期刊文献+

Nonlinear interactions between gravity waves and tides

Nonlinear interactions between gravity waves and tides
原文传递
导出
摘要 In this study, we present the nonlinear interactions between gravity waves (GWs) and tides by using the 2D numerical model for the nonlinear propagation of GWs in the compressible atmosphere. During the propagation in the tidal background, GWs become instable in three regions, that is z = 75―85 km, z = 90―110 km and z = 115―130 km. The vertical wavelength firstly varies gradually from the initial 12 km to 27 km. Then the newly generated longer waves are gradually compressed. The longer and shorter waves occur in the regions where GWs propagate in the reverse and the same direction of the hori-zontal mean wind respectively. In addition, GWs can propagate above the main breaking region (90—110 km). During GWs propagation, not only the mean wind is accelerated, but also the amplitude of tide is amplified. Especially, after GWs become instable, this amplified effect to the tidal amplitude is much obvious. In this study, we present the nonlinear interactions between gravity waves (GWs) and tides by using the 2D numerical model for the nonlinear propagation of GWs in the compressible atmosphere. During the propagation in the tidal background, GWs become instable in three regions, that is z = 75–85 km, z =90–110 km and z = 115–130 km. The vertical wavelength firstly varies gradually from the initial 12 km to 27 km. Then the newly generated longer waves are gradually compressed. The longer and shorter waves occur in the regions where GWs propagate in the reverse and the same direction of the horizontal mean wind respectively. In addition, GWs can propagate above the main breaking region (90–110 km). During GWs propagation, not only the mean wind is accelerated, but also the amplitude of tide is amplified. Especially, after GWs become instable, this amplified effect to the tidal amplitude is much obvious.
出处 《Science China Earth Sciences》 SCIE EI CAS 2007年第8期1273-1279,共7页 中国科学(地球科学英文版)
基金 the National Natural Science Foundation of China (Grant Nos. 40621003, 40225011 and 40674088) the National Major Basic Research Project (Grant No. 2006CB806306) in part by the Foundation of the Key Laboratory of Geospace Environment & Geodesy of Ministry of Education, China
关键词 GRAVITY WAVES TIDES mean WIND nonlinear INTERACTIONS GRAVITY WAVES PARAMETERIZATION gravity waves tides mean wind nonlinear interactions gravity waves parameterization
  • 相关文献

参考文献4

二级参考文献38

  • 1Hu Y Q,J Comput Phys,1984年,55卷,33页 被引量:1
  • 2Holton J R. The Dynamical Meteorology of the Stratosphere and Mesosphere. Boston: Meteor. Monogr., Am.Meteor. Soc., 1975, 218 被引量:1
  • 3Fritts D C. Gravity wave saturation in the middle atmosphere: a review of theory an dobservations. Rev.Geophys., 1984, 22:275-308 被引量:1
  • 4Dewan E M, Good R E. Saturation and the "universal" spectrum for vertical profiles of horizontal scalar wind in the atmosphere. J. Geophys, Res., 1986, 91:2742-2748 被引量:1
  • 5Kshevetskii S P, Gavrilov N M. Vertical propagation,breaking and effects of nonlinear gravity waves in the atmosphere. J. Atmos. Solar. Terr. Phys., 2005, 67:1014-1030 被引量:1
  • 6Miles J W. On the stability of heterogenous shear flows.J. Fluid Mech., 1961, 10:496-508 被引量:1
  • 7Sonmor L J, Klaassen G P. Toward a unified theory of gravity wave stability. J. Atmos. Sci., 1997,54:2655-2680 被引量:1
  • 8Li Feng, Liu A Z, Swenson G R, Hecht J H, Robinson W A. Observation of gravity wave breakdown into ripples associated with dynamical instabilities. J, Geophys.Res., 2005, 110, D09S11, doi: 10.1029/2004JD004849 被引量:1
  • 9Lindzen R S. Turbulence and stress due to gravity waves and tidal breakdown. J. Geophys. Res., 1981,86(C10):9707-9714 被引量:1
  • 10Dunkerton T J. Stochastic parameterization of gravity wave stress. J. Atmos. Sci., 1982, 39:1711-1725 被引量:1

共引文献32

相关作者

内容加载中请稍等...

相关机构

内容加载中请稍等...

相关主题

内容加载中请稍等...

浏览历史

内容加载中请稍等...
;
使用帮助 返回顶部