ULF electromagnetic field in the upper ionosphere excited by lightning
Abstract
We have theoretically estimated ULF spectra on the ground and at ionospheric altitudes in the ULF frequency range 0.1-6.0 Hz excited by a lightning stroke in the lower atmosphere. This frequency band comprises typical frequencies of the ionospheric Alfven resonator and the ionospheric wavegude. The spectra of both horizontal magnetic and electric components are shown to reveal the spectral resonant structure in the upper ionosphere. The feasibility of the detection of ULF response in the upper ionosphere to isolated lightning stroke and stochastic thunderstorm activity by low-orbiting satellites with magnetic or electric sensors onboard is discussed.
- Publication:
-
42nd COSPAR Scientific Assembly
- Pub Date:
- July 2018
- Bibcode:
- 2018cosp...42E2678P