Vertical Velocities and Temperature of the Neutral Component in the Upper Atmosphere

Бахметьева, Н. В.; Bubukina, V. N.; Vyakhirev, V. D.; Григорьев, Г. И.; Kalinina, E. E.; Tolmacheva, A. V.

doi:10.1134/s1990793117060161

Cited by 11 publications

(2 citation statements)

References 10 publications

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“…The atmospheric temperature and density are determined from the API relaxation time, which is inversely proportional to the ambipolar diffusion coefficient. Many results of studying the altitude-temporal variations of temperature and density in different geo-and helio-physical conditions are presented in Reference [23][24][25][26][27][28].…”

Section: Experimental Backgroundmentioning

confidence: 99%

“…Experimental data are presented in Table 1. Now, it is possible to apply out projection operators (26,27,28) and then to calculate, separately, energies for each mode, using formula (37), which need to be rewritten in the discrete form by replacement of integrals with sums, i.e., using midpoint rule. Since points are spaced, and we are interested in relative values only, simple sums can be used.…”

Section: Neutral Atmosphere Parameters Obtained Using Api Techniquementioning

confidence: 99%

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Study of a Gas Disturbance Mode Content Based on the Measurement of Atmospheric Parameters at the Heights of the Mesosphere and Lower Thermosphere

et al. 2021

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The main result of this work is the estimation of the entropy mode accompanying a wave disturbance, observed at the atmosphere heights range of 90–120 km. The study is the direct continuation and development of recent results on diagnosis of the acoustic wave with the separation on direction of propagation. The estimation of the entropy mode contribution relies upon the measurements of the three dynamic variables (the temperature, density, and vertical velocity perturbations) of the neutral atmosphere measured by the method of the resonant scattering of radio waves on the artificial periodic irregularities of the ionospheric plasma. The measurement of the atmosphere dynamic parameters was carried out on the SURA heating facility. The mathematical foundation of the mode separation algorithm is based on the dynamic projection operators technique. The operators are constructed via the eigenvectors of the coordinate evolution operator of the transformed system of balance equations of the hydro-thermodynamics.

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Section: Experimental Backgroundmentioning

confidence: 99%

Section: Neutral Atmosphere Parameters Obtained Using Api Techniquementioning

confidence: 99%

Study of a Gas Disturbance Mode Content Based on the Measurement of Atmospheric Parameters at the Heights of the Mesosphere and Lower Thermosphere

et al. 2021

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A Study of the Density Variations of Mesospheric Ozone in the Case of Ionospheric Perturbation by The “Sura” Facility Radiation with Simultaneous Diagnostics of Ionospheric Plasma

Andrianov

Бахметьева

Vyakhirev

et al. 2019

Radiophys Quantum El

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Turbopause range measured by the method of the artificial periodic irregularities

Tolmacheva

Бахметьева

Grigoriev

et al. 2019

Advances in Space Research

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Vertical Velocities and Temperature of the Neutral Component in the Upper Atmosphere

Cited by 11 publications

References 10 publications

Study of a Gas Disturbance Mode Content Based on the Measurement of Atmospheric Parameters at the Heights of the Mesosphere and Lower Thermosphere

Study of a Gas Disturbance Mode Content Based on the Measurement of Atmospheric Parameters at the Heights of the Mesosphere and Lower Thermosphere

A Study of the Density Variations of Mesospheric Ozone in the Case of Ionospheric Perturbation by The “Sura” Facility Radiation with Simultaneous Diagnostics of Ionospheric Plasma

Turbopause range measured by the method of the artificial periodic irregularities

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