LI Juan, LIU Junliang, CAI Shuqun, PAN Jiayi. The spatiotemporal variation of the wind-induced near-inertial energy flux in the mixed layer of the South China Sea[J]. Acta Oceanologica Sinica, 2015, 34(1): 66-72. doi: 10.1007/s13131-015-0597-8
Citation: LI Juan, LIU Junliang, CAI Shuqun, PAN Jiayi. The spatiotemporal variation of the wind-induced near-inertial energy flux in the mixed layer of the South China Sea[J]. Acta Oceanologica Sinica, 2015, 34(1): 66-72. doi: 10.1007/s13131-015-0597-8

The spatiotemporal variation of the wind-induced near-inertial energy flux in the mixed layer of the South China Sea

doi: 10.1007/s13131-015-0597-8
  • Received Date: 2014-07-23
  • Rev Recd Date: 2014-09-10
  • On the basis of the QSCAT/NCEP blended wind data and simple ocean data assimilation (SOdA), the wind-induced near-inertial energy flux (NIEF) in the mixed layer of the South China Sea (SCS) is estimated by a slab model, and the model results are verified by observational data near the Xisha Islands in the SCS. Then, the spatial and temporal variations of the NIEF in the SCS are analyzed. It is found that, the monthly mean NIEF exhibits obvious spatial and temporal variabilities, i.e., it is large west of Luzon Island all the year, east of the Indo-China Peninsula all the year except in spring, and in the northern SCS from May to September. The large monthly mean NIEF in the first two zones may be affected by the large local wind stress curl whilst that in the last zone is probably due to the shallow mixed layer depth. Moreover, the monthly mean NIEF is relatively large in summer and autumn due to the passage of typhoons. The spatial mean NIEF in the mixed layer of the SCS is estimated to be about 1.25 mW/m2 and the total wind energy input from wind is approximately 4.4 GW. Furthermore, the interannual variability of the spatial monthly mean NIEF and the Niño3.4 index are negatively correlated.
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  • Alford M H. 2001. Internal swell generation: the spatial distribution of energy flux from the wind to mixed layer near-inertial motions. Journal of Physical Oceanography, 31(8): 2359-2368
    Alford M H. 2003. Improved global maps and 54-year history of wind-work on ocean inertial motions. Geophysical Research Letters, 30(8): 1424
    Alford M H, Gregg M C. 2001. Near-inertial mixing: modulation of shear, strain and microstructure at low latitude. Journal of Geophysical Research: Oceans (1978-2012), 106(C8): 16947-16968
    Cai Shuqun, Gan Zijun. 2000. The application of a three-dimensional baroclinic shelf sea model: the seasonal variation of the South China Sea upper mixed layer. Haiyang Xuebao (in Chinese), 22(3): 7-14
    Carton J A, Chepurin G, Cao Xianhe, et al. 2000. A simple ocean data assimilation analysis of the global upper ocean 1950-95: Part I. Methodology. Journal of Physical Oceanography, 30(2): 294-309
    Chaigneau A, Pizarro O, Rojas W. 2008. Global climatology of near-inertial current characteristics from Lagrangian observations. Geophysical Research Letters, 35(13): L13603
    Chen Gengxin, Xue Huijie, Wang dongxiao, et al. 2013. Observed near-inertial kinetic energy in the northwestern South China Sea. Journal of Geophysical Research: Oceans, 118(10): 4965-4977
    d'Asaro E A. 1985. The energy flux from the wind to near-inertial motions in the surface mixed layer. Journal of Physical Oceanography, 15(8): 1043-1059
    Fang Guohong, Chen Haiying, Wei Zexun, et al. 2006. Trends and interannual variability of the South China Sea surface winds, surface height, and surface temperature in the recent decade. Journal of Geophysical Research: Oceans (1978-2012), 111(C11): C11S16
    Furuichi N, Hibiya T, Niwa Y. 2008. Model-predicted distribution of wind-induced internal wave energy in the world's oceans. Journal of Geophysical Research: Oceans (1978-2012), 113(C9): C09034
