Characteristics of the Plasma Disturbance Excited at Altitudes of 450–500 km During the “Sura” Facility Operation


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Abstract

We discuss the results of measuring characteristics of the artificial plasma disturbances excited at altitudes of 450–500 km with the ionospheric F2 layer modified by high-power HF radio waves from the Sura facility. It is found that at these altitudes there are plasma temperature and density variations in the HF-perturbed magnetic flux tube. No ducts with increased plasma density that were previously observed at altitudes of about 660 km were detected. The results of the studies are compared with the data from the DEMETER satellite and the results of radiotomographic measurements. It is noted that the field-aligned currents induced in a perturbed ionosphere during the Sura operation were detected for the first time using SWARM satellites.

About the authors

V. L. Frolov

Radiophysical Research Institute of N. I. Lobachevsky State University of Nizhny Novgorod; Kazan (Volga) Federal University

Author for correspondence.
Email: frolov@nirfi.unn.ru
Russian Federation, Nizhny Novgorod; Kazan

R. Yu. Lukyanova

Geophysical Center of the Russian Academy of Sciences

Email: frolov@nirfi.unn.ru
Russian Federation, Moscow

A. S. Belov

Radiophysical Research Institute of N. I. Lobachevsky State University of Nizhny Novgorod; Yu. E. Sedakov Research Institute of Measuring Systems, Branch of Russian Federation Nuclear Center—All-Russia Research Institute of Experimental Physics

Email: frolov@nirfi.unn.ru
Russian Federation, Nizhny Novgorod; Nizhny Novgorod

I. A. Bolotin

Radiophysical Research Institute of N. I. Lobachevsky State University of Nizhny Novgorod

Email: frolov@nirfi.unn.ru
Russian Federation, Nizhny Novgorod

M. N. Dobrovolsky

Geophysical Center of the Russian Academy of Sciences

Email: frolov@nirfi.unn.ru
Russian Federation, Moscow

A. O. Ryabov

Radiophysical Research Institute of N. I. Lobachevsky State University of Nizhny Novgorod

Email: frolov@nirfi.unn.ru
Russian Federation, Nizhny Novgorod

E. A. Shorokhova

Yu. E. Sedakov Research Institute of Measuring Systems, Branch of Russian Federation Nuclear Center—All-Russia Research Institute of Experimental Physics

Email: frolov@nirfi.unn.ru
Russian Federation, Nizhny Novgorod

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