Continuous spectrum of evanescent acoustic-gravity waves in an isothermal atmosphere

OK Cheremnykh, AK Fedorenko… - Monthly Notices of …, 2021 - academic.oup.com
Waves in the Sun's atmosphere play a very important role in the redistribution of energy and
momentum. This motivates to search for new types of wave motions that could be realized in …

development of models of acoustic-gravity waves in the upper atmosphere (overview)

OK Cheremnykh, AK Fedorenko, EI Kryuchkov… - arXiv preprint arXiv …, 2023 - arxiv.org
We present the results of studies of acoustic-gravity waves (AGWs) in the upper atmosphere
of the Earth. The work has been mainly aimed at studying the peculiarities of atmospheric …

Evanescent acoustic-gravity waves in a rotating stratified atmosphere

O Cheremnykh, T Kaladze, Y Selivanov… - Advances in Space …, 2022 - Elsevier
In this work, we focused on the study of the influence of the rotation of the Earth's
atmosphere on the properties of evanescent acoustic-gravity waves, which we studied …

Modulational instability and collapse of internal gravity waves in the atmosphere

VM Lashkin, OK Cheremnykh - Physical Review E, 2024 - APS
Nonlinear two-dimensional (IGWs) in the atmospheres of the Earth and the Sun are studied.
The resulting two-dimensional nonlinear equation has the form of a generalized nonlinear …

Acoustic-gravity wave spectrum filtering in the horizontally inhomogeneous atmospheric flow

AK Fedorenko, EI Kryuchkov, OK Cheremnykh… - Kinematics and Physics …, 2023 - Springer
The properties of acoustic-gravity waves (AGWs) in the atmosphere can be determined to a
greater extent by the features of the propagation medium than by the sources of these …

Properties of acoustic-gravity waves at the boundary of two isothermal media

AK Fedorenko, EI Kryuchkov, OK Cheremnykh… - Kinematics and Physics …, 2022 - Springer
The properties of evanescent acoustic-gravity waves that can propagate along the interface
between two isothermal half-spaces with different temperatures are studied. In such a …

[HTML][HTML] Atmospheric waves disturbances from the solar terminator according to the VLF radio stations data

O Cheremnykh, A Fedorenko, A Voitsekhovska… - Advances in Space …, 2023 - Elsevier
The perturbations from the solar terminator in the range of acoustic-gravity waves (AGWs)
periods from 5 minutes to 1 hour were analysed with the use of measurements of VLF radio …

Two-frequency propagation mode of acoustic− gravity waves in the Earth's atmosphere

OK Cheremnykh, EI Kryuchkov, AK Fedorenko… - Kinematics and Physics …, 2020 - Springer
As is known from multiyear theoretical and experimental studies, acoustic− gravity waves
(AGW) determine the dynamics and energy balance of the atmospheres of planets and the …

Attenuation of Acoustic-Gravity Waves in an Isothermal Atmosphere: Consideration with the Modified Navier-Stokes and Heat-Transfer Equations

AK Fedorenko, EI Kryuchkov… - Kinematics and Physics of …, 2020 - Springer
Within the model of a dissipative isothermal atmosphere, the attenuation of acoustic− gravity
waves (AGWs) is studied on the basis of the modified Navier− Stokes and heat-transfer …

Influence of vertical heterogeneity of atmospheric temperature on the propagation of acoustic-gravity waves

AK Fedorenko, EI Kryuchkov, OK Cheremnykh… - Kinematics and Physics …, 2020 - Springer
A new approach to the study of acoustic-gravity waves in the Earth's atmosphere in the
presence of vertical temperature inhomogeneity is proposed. Using this approach, the local …