Energy distributions of the large-scale horizontal currents caused by wind in the baroclinic ocean
Zhou, L; Tian, JW; Wang, DX; zhoulei_zq@hotmail.com
2005
发表期刊SCIENCE IN CHINA SERIES D-EARTH SCIENCES
ISSN1006-9313
卷号48期号:12页码:2267-2275
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.
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
关键词Wind Anomaly Ocean Current Anomaly Energy Transportation Wide Frequency Band Near-inertial Frequency Energy Distribution
学科领域Geosciences, Multidisciplinary
收录类别sci
资助项目LED
WOS记录号WOS:000235014000022
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文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/5677
专题热带海洋环境国家重点实验室(LTO)
通讯作者zhoulei_zq@hotmail.com
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GB/T 7714
Zhou, L,Tian, JW,Wang, DX,et al. Energy distributions of the large-scale horizontal currents caused by wind in the baroclinic ocean[J]. SCIENCE IN CHINA SERIES D-EARTH SCIENCES,2005,48(12):2267-2275.
APA Zhou, L,Tian, JW,Wang, DX,&zhoulei_zq@hotmail.com.(2005).Energy distributions of the large-scale horizontal currents caused by wind in the baroclinic ocean.SCIENCE IN CHINA SERIES D-EARTH SCIENCES,48(12),2267-2275.
MLA Zhou, L,et al."Energy distributions of the large-scale horizontal currents caused by wind in the baroclinic ocean".SCIENCE IN CHINA SERIES D-EARTH SCIENCES 48.12(2005):2267-2275.
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