Results 11 to 20 of about 5,638 (223)

Large Amplitude Whistler Waves in Earth's Plasmasphere and Plasmaspheric Plumes

Geophysical Research Letters
Whistler mode waves in the plasmasphere and plumes drive significant losses of energetic electrons from the Earth's radiation belts into the upper atmosphere.
Xiao‐Chen Shen, Wen Li, Qianli Ma, Murong Qin, Luisa Capannolo, Miroslav Hanzelka, Sheng Huang, Xiangning Chu   +7 more
doaj   +2 more sources

A plasmaspheric cavity resonance in a longitudinally non-uniform plasmasphere [PDF]

Earth, Planets and Space, 2014
Power spectra of a plasmaspheric cavity resonance (strictly, a plasmaspheric virtual resonance) in a longitudinally non-uniform plasmasphere are calculated. It is shown that the spectra depend on longitude. Therefore, a cavity resonance mode can have local time depending spectra when the plasmasphere is non-uniform in a longitudinal direction.
Fujita, S., Itonaga, M.
openaire   +1 more source

Determining Plasmaspheric Densities from Observations of Plasmaspheric Hiss [PDF]

Journal of Geophysical Research: Space Physics, 2018
AbstractA new method of inferring electron plasma densities inside of the plasmasphere is presented. Utilizing observations of the electric and magnetic field wave power associated with plasmaspheric hiss, coupled with the cold plasma dispersion relation, permits calculation of the plasma density.
D. P. Hartley, C. A. Kletzing, S. De Pascuale, W. S. Kurth, O. Santolík   +4 more
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The plasmasphere of Neptune [PDF]

Journal of Geophysical Research: Planets, 1998
We examine the plausible existence of Neptune's plasmasphere and study the drift of particles inside it. Using the O8 magnetic field model [Connerney et al., 1991] and assuming a uniform solar wind convection electric field, the plasma convection time and refilling time are calculated in a Euler potential coordinate system [Ho el al., 1997]. The plasma
Tian‐Sen Huang, C. Wing Ho, Claudia J. Alexander   +2 more
openaire   +1 more source

PINE-RT: An operational real-time plasmasphere model

Frontiers in Astronomy and Space Sciences, 2023
The plasmasphere is a region of cold and dense plasma around the Earth, corotating with the Earth. Its plasma density is very dynamic under the influence of the solar wind and it influences several processes such as the GPS navigation, the surface ...
Stefano Bianco, Bernhard Haas, Bernhard Haas, Yuri Y. Shprits, Yuri Y. Shprits, Yuri Y. Shprits   +5 more
doaj   +1 more source

Deep learning model of hiss waves in the plasmasphere and plumes and their effects on radiation belt electrons

Frontiers in Astronomy and Space Sciences, 2023
Hiss waves play an important role in removing energetic electrons from Earth’s radiation belts by precipitating them into the upper atmosphere. Compared to plasmaspheric hiss that has been studied extensively, the evolution and effects of plume hiss are ...
Sheng Huang, Wen Li, Qianli Ma, Qianli Ma, Xiao-Chen Shen, Luisa Capannolo, Miroslav Hanzelka, Miroslav Hanzelka, Xiangning Chu, Donglai Ma, Jacob Bortnik, Simon Wing   +11 more
doaj   +1 more source

Formation of the oxygen torus in the inner magnetosphere: Van Allen Probes observations [PDF]

, 2015
We study the formation process of an oxygen torus during the 12–15 November 2012 magnetic storm, using the magnetic field and plasma wave data obtained by Van Allen Probes.
De Pascuale, S., Keika, K., Kletzing, C. A., Kurth, W. S., Larsen, Bradford, MacDowall, R. J., Nakano, S., Nose, M., Oimatsu, S., Reeves, Geoffrey, Smith, Charles W., Spence, Harlan E.   +11 more
core   +3 more sources

Internal source of plasmaspheric hiss on Earth

地球与行星物理论评, 2022
Plasmasphere is an upward extension of the ionosphere at low and middle latitudes along the closed magnetic field lines rooted in the Earth, where the trapped whistler-mode waves in the frequency range from tens to thousands of Hertz are named as ...
Zhenpeng Su, Nigang Liu, Zhaoguo He, Zhiyong Wu   +3 more
doaj   +1 more source

A new climatological electron density model for supporting space weather services

Journal of Space Weather and Space Climate, 2022
The ionosphere is the ionized part of the Earth’s atmosphere, ranging from about 60 km up to several Earth radii, whereas the upper part above about 1000 km height up to the plasmapause is usually called the plasmasphere.
Hoque Mohammed Mainul, Jakowski Norbert, Prol Fabricio S.   +2 more
doaj   +1 more source

Whistlers in the Plasmasphere

Journal of Geophysical Research: Space Physics, 2021
AbstractWe study packages of VLF whistler‐mode waves observed by the Van Allen Probes satellites in the equatorial plasmasphere. We demonstrate that the main mechanism providing localization of these waves inside relatively broad (>1 RE across the ambient magnetic field) magnetospheric regions is a combined effect of the transverse gradients in the ...
openaire   +2 more sources