Effects of gravity waves in the atmosphere
The influence of photochemistry on gravity waves in the middle atmosphere
... middle atmosphere, the fundamental processes in- clude photochemical, dynamical and radiative ...the atmosphere is a highly interactive system characterized by non-linear ...middle atmosphere system ...
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Nonlinear interaction of gravity waves in a nonisothermal and dissipative atmosphere
... initial gravity wave packets in- teract to produce a third substantial packet in a nonisother- mal and dissipative ...The effects of the inho- mogeneous temperature and dissipation on interaction are ...ing ...
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Numerical Simulation of Acoustic Gravity Waves Propagation in a Heterogeneous Earth Atmosphere Model with Wind in the Atmosphere
... the effects of the wave field propagation in a unified mathematical earth-atmosphere model and to study the exchange waves at their ...wind effects on the propagation of the acous- ...
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Three-dimensional numerical simulation of magnetohydrodynamic-gravity waves and vortices in the solar atmosphere
... – waves – Sun: ...of waves in the magnetohydrodynamic (MHD) threshold ...MHD waves, instabilities and dynamical processes in solar and other astrophysical plasma received special attention in the ...
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On the role of dust storms in triggering atmospheric gravity waves observed in the middle atmosphere
... 1 National Atmospheric Research Laboratory, Gadanki, Tirupati – 517 502, India 2 Department of Atmospheric Sciences, National Taiwan University, Taiwan Received: 20 August 2011 – Accepted: 6 September 2011 – Published: ...
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Propagation to the upper atmosphere of acoustic gravity waves from atmospheric fronts in the Moscow region
... generated waves, we take the case of extreme variations in surface atmospheric pressure when we construct the AGW ...the atmosphere caused by various other wave ...the effects of other wave sources ...
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Three dimensional numerical modeling of tsunami related internal gravity waves in the Hawaiian atmosphere
... Attenuation effects, such as viscosity and thermal con- duction, are neglected in our model as we are principally interested to the shape of the tsunami signature in the air- glow ...
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The impact of gravity waves rising from convection in the lower atmosphere on the generation and nonlinear evolution of equatorial bubble
... the effects of GW enters to the simulation through variable “s” which is γ R + δγ times l o /δl x ...far, effects of GW in both growth rate and density perturbation are ...
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Radiosonde observations of vertical wave number spectra for gravity waves in the lower atmosphere over Central China
... significant effects of the wind shear on the wave number spectra of GWs, and the spectra in the lower stratosphere are generally shallower than those in the tropo- ...
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Effects of Tropospheric Wind Shear on the Spectrum of Convectively Generated Gravity Waves
... the waves is equal to the fre- quency of the thermal forcing of ...for waves with the dominant ...generate gravity waves with more than one dominant vertical wave- ...generates gravity ...
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Spatial and seasonal variability of medium- and high-frequency gravity waves in the lower atmosphere revealed by US radiosonde data
... Finally, we would like to emphasize that, since GWs play an important role in driving atmospheric dynamics at dif- ferent scales, the observational constraints for the GWs are essential in furthering our understanding of ...
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The effect of shear on the generation of gravity waves
... Lily, 1979; Peltier and Clarke, 1983; Smith, 1980, 1989, Yih 1967, Davis 1999). The most common approximation in these studies was to set Brunt-V¨ais¨al¨a frequency to a constant or a step function over the computational ...
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CiteSeerX — Gravity wave dynamics and effects in the middle atmosphere
... local gravity wave dissipa- tion and momentum flux divergence, in contrast, may occur on fast or slow timescales and on many spatial scales, resulting in a spectrum of radiated waves that mirror the source ...
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Simulating influences of QBO phases and orographic gravity wave forcing on planetary waves in the middle atmosphere
... thermal effects and changes in the QBO ...middle atmosphere during the easterly and westerly QBO phases could be produced by changes in refractive indexes, PW propagation conditions, and subsequent PW drag ...
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Magnetohydrodynamic surface waves in the solar atmosphere
... two effects seriously complicate any description of the ...of gravity not only introduces a preferred direction additional to that û determined by the magnetic field, but also imposes length and time scales ...
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Acoustic gravity waves in the atmosphere generated by infragravity waves in the ocean
... Specifically, we use the data obtained with the VIPIR/ Dynasonde HF radar system located at NASA ’s Wallops Flight Facility in Virginia, USA. Projections of the vel- ocity fluctuations onto the magnetic field line ...
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Rolls of the internal gravity waves in the Earth’s atmosphere
... Correspondence to: V. Fedun ([email protected]) Received: 28 October 2013 – Revised: 19 December 2013 – Accepted: 28 January 2014 – Published: 25 February 2014 Abstract. The effect of the wind shear on the roll ...
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Acoustic gravity waves in a viscous and thermally conducting isothermal atmosphere
... ABSTRACT: In this paper we will investigate the effect of Newtonian cooling on the propagation of acoustic-gravity waves in a viscous and thermally conducting isothermal atmosphere for l[r] ...
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Satellite observations of middle atmosphere–thermosphere vertical coupling by gravity waves
... Hoffmann et al., 2012, and references therein). Recently, Yi˘git and Medvedev (2017) showed that GWs can influence the migrating diurnal tide in the T/I. Although many advances have been achieved by recent studies ...
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Waves in the middle atmosphere
... This in turn is applicable to the discussion of the relative importance of tides and internal gravity waves in the meridional transport of zonal momentum which [r] ...
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