[PDF] Top 20 Upper atmosphere circulation and wave motion

... The neutral wind can conveniently be subdivided into components of decreasing temporal scale: the prevailing wind, planetary waves, atmospheric tides, internal gravity waves and turbulen[r] ... See full document

... the upper tropospheric tropical eastward jets to move ...meridional circulation gives rise to solar cycle tropospheric temperature ...planetary wave propagation varied over the solar cycle, resulting ... See full document

... an upper boundary at an al- titude of about 95 to 210 km by Fomichev et ...the upper-mesosphere–lower-thermosphere region is the Küh- lungsborn Mechanistic general Circulation Model (KMCM, ...gravity ... See full document

... Langmuir circulation is usu- ally done by scaling it with the Stokes ...a motion which results in a mean transport. The rest of the motion is im- portant: Benilov (2012) showed that vorticity was ... See full document

... the upper mesosphere and lower thermosphere (MLT) region have been observed by twilight photometry and lidar since the mid-1960s [Plane, ...meridional circulation to small-scale perturbations from gravity ... See full document

... drift motion apparent in the diffrac­ tion pattern on the sea bed and we could measure the characteristic velocity (v ) as defined in Section ...mean motion will then be apparent in the diffraction pattern ... See full document

... and upper-atmosphere ...the atmosphere as a result of gravity wave (GW) ...the atmosphere is that it has a static vertical gradient in terms of distribution and the turbulence velocity ... See full document

... middle atmosphere using a mechanis- tic global circulation ...gravity wave–tide inter- ...gravity wave interactions contribute in cer- tain seasons and at certain ...background ... See full document

... the motion of tropical cyclones in the atmosphere, of Reznik (1992), Reznik & Dewar (1994) and Sutyrin & Flierl ...dipole circulation as the primary monopole vortex interacts with the ... See full document

... and 2 π /250 km −1 , respectively (see Fig. 1 of Yi˘git et al., 2012, for a representative GW spectrum). The GW spec- trum adopted in this study and its relation to the observation were discussed in detail in Yi˘git et ... See full document

... shock wave of the traveling mass of solar energetic particles causes a geomagnetic storm that may disrupt the Earth’s magnetosphere, compressing it on the day side and ending the night side magnetic ...Earth’s ... See full document

... of wave-current interactions around surf zones at ...of wave breaking at the breaker line needs to capture both the nonlinearity of the wave and its dis- ...water wave model, incorporating ... See full document

... GSWM is a 2-dimensional linearized model that was re- cently described by Hagan et al. (1999). Briefly, it solves the extended Navier-Stokes equations for tidal and plane- tary wave perturbations as a function of ... See full document

... Figures 5.6 and 5.7 depict the wave motion due to an initial depression of the ice cover against x and t (large) together, for two choices of values of D, namely, D = 0.5, D = 0.1, while Figures 5.8 and 5.9 ... See full document

... A recent use of radars for measuring precipitation at sea occurred during COARE when C-band Doppler radars were deployed simultaneously on two ships for a total period of 90 days. Each radar antenna was stabilised, using ... See full document

... The smaller of this value, the more clearly of the details of spread of waves, but that will increase the quantity of computation and data, slowing down the simulation speed. We represent a tsunami as a two-dimensional ... See full document

... Conclusions It has been shown that the measurement of' the phase as well as the amplitude of D region pai•tial reflections enables a Fourier analysis to be used... illustrates the conseq[r] ... See full document

... X. M IRROR S YMMETRY OF C LASSIC P HYSICS All quantum units are parameters of density of the field of progressive velocity. Velocity is relative (distance unit)/ (time unit) quantity. The number C is upper ... See full document

... Table 1 contains a complete list of rate coefficients for the neutral and ion-molecule reactions depicted in Figure 1. In order to model the K layer, we adopt the same approach that was used recently to model the global ... See full document

... shock wave propagation in the open atmosphere. The shock wave of Mach number ...the wave, 22 points of equal spacing are selected along the center line of the shock tube, as shown in ... See full document