All Rights Reserved. |
英文关键词 | Continental shelf pump; Dissolved aluminum; East China sea; GEOTRACES; Shelf export |
语种 | 英语 |
来源期刊 | Journal of Geophysical Research: Oceans |
文献类型 | 期刊论文 |
条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/186289 |
作者单位 | Frontiers Science Center for Deep Ocean Multispheres and Earth System, and Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, Ocean University of China, Qingdao, China; College of Environmental Science and Engineering, Dalian Maritime University, Dalian, China; State Key Laboratory of Satellite Ocean Environment Dynamics, Second Institute of Oceanography, Ministry of Natural Resources, Hangzhou, China; Shanwei Marine Environmental Monitoring Center, State Oceanic Administration, Shanwei, China; State Key Laboratory of Estuarine and Coastal Research, East China Normal University, Shanghai, China |
推荐引用方式 GB/T 7714 | Wang Z.,Xuan J.,Li F.,et al. Monsoon-Facilitated Off-Shelf Transport of Dissolved Aluminum Across the East China Sea During Summer[J],2021,126(6). |
APA | Wang Z.,Xuan J.,Li F.,Ren J.,Huang D.,&Zhang J..(2021).Monsoon-Facilitated Off-Shelf Transport of Dissolved Aluminum Across the East China Sea During Summer.Journal of Geophysical Research: Oceans,126(6). |
MLA | Wang Z.,et al."Monsoon-Facilitated Off-Shelf Transport of Dissolved Aluminum Across the East China Sea During Summer".Journal of Geophysical Research: Oceans 126.6(2021). |
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