| 关于南海北部上层水团的分类及三维分布的研究 |
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| 引用本文： | 朱佳,郑全安,胡建宇,林宏阳,陈德文,陈照章,孙振宇,李立焰,孔昊.关于南海北部上层水团的分类及三维分布的研究[J].海洋学报(英文版),2019,38(4):126-135. |
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| 作者姓名： | 朱佳 郑全安 胡建宇 林宏阳 陈德文 陈照章 孙振宇 李立焰 孔昊 |
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| 作者单位： | 厦门大学海洋与地球学院, 近海海洋环境科学国家重点实验室,美国马里兰大学 大气与海洋科学系,厦门大学海洋与地球学院, 近海海洋环境科学国家重点实验室,厦门大学海洋与地球学院, 近海海洋环境科学国家重点实验室,国家海洋局厦门海洋预报台,厦门大学海洋与地球学院, 近海海洋环境科学国家重点实验室,厦门大学海洋与地球学院, 近海海洋环境科学国家重点实验室,厦门大学海洋与地球学院, 近海海洋环境科学国家重点实验室,福建海洋研究所海岛与海岸带管理技术研究重点实验室 |
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| 基金项目： | The National Natural Science Foundation of China under contract No. 41776027; the National Basic Research Program of China under contract Nos 2015CB954004 and 2009CB421208; the Open Fund of the Key Laboratory of Ocean Circulation and Waves, Chinese Academy of Sciences under contract No. KLOCW1808. |
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| 摘 要： | Using the fuzzy cluster analysis and the temperature-salinity(T-S) similarity number analysis of cruise conductivity-temperature-depth(CTD) data in the upper layer(0–300 m) of the northern South China Sea(NSCS), we classify the upper layer water of the NSCS into six water masses: diluted water(D), surface water(SS),the SCS subsurface water mass(U_S), the Pacific Ocean subsurface water mass(U_P), surface-subsurface mixed water(SU) and subsurface-intermediate mixed water(UI). A new stacked stereogram is used to illustrate the water mass distribution, and to examine the source and the distribution of U_P, combining with the sea surface height data and geostrophic current field. The results show that water mass U_P exists in all four seasons with the maximum range in spring and the minimum range in summer. In spring and winter, the U_P intrudes into the Luzon Strait and the southwest of Taiwan Island via the northern Luzon Strait in the form of nonlinear Rossby eddies, and forms a high temperature and high salinity zone east of the Dongsha Islands. In summer, the U_P is sporadically distributed in the study area. In autumn, the U_P is located in the upper 200 m layer east of Hainan Island.
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| 关 键 词： | 水团分类 南海北部 模糊聚类分析 T-S相似度 |
| 收稿时间： | 2018/2/10 0:00:00 |
Classification and 3-D distribution of upper layer water masses in the northern South China Sea |
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| Zhu Ji,Zheng Quanan,Hu Jianyu,Lin Hongyang,Chen Dewen,Chen Zhaozhang,Sun Zhenyu,Li Liyan and Kong Hao.Classification and 3-D distribution of upper layer water masses in the northern South China Sea[J].Acta Oceanologica Sinica,2019,38(4):126-135. |
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| Authors: | Zhu Ji Zheng Quanan Hu Jianyu Lin Hongyang Chen Dewen Chen Zhaozhang Sun Zhenyu Li Liyan and Kong Hao |
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| Institution: | 1.State Key Laboratory of Marine Environmental Science, College of Ocean and Earth Sciences, Xiamen University, Xiamen 361102, China2.Department of Atmospheric and Oceanic Science, University of Maryland, College Park, Maryland 20742, USA3.Marine Forecast Station of Xiamen, State Oceanic Administration, Xiamen 361012, China4.Fujian Provincial Key Laboratory of Coast and Island Management Technology, Fujian Institute of Oceanography, Xiamen 361013, China |
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| Abstract: | Using the fuzzy cluster analysis and the temperature-salinity (T-S) similarity number analysis of cruise conductivity-temperature-depth (CTD) data in the upper layer (0-300 m) of the northern South China Sea (NSCS), we classify the upper layer water of the NSCS into six water masses:diluted water (D), surface water (SS), the SCS subsurface water mass (US), the Pacific Ocean subsurface water mass (UP), surface-subsurface mixed water (SU) and subsurface-intermediate mixed water (UI). A new stacked stereogram is used to illustrate the water mass distribution, and to examine the source and the distribution of UP, combining with the sea surface height data and geostrophic current field. The results show that water mass UP exists in all four seasons with the maximum range in spring and the minimum range in summer. In spring and winter, the UP intrudes into the Luzon Strait and the southwest of Taiwan Island via the northern Luzon Strait in the form of nonlinear Rossby eddies, and forms a high temperature and high salinity zone east of the Dongsha Islands. In summer, the UP is sporadically distributed in the study area. In autumn, the UP is located in the upper 200 m layer east of Hainan Island. |
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| Keywords: | water mass classification northern South China Sea fuzzy cluster analysis T-S similarity number |
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