AbstractThe concept of the Global Electric Circuit (GEC) provides an explanation of the existence of a vertical atmospheric electric field and coupling between the ground and ionosphere. Presently, ionospheric physics pays more attention to electric fields and coupling processes in the polar and auroral regions, whereas in other areas the potential difference between the ground and ionosphere usually is not taken into account. Regional processes exist, however, that are able to significantly affect the GEC parameters and through modification of the ionospheric potential to create plasma density irregularities of different scales within the ionosphere. One such source of ionosphere modification is air ionization in the vicinity of active tectonic faults, which takes place due to increased radon emanation. This paper considers the process of local modification of the GEC and corresponding ionospheric variability due to tectonic activity.
Physical mechanism of the vertical electric field generation over active tectonic faults
Advances in Space Research ; 44 , 6 ; 767-773
2009-04-07
7 pages
Article (Journal)
Electronic Resource
English
Physical mechanism of the vertical electric field generation over active tectonic faults
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