Zobrazeno 1 - 10
of 33
pro vyhledávání: '"N. M. Gavrilov"'
Autor:
A. V. Koval, O. N. Toptunova, M. A. Motsakov, K. A. Didenko, T. S. Ermakova, N. M. Gavrilov, E. V. Rozanov
Publikováno v:
Atmospheric Chemistry and Physics, Vol 23, Pp 4105-4114 (2023)
Using the general circulation model of the middle and upper atmosphere (MUAM), a number of numerical scenarios were implemented to study the impact of individual planetary waves (PWs) on the global atmospheric circulation, including zonal wind, tempe
Externí odkaz:
https://doaj.org/article/cefd4499dc5f419d9e4e7b1a8b026b5c
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-12 (2022)
Abstract With the help of numerical simulation, a detailed analysis of the dynamical effect of the stratospheric quasi-biennial oscillation (QBO) of the equatorial zonal wind on the planetary waves (PWs) up to thermospheric heights is carried out for
Externí odkaz:
https://doaj.org/article/078177f0c94342268f4b3b294d6de522
Publikováno v:
Atmospheric Chemistry and Physics, Vol 22, Pp 13713-13724 (2022)
High-resolution numerical simulations of non-stationary, nonlinear acoustic–gravity waves (AGWs) propagating upwards from surface wave sources are performed for different temporal intervals relative to activation and deactivation times of the wave
Externí odkaz:
https://doaj.org/article/9def5b49e2504f678a41ac3b24e48383
Autor:
A. V. Koval, W. Chen, K. A. Didenko, T. S. Ermakova, N. M. Gavrilov, A. I. Pogoreltsev, O. N. Toptunova, K. Wei, A. N. Yarusova, A. S. Zarubin
Publikováno v:
Annales Geophysicae, Vol 39, Pp 357-368 (2021)
Ensemble simulation of the atmospheric general circulation at altitudes up to the lower thermosphere is performed using the 3-D nonlinear mechanistic numerical model MUAM. The residual mean meridional circulation (RMC), which is the superposition of
Externí odkaz:
https://doaj.org/article/01d3ffa031c64129b6de8aa2b535ba85
Publikováno v:
Geoscientific Model Development, Vol 8, Iss 6, Pp 1831-1838 (2015)
Comparisons of amplitudes of wave variations of atmospheric characteristics obtained using direct numerical simulation models with polarization relations given by conventional theories of linear acoustic-gravity waves (AGWs) could be helpful for test
Externí odkaz:
https://doaj.org/article/6d9e27405c8b4c7b9670d64e7b76bee3
Publikováno v:
Atmospheric Measurement Techniques, Vol 7, Iss 4, Pp 1003-1010 (2014)
Atmospheric column-average methane mole fractions measured with ground-based Fourier-transform spectroscopy near Saint Petersburg, Russia (59.9° N, 29.8° E, 20 m a.s.l.) are compared with similar data obtained with the Japanese GOSAT (Greenhouse ga
Externí odkaz:
https://doaj.org/article/7db08654da13478bb08593df8045bb4e
Autor:
N. M. Gavrilov
Publikováno v:
Atmospheric Chemistry and Physics, Vol 13, Iss 23, Pp 12107-12116 (2013)
Approaches for estimations of effective turbulent diffusion and energetic parameters from characteristics of anisotropic and isotropic spectra of perturbations of atmospheric refractivity, density and temperature are developed. The approaches are app
Externí odkaz:
https://doaj.org/article/e45c254bf369481982e6b01c22fb05cd
Publikováno v:
Annales Geophysicae, Vol 23, Pp 2401-2413 (2005)
Turbulence parameters in the tropo-stratosphere are analyzed using high-resolution balloon temperature measurements collected during the MUTSI (MU radar, Temperature sheets and Interferometry) campaign which took place near the Middle and Upper at
Externí odkaz:
https://doaj.org/article/ee331a4da8a84c71a670824c8e160394
Autor:
N. M. Gavrilov, S. Fukao
Publikováno v:
Annales Geophysicae, Vol 22, Pp 3889-3898 (2004)
It is shown with a numerical simulation that a sharp increase in the vertical temperature gradient and Brunt-Väisälä frequency near the tropopause may produce an increase in the amplitudes of internal gravity waves (IGWs) propagating upward fro
Externí odkaz:
https://doaj.org/article/18a60783304b4636b6414a0979c47a03
Autor:
N. M. Gavrilov, Ch. Jacobi
Publikováno v:
Annales Geophysicae, Vol 22, Pp 35-45 (2004)
The data of the regular low-frequency D1 E-region observations at Collm, Germany (52°N, 15°E) in 1983–1999 are used for estimations of the intensity of short-period perturbations of the horizontal drift velocity at 85–110 km altitude. A simpl
Externí odkaz:
https://doaj.org/article/6898f9085d0a4cec95a3e22cdd03c1ae