Investigating repeatable ionospheric features during large space storms and superstorms
Abstract
This project conducted detailed studies on the 6 April 2000 superstorm and on the 25 September 1998 great storm. These studies produced significant results including an analysis on the model performance of CTIPe (Coupled Thermosphere- Ionosphere-Plasmasphere Electrodynamics). The 6 April 2000 superstorm (Dst = -314 nT) was complex as the prompt penetration electric field developed and operated under continuous disturbance dynamo electric field effects. Thus, this storm offered the opportunity to study the impact of eastward PPEF on the daytime Equatorial Ionization Anomaly (EIA) while the disturbance dynamo continued. The 25 September 1998 great storm(Dst = -220 nT) was a unique event because of its unusual pattern producing unusual ionospheric storms. Our results reveal some strong longitudinal differences caused by the domination of eastward (westward( perturbation E-fields in the Australian Indian) sector causing the presence (absence) of the EIA that was reasonably well reproduced by CTIPe.
Document Details
- Document Type
- Technical Report
- Publication Date
- Aug 25, 2014
- Accession Number
- ADA609369
Entities
People
- Ildiko Horvath
Organizations
- University of Queensland