Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa, 2020, Vol. 17, No. 1, pp. 252-259
Electrostatic disturbances of inhomogeneous aerosol plasma and stability of atmospheric vortices
N.I. Izhovkina
1 , S.N. Artekha
2 , N.S. Erokhin
2, 3 , L.A. Mikhailovskaya
2 1 Pushkov Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation RAS, Troitsk, Russia
2 Space Research Institute RAS, Moscow, Russia
3 Peoples' Friendship University of Russia, Moscow, Russia
Accepted: 21.01.2020
DOI: 10.21046/2070-7401-2020-17-1-252-259
The atmosphere of the Earth is under constant influence of various ionizing sources. Aerosol ionization in the stratosphere and the upper troposphere by the precipitating particles of cosmic rays enhances vortex activity of the atmosphere. The important role of a charged aerosol impurity is manifested in generation of plasma vortices and accumulation of energy and mass of vortices in the atmosphere during condensation of moisture. It is shown that nonmonotonic electrostatic disturbances are excited in plasma inhomogeneities. Analytical solutions are presented for plasma without magnetic field. As applied to the atmosphere, such solutions correspond to the excitation of electrostatic disturbances along the lines of force of the geomagnetic field. The calculations were performed in the hot and cold plasma approximations. In electric fields, the heterogeneity breaks up into a cellular structure. Upon inhomogeneous heating of the structure, ensembles of plasma vortices are generated. Electric fields in the direction along the geomagnetic field accelerate the interaction of plasma vortices in the geomagnetic power tube. The vortex activity of the atmosphere is enhanced by the interaction of plasma vortices with Rossby vortices. In the analytical calculations of the dielectric constant of inhomogeneous plasma, the kinetic approximation was used and the particle velocity distribution was taken into account. Stability and elasticity of atmospheric vortex structures is associated with electric fields in unstable aerosol plasma.
Keywords: vortex activity of the atmosphere, cellular structures of aerosol plasma, geomagnetic field, kinetic approximation in inhomogeneous plasma
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