    Huang Ronghui, Zhang Renhe, Yan Bangliang. 2001. dynamical effect of the zonal wind anomalies over the tropical western Pacific on ENSO cycles. Science in China: Series d. Earth Sciences, 44(12): 1089-1098
    Jiang Jing, Lu Youyu, Perrie W. 2005. Estimating the energy flux from the wind to ocean inertial motions: the sensitivity to surface wind fields. Geophysical Research Letters, 32(15): L15610
    Kara A B, Rochford P A, Hurlburt H E. 2000. An optimal definition for ocean mixed layer depth. Journal of Geophysical Research: Oceans (1978-2012), 105(C7): 16803-16821
    Klein P, Lapeyre G, Large W G. 2004. Wind ringing of the ocean in presence of mesoscale eddies. Geophysical Research Letters, 31(15): L15306
    Large W G, Pond S. 1981. Open ocean momentum flux measurements in moderate to strong winds. Journal of Physical Oceanography, 11(3): 324-336
    Liang Xinfeng, Zhang Xiaoqian, Tian Jiwei. 2005. Observation of internal tides and near-inertial motions in the upper 450 m layer of the northern South China Sea. Chinese Science Bulletin, 50(24): 2890-2895
    Liu Junliang, Cai Shuqun, Wang Shengan. 2011. Observations of strong near-bottom current after the passage of Typhoon Pabuk in the South China Sea. Journal of Marine Systems, 87(1): 102-108
    Liu Junliang, Cai Shuqun, Wang Shengan. 2014. diurnal wind and nonlinear interaction between inertial and tidal currents in the South China Sea during the passage of Typhoon Conson. Acta Oceanologica Sinica, 33(5): 1-7
    Liu Yonggang, Weisberg R H. 2012. Seasonal variability on the West Florida Shelf. Progress in Oceanography, 104: 80-98
    Milliff R F, Large W G, Morzel J, et al. 1999. Ocean general circulation model sensitivity to forcing from scatterometer winds. Journal of Geophysical Research: Oceans (1978-2012), 104(C5): 11337-11358
    Munk W, Wunsch C. 1998. Abyssal recipes II: energetics of tidal and wind mixing. deep-Sea Research: Part I. Oceanographic Research Papers, 45(12): 1977-2010
    Pollard R T. 1970. On the generation by winds of inertial waves in the ocean. deep Sea Research and Oceanographic Abstracts, 17(4): 795-812
    Pollard R T, Millard R C Jr. 1970. Comparison between observed and simulated wind-generated inertial oscillations. deep Sea Research and Oceanographic Abstracts, 17(4): 813-821
    Rimac A, Von Storch J S, Eden C, et al. 2013. The influence of high-resolution wind stress field on the power input to near-inertial motions in the ocean. Geophysical Research Letters, 40(18): 4882-4886
    Simmons H L, Alford M H. 2012. Simulating the long-range swell of internal waves generated by ocean storms. Oceanography, 25(2): 30-41
    Sun Lu, Zheng Quanan, Wang dongxiao, et al. 2011. A case study of near-inertial oscillation in the South China Sea using mooring observations and satellite altimeter data. Journal of Oceanography, 67(6): 677-687
    Wang Yonggang, Fang Guohong, Wei Zexun, et al. 2006. Interannual variation of the South China Sea circulation and its relation to El Niño, as seen from a variable grid global ocean model. Journal of Geophysical Research: Oceans (1978-2012), 111(C11): C11S14
    Watanabe M, Hibiya T. 2002. Global estimates of the wind-induced energy flux to inertial motions in the surface mixed layer. Geophysical Research Letters, 29(8): 64-1-64-3
    Wu Zhaohua, Huang N E. 2004. A study of the characteristics of white noise using the empirical mode decomposition method. Proceedings of the Royal Society of London: Series A. Mathematical, Physical and Engineering Sciences, 460(2046): 1597-1611
    Zhai Xiaoming, Greatbatch R J, Eden C, et al. 2009. On the loss of wind-induced near-inertial energy to turbulent mixing in the upper ocean. Journal of Physical Oceanography, 39(11): 3040-3045
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