Supertyphoon Hagibis action in the ionosphere on 6–13 October 2019: Results from multi-frequency multiple path sounding at oblique incidence

LF Chernogor, KP Garmash, Q Guo… - Advances in Space …, 2021 - Elsevier
The purpose of the present paper is to describe the observations of the variations in the
parameters of HF radio waves propagating through the ionosphere when the action of the …

Ionosphere response to geospace storm on 25 September 2016 over Kharkiv (Ukraine)

LY Emelyanov, SV Katsko, MV Lyashenko… - Advances in Space …, 2023 - Elsevier
Instrumental observations of variations in the level of the geomagnetic field and ionospheric
parameters were conducted during a weak geospace storm on September 25, 2016. It was …

Main features of the geomagnetic effect of the October 14, 2023 annular solar eclipse in the Americas

LF Chernogor, MY Holub, VT Rozumenko - Journal of Atmospheric and …, 2024 - Elsevier
The purpose of this paper is to investigate temporal variations in the northward, X, eastward,
Y, and downward, Z, components of the geomagnetic field recorded during the October 14 …

Dynamic processes in the magnetic field and in the ionosphere during the 30 August–2 September, 2019 geospace storm

Y Luo, L Chernogor, K Garmash… - Annales …, 2020 - angeo.copernicus.org
Back at the end of the last century, LF Chernogor validated the concept that geospace
storms are comprised of synergistically coupled magnetic storms, ionospheric storms …

Effects from the June 10, 2021 solar eclipse in the high-latitude ionosphere: Results of GPS observations

L Chernogor, Y Mylovanov… - Radio Physics and Radio …, 2022 - ui.adsabs.harvard.edu
Abstract Subject and Purpose. The unique natural phenomena which solar eclipses are can
activate coupling between the subsystems of the Earth–atmosphere–ionosphere …

Energetics of physical processes operated on May 8–12, 2024: From the solar storm to lithospheric disturbances

LF Chernogor - Advances in Space Research, 2025 - Elsevier
The purpose of this study is to estimate the energetics of the salient physical processes,
starting at the onset of the solar storm of May 8, 2024, and ending with a disturbance of the …

The geomagnetic response to the X-class solar flares of September 2017

Y Luo, LF Chernogor, KP Garmash - Advances in Space Research, 2023 - Elsevier
This study analyzes the variations in the levels of the Earth's magnetic field and its
fluctuations in the range of periods of 1–1000 s that accompanied X-class solar flare on 6, 7 …

Large-scale disturbances in the lower and middle ionosphere accompanying its modification by the Sura heater

LF Chernogor, KP Garmash, VL Frolov - Radiophysics and Quantum …, 2019 - Springer
We briefly describe the results of the first (undedicated) experiments on studying large-scale
(about 1000 km) aperiodic and quasi-periodic disturbances in the lower and middle …

[HTML][HTML] A two-step geospace storm as a new tool of opportunity for experimentally estimating the threshold condition for the formation of a substorm current wedge

LF Chernogor - Annales Geophysicae, 2025 - angeo.copernicus.org
In the study of coupling processes acting within the upper atmosphere, a major challenge
remains in quantifying the transformation of energy. One of the energy pathways between …

Characteristic features of latitudinal manifestations of the 23–24 April 2023 geomagnetic storm

L Chernogor - Annales Geophysicae Discussions, 2024 - angeo.copernicus.org
The paper examines, for the first time, the latitudinal dependence of variations in the
geomagnetic field on the surface of the Earth on the global scale during the severe two-step …