TEC variations along an East Euro-African chain during 5th april 2010 geomagnetic storm
- Shimeis, Amira
- Borries, Claudia
- Amory-Mazaudier, Christine
- Fleury, Rolland
- Mahrous, Ayman Mohamed
- Hassan, A.F.
- Nawar, Samir
DOIAbstract
International audienceIn this paper, we analyzed the variations of TEC along a latitudinal East Euro-African chain, during the storm of April 5, 2010. We observed a large asymmetry between the two hemispheres. We detected the presence of a TID in the Northern hemisphere on April 5. The propagation time of the TID from high to low latitudes and the speed of the TID was determined. On April 5, 6 and 7, we observed a decrease of the TEC and changes of the NO+ in the Northern hemisphere. This depletion is caused by the large-scale thermospheric wind disturbances due to Joule heating dissipation in the auroral zone
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