Perturbations to the lower ionosphere by tropical cyclone Evan in the South Pacific region
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DOI: 10.1002/2017ja024023
Abstract: Very Low Frequency (VLF) electromagnetic signals from navigational transmitters propagate worldwide in the earth-ionosphere waveguide formed by the earth and the electrically conducting lower ionosphere. Changes in the signal properties are signatures of variations in… read more here.
Keywords: cyclone evan; tropical cyclone; lower ionosphere; region ... See more keywords
Early/fast VLF Events Produced by the Quiescent Heating of the Lower Ionosphere by Thunderstorms
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Geophysical Research"
DOI: 10.1002/2017jd026528
Abstract: Large and easily distinguishable perturbations of the VLF transmitter signals due to interactions with thundercloud-driven ionospheric modifications have been observed and studied for about three decades. These events are called “early/fast VLF” or “early VLF”… read more here.
Keywords: lower ionosphere; heating lower; vlf events; quiescent heating ... See more keywords
The lower ionosphere disturbances observed during the chain of the meteotsunamis in the Mediterranean Sea in June 2014
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DOI: 10.1007/s11069-020-04223-1
Abstract: In June 2014, a number of meteotsunamis were detected in the Mediterranean and Black Sea area. These meteotsunamis were initiated by a unique high-altitude dynamical system which was initially originated above Spain and traveled across… read more here.
Keywords: lower ionosphere; sea; mediterranean sea; meteotsunamis ... See more keywords
Space weather effects on lower ionosphere: First investigation from Bharati station during 34th Indian scientific expedition to Antarctica
Sign Up to like & getrecommendations! Published in 2017 at "Advances in Space Research"
DOI: 10.1016/j.asr.2017.02.004
Abstract: Abstract We investigate the solar flare effects on the D-region of the ionosphere with the help of VLF (Very Low Frequency) radio waves using a portable E-field system from Antarctica during the summer period of… read more here.
Keywords: lower ionosphere; expedition; scientific expedition; 34th indian ... See more keywords
The lower ionosphere response to its disturbances by powerful radio waves
Sign Up to like & getrecommendations! Published in 2017 at "Advances in Space Research"
DOI: 10.1016/j.asr.2017.07.022
Abstract: Abstract The paper presents data from some campaigns at Sura heating facility in 2011–1016. The experiments on probing of the artificial disturbed region of the lower ionosphere were carried out at two observation sites. One… read more here.
Keywords: disturbed region; lower ionosphere; radio waves; radio ... See more keywords
Aerosols: The key to understanding Titan's lower ionosphere
Sign Up to like & getrecommendations! Published in 2018 at "Planetary and Space Science"
DOI: 10.1016/j.pss.2018.02.007
Abstract: Abstract The Permittivity Wave and Altimetry system on board the Huygens probe observed an ionospheric hidden layer at a much lower altitude than the main ionosphere during its descent through the atmosphere of Titan, the… read more here.
Keywords: charge densities; key understanding; lower ionosphere; aerosols key ... See more keywords
Disturbance in the lower ionosphere that accompanied the reentry of the Chelyabinsk cosmic body
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DOI: 10.1134/s0010952517050033
Abstract: The paper describes quasi-periodic and aperiodic variations in the phase and amplitude of radio waves of LF and VLF ranges, which accompanied the flight and explosion of the Chelyabinsk meteoroid. Quasi-periodic variations in the phase… read more here.
Keywords: cosmic body; lower ionosphere; variations phase; radio waves ... See more keywords
Earth’s lower ionosphere during partial solar eclipses according to observations near Nizhny Novgorod
Sign Up to like & getrecommendations! Published in 2017 at "Geomagnetism and Aeronomy"
DOI: 10.1134/s0016793217010029
Abstract: The results of observations in the Vasil’sursk Laboratory (56.1° N, 46.1° E) of partial solar eclipses of August 11, 1999, August 1, 2008, and March 20, 2015 are discussed. Ionospheric observations in the eclipse periods… read more here.
Keywords: earth lower; lower ionosphere; partial solar; solar eclipses ... See more keywords