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The processes of formation and evolution of model stratospheric aerosol in simulation chambers to study the possibilities of climate stabilization using modern geoengineering methods are investigated. The possibility is shown of generating liquid-droplet stratospheric aerosol in the climatic chamber by the conversion of sulfur-containing gases (H2S), as well as solid-phase aerosol (sulfates) in interaction with ammonia gas impurities under conditions simulating real processes in the lower stratosphere. Data were obtained on the attenuation of radiation at a wavelength of 0.63 m close to the wavelength of the solar spectrum maximum (0.54 m) and on the microstructure of model stratospheric aerosol with different chemical and phase compositions (droplet sulfuric acid and solid-phase sulfate) under conditions close to stratospheric ones at the altitudes from 10 to 12 km: temperatures up to –50...–55°C and atmospheric pressure up to 0.2 atm. [ABSTRACT FROM AUTHOR]

The results of observations of geomagnetic disturbances related to cyclonic activity in the troposphere are reported. To reveal these disturbances, we use data on magnetic observations statistically processed for a certain period and data obtained during an individual large cyclone. We propose a physical mechanism by which tropospheric cyclones can produce disturbances in the magnetic field; this mechanism is based on the electrodynamical effect of generation of the magnetic field, while charged clouds move under the action of wind and charged particles precipitate. It has been deduced from the experiments that, in a frequency range of 4.3−8.3 mHz, the dispersion of the magnetic field disturbances may increase by more than two times during cyclone passage above the observational site, as compared to the background values in the cyclone absence. The theoretically estimated amplitudes of the magnetic induction disturbances caused by the cyclone satisfactorily agree with the observational data. [ABSTRACT FROM AUTHOR]

Studies the stability of symmetric steady, axisymmetric and geostrophic motion in a compressible stratified medium. Equations for the adiabatic axisymmetric motion of an ideal fluid in a system of cylindrical coordinates; Principle of the energy minimum.