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学科主题: Geosciences, Multidisciplinary
题名: Energy distributions of the large-scale horizontal currents caused by wind in the baroclinic ocean
作者: Zhou, L ; Tian, JW ; Wang, DX
通讯作者: zhoulei_zq@hotmail.com
关键词: wind anomaly ; ocean current anomaly ; energy transportation ; wide frequency band ; near-inertial frequency ; energy distribution
刊名: SCIENCE IN CHINA SERIES D-EARTH SCIENCES
发表日期: 2005
卷: 48, 期:12, 页:2267-2275
收录类别: sci
部门归属: Ocean Univ China, Phys Oceanog Lab, Qingdao 266003, Peoples R China; Chinese Acad Sci, S China Sea Inst Oceanol, Key Lab Trop Marine Environm Dynam, Guangdong 510301, Peoples R China
项目归属: LED
摘要: Ocean current data for nearly 3 months in the South China Sea (SCS), combined with the NCEP/NCAR reanalysis wind data, are analyzed. The results indicate that the wind energy enters the upper mixed layer in a wide continuous frequency band. In addition, the interaction between the low-frequency wind anomaly and the low-frequency current anomaly is the most 'effective' way for the energy input from the wind to the upper ocean. However, only the inertial and the near inertial energy propagate downwards through the upper mixed layer. The downward-propagating energy is distributed into the barotropic currents, the baroclinic currents and each mode of the baroclinic currents following the normal distributions. The energy change ratios between the barotropic motion to the baroclinic motion induced by the wind present a normal distribution of N(0.0242, 0.3947). The energy change ratios of the first 4 baroclinic modes to the whole baroclinic currents also follow the normal distributions. The first baroclinic mode follow; N (0.2628, 0.1872), the second N (0.1979, 0.1504), the third N (0.1331, 0.1633), and the fourth N (0.0650, 0.1540), respectively.
WOS记录号: WOS:000235014000022
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/5677
Appears in Collections:热带海洋环境动力实验室(LTO)_期刊论文

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Zhou, L; Tian, JW; Wang, DX.Energy distributions of the large-scale horizontal currents caused by wind in the baroclinic ocean,SCIENCE IN CHINA SERIES D-EARTH SCIENCES,2005,48(12):2267-2275
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文件名: Energy distributions of the large-scale horizontal currents caused by wind in the baroclinic ocean.pdf
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