Contents

Geomagnetism and Aeronomy


Vol. 60, No. 5, 2020


Behavior of the Speed and Temperature of the Solar Wind during Interplanetary Disturbances Creating Forbush Decreases

A. A. Melkumyan, A. V. Belov, M. A. Abunina, A. A. Abunin, E. A. Eroshenko, V. A. Oleneva and V. G. Yanke p. 521  abstract

Equatorial Plasma Bubbles: Occurrence Probability versus Local Time

L. N. Sidorova p. 530  abstract

Monitoring of the Electron-Acceleration Region with Auroral Kilometric Radiation

D. V. Chugunin, A. A. Chernyshov, I. L. Moiseenko, M. E. Viktorov and M. M. Mogilevsky p. 538  abstract

Evolution of High-Latitude Geomagnetic Disturbances during the Magnetic Storm of July 22, 2009

L. I. Gromova, N. G. Kleimenova, S. V. Gromov and L. M. Malysheva p. 547  abstract

Identification of Vortex Currents in the Ionosphere and Estimation of Their Parameters Based on Ground Magnetic Data

V. E. Chinkin, A. A. Soloviev and V. A. Pilipenko p. 559  abstract

Calculation of the Ionization Rate in the Atmosphere in the Polar Region during Solar Proton Events

E. A. Ginzburg, A. A. Krivolutsky, A. A. Kukoleva and I. N. Myagkova p. 570  abstract

Estimation of the Ionospheric Effects of Geomagnetic Disturbances Based on Data from Wakkanai Station

A. D. Legen’ka and V. V. Khegai p. 577  abstract

Trends in Parameters of the F2 Layer and the 24th Solar-Activity Cycle

A. D. Danilov and A. V. Konstantinova p. 586  abstract

Ionospheric Effects of Solar Flares in September 2017 and an Evaluation of Their Influence on Errors in Navigation Measurements

I. I. Shagimuratov, I. E. Zakharenkova, N. Yu. Tepenitsina, G. A. Yakimova and I. I. Efishov p. 597  abstract

Effective Solar Activity Index for the Median of the Critical Frequency of the F2 Layer

M. G. Deminov and G. F. Deminova p. 606  abstract

Ionospheric Disturbances during Meteorological Storms

M. I. Karpov, I. V. Karpov, O. P. Borchevkina, G. A. Yakimova and N. A. Korenkova p. 611  abstract

Tropical Cyclones and Possible Winter Thunderstorms on Kamchatka

Yu. M. Mikhailov, S. E. Smirnov, G. A. Mikhailova and O. V. Kapustina p. 619  abstract

Reflection of Large Tectonic Structures of the Eastern Part of the Arctic Ocean in the Lithospheric Magnetic Field

L. Yu. Abramova, L. M. Abramova, I. M. Varentsov and S. V. Filippov p. 636  abstract

Pre-earthquake Atmospheric and Ionospheric Anomalies before Taiwan Earthquakes (M 6.1 and M 6.4) on February (4th and 6th), 2018

C. Prasanna Simha, Venkatanathan Natarajan and Katlamudi Madhusudhana Rao p. 644  abstract

Evaluating Solar Quiet Variation of the Horizontal Geomagnetic Field using Nonlinear Time Series Analysis Techniques

E. O. Falayi, A. S. Ajose, T. O. Roy-Layinde, A. T. Adewole and J. O. Adepitan p. 661  abstract