The cross-polar potential drop 8pc and the lowlatitude asymmetric geomagnetic disturbance field, as indicated by the mid-latitude ASY-H magnetic index, are used to study the average magnetospheric response to the solar wind forcing for southward interplanetary magnetic field conditions. The state of the solar wind is monitored by the ACE spacecraft and the ionospheric convection is measured by ...

By using the data of GNSS (Global Navigation Satellite System) observation from Crustal Movement Observation Network China (CMONOC), ionospheric electron density (IED) distributions reconstructed by computerized tomography (CIT) technique are used to investigate storm effects over Wuhan region during 17 March and 22 June 2015 geomagnetic periods. F-region critical frequency (foF2) at ionosonde ...

In this paper, using plasma density data (Ne) obtained from the Swarm satellite, effect of prompt penetration electric fields (PPEFs) on distribution at low latitudes during 07–08 September 2017 geomagnetic storm is discussed. The observations enhancements and reductions in ionospheric around noon midnight association with orientation north–south component interplanetary magnetic field (IMF Bz)...

[1] We study ring current evolution during the 10 January 1997 geomagnetic storm, comparing results from two inner magnetospheric convection electric field models: (1) the Kp-dependent Volland-Stern (V-S) model and (2) the high spatial and temporal resolution assimilative mapping of ionospheric electrodynamics (AMIE) model, coupled with our global ring current model. We have added a penetration...

Ionospheric irregularities can severely degrade radio communication and navigation systems. Geomagnetic storms may affect the generation of these in a way that is not yet fully understood. To improve forecasting this phenomenon, we need to study ionosphere different regions world, particular equatorial ionization anomaly (EIA) where are usually more intense. This analyses effect geomagnetic on ...

[1] Using recently published electron phase space densities (PSD) as a function of L* (L* is approximately the radial distance in Earth radii at the equator) and time, energization and loss in the Earth’s outer electron radiation belt were studied quantitatively and numerically using a radial diffusion model that included finite electron lifetimes and an internal source parameterized as a funct...

On 25 August 2018, a G3-class geomagnetic storm reached the Earth’s magnetosphere, causing transient rearrangement of charged particle environment around planet, which was detected by High-Energy Particle Detector (HEPD) on board China Seismo-Electromagnetic Satellite (CSES-01). We found that count rates electrons in MeV range were characterized depletion during storm’s main phase and clear enh...

We present the ionospheric disturbance responses over low-latitude regions by using total electron content from Geostationary Earth Orbit (GEO) satellites of BeiDou Navigation Satellite System (BDS), ionosonde data and Swarm satellite data, during geomagnetic storm in August 2018. The results show that a prominent (TEC) enhancement is observed main phase storm. There persistent TEC increase las...

The world-wide use of GPS satellites for navigation and positioning offers the unique chance for permanent monitoring the total electron content (TEC) of the ionosphere on global scale. Based on the analysis of GPS-derived TEC maps computed at DLR/DFD Neustrelitz for the European area on a routine base with a time resolution of 10 min the paper demonstrates the power of this new tool to detect ...

Multi-diagnostic observations, covering a significant area of northwest Europe, were made during the magnetic storm interval (28–29 April 2001) that occurred during the High Rate SolarMax IGS/GPS-campaign. HF radio observations were made with vertical sounders (St. Petersburg and Sodankyla), oblique incidence sounders (OIS), on paths from Murmansk to St. Petersburg, 1050 km, and Inskip to Leice...