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| Intrusion Pattern of the Offshore Kuroshio Branch Current and Its Effects on Nutrient Contributions in the East China Sea | |
Wang, Wentao1,2 ; Yu, Zhiming1,2; Song, Xiuxian1,2; Yuan, Yongquan1,2; Wu, Zaixing1,2; Zhou, Peng1,2,3; Cao, Xihua1,2
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| 2018-03-01 | |
| 发表期刊 | JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS
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| ISSN | 2169-9275 |
| 卷号 | 123期号:3页码:2116-2128 |
| 通讯作者 | Yu, Zhiming([email protected]) |
| 摘要 | During the autumn season of 2014 (October-November), nutrient samples and nitrogen and oxygen isotope samples from the East China Sea (ECS) were collected and analyzed, and auxiliary physical parameters were determined. Distinctive high-salinity water column conditions with significant haloclines and pycnoclines similar to those observed during the spring were detected at the bottom of the ECS during the autumn. These water column conditions were attributed to the intrusion of the Kuroshio Subsurface Water (KSSW), which then separated into two currents, including the Offshore Kuroshio Branch Current (OKBC). Compared with spring, this intrusion transported higher phosphorus (P) concentrations onto the ECS continental shelf in autumn. However, according to multiple analyses, biogeochemical nitrogen processes are unable to explain the variations in the P concentrations (increase) while assuming that each distinctive water column is consistent. Identifying the water columns by their salinities and P concentrations revealed that the northern ECS water column was similar to the deep KSSW while the southern ECS water column was similar to the shallow KSSW. Therefore, we speculate that the distinctions among the seasonal variations of P-enriched water masses were attributable to the different intrusion positions of the Kuroshio. The shift of the KSSW intrusion location moved toward the northeast during the autumn relative to the spring. This shift, which was proved by the oceanic vortex data, caused the deeper KSSW water upwelled to the ECS and formed the OKBC, thereby supplying additional P during the autumn. |
| 关键词 | East China Sea Kuroshio phosphate branch current intrusion nutrients cycles |
| DOI | 10.1002/2017JC013538 |
| 收录类别 | SCI |
| 语种 | 英语 |
| 资助项目 | Strategic Priority Research Program of the Chinese Academy of Sciences[XDA11020601]###1813; National Key Research and Development Program of China[2016YFE0101500]###1814; Aoshan Talent Cultivation Program[2017ASTCP-OS16]###1815; Strategic Priority Research Program of the Chinese Academy of Sciences[XDA11020601]; National Key Research and Development Program of China[2016YFE0101500]; Aoshan Talent Cultivation Program[2017ASTCP-OS16] |
| WOS研究方向 | Oceanography |
| WOS类目 | Oceanography |
| WOS记录号 | WOS:000430918500031 |
| 出版者 | AMER GEOPHYSICAL UNION |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.qdio.ac.cn/handle/337002/157592 |
| 专题 | 海洋生态与环境科学重点实验室 |
| 通讯作者 | Yu, Zhiming |
| 作者单位 | 1.Chinese Acad Sci, Inst Oceanol, CAS Key Lab Marine Ecol & Environm Sci, Qingdao, Peoples R China 2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Ecol & Environm Sci, Qingdao, Peoples R China 3.Univ Chinese Acad Sci, Beijing, Peoples R China |
| 第一作者单位 | 中国科学院海洋研究所 |
| 通讯作者单位 | 中国科学院海洋研究所 |
| 推荐引用方式 GB/T 7714 | Wang, Wentao,Yu, Zhiming,Song, Xiuxian,et al. Intrusion Pattern of the Offshore Kuroshio Branch Current and Its Effects on Nutrient Contributions in the East China Sea[J]. JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS,2018,123(3):2116-2128. |
| APA | Wang, Wentao.,Yu, Zhiming.,Song, Xiuxian.,Yuan, Yongquan.,Wu, Zaixing.,...&Cao, Xihua.(2018).Intrusion Pattern of the Offshore Kuroshio Branch Current and Its Effects on Nutrient Contributions in the East China Sea.JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS,123(3),2116-2128. |
| MLA | Wang, Wentao,et al."Intrusion Pattern of the Offshore Kuroshio Branch Current and Its Effects on Nutrient Contributions in the East China Sea".JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS 123.3(2018):2116-2128. |
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