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Annales Geophysicae An open-access journal of the European Geosciences Union
Ann. Geophys., 35, 671-675, 2017
https://doi.org/10.5194/angeo-35-671-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
ANGEO Communicates
22 May 2017
Propagation of a whistler wave incident from above on the lower nighttime ionosphere
Peter Bespalov1,2 and Vera Mizonova3 1Institute of Applied Physics RAS, Nizhny Novgorod, Russia
2National Research University Higher School of Economics, Nizhny Novgorod, Russia
3State Technical University, Nizhny Novgorod, Russia
Abstract. The problems of reflection and transmission of a whistler wave incident in the nighttime ionosphere from above are considered. Numerical solution of the wave equations for a typical condition of the lower ionosphere is found. The solution area comprises both the region of strong wave refraction and a sharp boundary of the nighttime ionosphere (∼ 100 km). The energy reflection coefficient and horizontal wave magnetic field on the ground surface are calculated. The results obtained are important for analysis of the extremely low-frequency and very low-frequency (ELF–VLF) emission phenomena observed from both the satellites and the ground-based observatories.

Citation: Bespalov, P. and Mizonova, V.: Propagation of a whistler wave incident from above on the lower nighttime ionosphere, Ann. Geophys., 35, 671-675, https://doi.org/10.5194/angeo-35-671-2017, 2017.
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The problems of reflection and transmission of a whistler wave incident in the nighttime ionosphere from above are considered. Numerical solutions of the wave equations for a typical condition of the lower ionosphere are found. The energy reflection coefficient and horizontal wave magnetic field on the ground surface are calculated. The obtained results are important for analysis of the ELF–VLF emission phenomena observed from both the satellites and the ground-based observatories.
The problems of reflection and transmission of a whistler wave incident in the nighttime...
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