Search Results - "SHVED, G. M"

Steady-frequency waves at intradiurnal periods from simultaneous co-located microbarometer and seismometer measurements: a case study by Shved, G. M., Karpova, N. V., Petrova, L. N., Orlov, E. G., Ermolenko, S. I.

“…Simultaneous co-located microbarometer and vertical-pendulum seismometer measurements at St. Petersburg (59.9° N, 29.8° E) with total duration of 4 months are…”
Get full text

On the abundances of carbon dioxide isotopologues in the atmospheres of mars and earth by Shved, G. M.

“…The isotopic composition of carbon dioxide in the Martian atmosphere from the measurements of Mars Science Laboratory have been used to estimate the relative…”
Get full text

An improved model of radiative transfer for the NLTE problem in the NIR bands of CO2 and CO molecules in the daytime atmosphere of Mars. 2. Population of vibrational states by Ogibalov, V. P., Shved, G. M.

“…The near-infrared (NIR) emission of the Martian atmosphere in the CO2 bands at 4.3, 2.7, 2.0, 1.6, 1.4, 1.3, 1.2, and 1.05 µm and in the CO bands at 4.7, 2.3,…”
Get full text

An improved model of radiative transfer for the NLTE problem in the NIR bands of CO2 and CO molecules in the daytime atmosphere of Mars. 1. Input data and calculation method by Ogibalov, V. P., Shved, G. M.

“…Advances in attacking the problem of radiative transfer in the near infrared (NIR) bands of CO 2 and CO under nonlocal thermodynamic equilibrium (NLTE)…”
Get full text

Relationship of the Long-Period Free Oscillations of the Earth with Atmospheric Processes by Shved, G. M., Golitsyn, G. S., Ermolenko, S. I., Kukushkina, A. E.

“…Based on the five-year record of the superconducting gravimeter in Strasburg (48.6° N, 7.7° E), the correlation is calculated between the long-period free…”
Get full text

A Study of the Column Methane Short-Term Variability in the Atmosphere on a Regional Scale by Cherepova, M. V., Smyshlyaev, S. P., Makarova, M. V., Timofeyev, Yu. M., Poberovskiy, A. V., Shved, G. M.

“…The short-term variability of the methane column has been analyzed based on ground-based observations and numerical modeling at the St. Petersburg NDACC…”
Get full text

Revealing short-period normal modes of the atmosphere by Shved, G. M., Ermolenko, S. I., Hoffmann, P.

“…Barometer and seismometer measurements at Collm, Germany (51.3° N, 13.0° E) for all of 2002 are used to search for atmospheric normal modes (ANMs) in the…”
Get full text

Statistical study of seismic and ground pressure oscillations with steady frequencies in the 0.7-5 h period range by KARPOVA, N. V, PETROVA, L. N, SHVED, G. M

“…Product spectra of ground pressure variation and seismic oscillations have been calculated in the period sub-ranges of 42–90 min and 2.5–5 h, based on…”
Get full text

Short-period normal modes of the atmosphere by Beliaev, T. M., Shved, G. M.

“…To our knowledge, this is the first study to calculate the frequencies of the gravity-inertia normal modes of the atmosphere in the ∼1- to 5-h period range…”
Get full text

Ozone Temporal Variability in the Subarctic Region: Comparison of Satellite Measurements with Numerical Simulations by Shved, G. M., Virolainen, Ya. A., Timofeyev, Yu. M., Ermolenko, S. I., Smyshlyaev, S. P., Motsakov, M. A., Kirner, O.

“…Fourier and wavelet spectra of time series for the ozone column abundance in the atmospheric 0–25 and 25–60 km layers are analyzed from SBUV satellite…”
Get full text

Effect of planetary waves on cooling the upper mesosphere and lower thermosphere by the CO2 15-mu m emission by Shved, G M, Ogibalov, V P, Pogoreltsev, AI

“…The steady-state 2-D linearized model of globalscale waves, calibrated according to available observations, is used to evaluate planetary-wave perturbations of…”
Get full text

Upper thermal boundary layer of planetary atmosphere: An attempt of developing a general model by Semenov, A.O., Shved, G.M.

“…In any planetary atmosphere there is an uppermost layer in which the molecular thermal conduction is a significant mechanism of forming the thermal structure…”
Get full text

Non-local thermodynamic equilibrium in CO2 in the middle atmosphere: III. Simplified models for the set of vibrational states by Ogibalov, V.P, Shved, G.M

“…A hierarchy of three simplified non-LTE CO2 models is presented. The models are distinguished by the number of states included in solving for the steady-state…”
Get full text

An Improved Optical Model for the Non-LTE Problem for the CO2 Molecule in the Atmosphere of Mars: Nighttime Populations of Vibrational States and the Rate of Radiative Cooling of the Atmosphere by Ogibalov, V P, Shved, Gm

“…The estimates of the population of excited vibrational states of the CO^sub 2^ molecule and of the rate of radiative cooling of the atmosphere in the 15-μm…”
Get full text

Detecting global atmospheric oscillations by seismic instruments by Shved, G. M., Ermolenko, S. I., Karpova, N. V., Wendt, S., Jacobi, Ch

“…We briefly overview the periodic atmospheric motions in the period range from 1 h to a few dozen days. It is shown that many oscillations recorded by vertical…”
Get full text

Effects of Temperature Variations with Height on the Nonequilibrium Populations of Vibrational States of Molecules in Planetary Atmospheres by Semenov, A O, Shved, G M

“…The model of the standard problem of radiative transfer in a vibrational-rotational band that we suggested previously (Shved and Semenov, 2001) for a nonlocal…”
Get full text

Penetration of the Earth's free oscillations at 54 minute period into the atmosphere by Shved, G. M., Petrova, L. N., Polyakova, O. S.

“…It is known that the fundamental spheroidal mode 0S2 of the Earth free oscillation with a period of about 54 min forces atmospheric oscillations. We present a…”
Get full text

Natural population inversion for the CO2 vibrational states in Earth's atmosphere by Shved, G.M., Ogibalov, V.P.

“…An estimation of population inversion for the (0 0(0) 1) and (1 0(0) 0) states of the CO2 molecule in the Earth's atmosphere is presented. The evaluation shows…”
Get full text

The Standard Problem of Nonlocal Thermodynamic Equilibrium Radiative Transfer in the Rovibrational Band of the Planetary Atmosphere by Shved, G M, Semenov, A O

“…The standard problem of radiative transfer in a rovibrational band is formulated for an optically semi-infinite plane-parallel planetary atmosphere using a…”
Get full text

Comparing parametrization of the coefficient of molecular thermal conductivity of the thermosphere by Semenov, A. O., Shved, G. M.

“…At present, different parametrizations of the molecular thermal conductivity coefficient are used in the models of the dynamics and neutral and ion composition…”
Get full text