Contents

Geomagnetism and Aeronomy

Vol. 59, No. 4, 2019

Model of the Ionospheric Trough for Daytime Winter Conditions Based on Data from Interkosmos-19 and Champ Satellites

A. T. Karpachev p. 383  abstract

Substorm Activity and Orientation of the Front of a Shock Wave of an Interplanetary Magnetic Cloud

N. A. Barkhatov, V. G. Vorobjev, S. E. Revunov, O. M. Barkhatova and O. I. Yagodkina p. 398  abstract

Fast Ionospheric Dynamics during a Substorm from Vertical and Oblique Sounding Data

D. V. Blagoveshchensky p. 407  abstract

Representation of the Third Adiabatic Invariant in Flux Form and Some Consequences of Its Conservation by Examples of Specific Axial Magnetic Systems

V. V. Bogdanov p. 418  abstract

Global Dynamic Model of Critical Frequency of the Ionospheric F2 Layer

V. N. Shubin and M. G. Deminov p. 429  abstract

Statistical Features of the Time Series of Variations in the Critical Frequencies of the F2 Layer

N. P. Sergeenko p. 441  abstract

Assessment of the Ionization Effect During the Distribution of a Toroidal Plasma Bunch in a Diluted Atmosphere

D. S. Moiseeva, A. A. Motorin and E. L. Stupitsky p. 448  abstract

Local and Regional Ionospheric Disturbances During Meteorological Disturbances

I. V. Karpov, O. P. Borchevkina and M. I. Karpov p. 458  abstract

The Electric Field in the Surface Atmosphere of the Megapolis of Moscow

A. A. Spivak, S. A. Riabova and V. A. Kharlamov p. 467  abstract

Satellite Regional Magnetic Anomalies as a Reflection of the Geological and Geophysical Properties of the Lithosphere (According to Champ Data)

D. Yu. Abramova and S. V. Filippov p. 479  abstract

Evolution of a Gas–Dust Cloud in the Upper Atmosphere: Analysis of Events October 26, 2017

S. Sh. Nikolayshvili, S. I. Kozlov, Yu. V. Platov and A. Yu. Repin p. 488  abstract

Deterministic Variability of the Ionosphere on the Eve of Strong (M ≥ 6) Earthquakes in the Regions of Greece and Italy According to Long-Term Measurements Data

D. V. Davidenko and S. A. Pulinets p. 493  abstract