ON THE GEOPHYSICAL INPUT IN ASSESING SPACE WEATHER HAZARD INDUCED BY GEOMAGNETIC STORMS (GICS)
| Main Authors: | Dobrica, Venera, Demetrescu, Crisan |
|---|---|
| Format: | Proceeding |
| Bahasa: | eng |
| Terbitan: |
, 2019
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| Subjects: | |
| Online Access: |
https://zenodo.org/record/4003533 |
Daftar Isi:
- The external geomagnetic field, arising from the magnetospheric and ionospheric current systems, developed at the interaction of solar wind and heliospheric magnetic field with the Earth’s magnetic field, especially geomagnetic storms, might induce hazardous response as shown by the surface electric field, the geophysical input in assessing ground space weather impact of geomagnetically induced currents (GICs). In this study, several space weather events are analyzed both from point of view of solar cause and from point of view of near-Earth/ground effects. The surface electric field, induced by the variable magnetic field of geomagnetic storms, is determined based on the geomagnetic field recordings and on information regarding the underground electric conductivity.