Results 11 to 20 of about 221 (134)

Pre‐Existing Plasmaspheric Density Structure

open access: yesGeophysical Research Letters
We perform a basic model experiment: we run two nearly identical plasmapause simulations, differing only by their initial conditions. The first run contains initial fine‐scale and mesoscale structure, and the second run is initialized with a featureless,
J. Goldstein, M. F. Thomsen
doaj   +2 more sources

A new perspective and explanation for the formation of plasmaspheric shoulder structures [PDF]

open access: yesAnnales Geophysicae, 2021
Over the hours of 05:00–09:00 UT on 8 June 2001, the extreme ultraviolet (EUV) instrument on board the IMAGE satellite observed a shoulder-like formation in the morning sector and a post-noon plume-like structure.
H. Zhang, G. Peng, C. Shen, Y. Wu
doaj   +1 more source

Ionospheric and magnetospheric “plasmapauses” [PDF]

open access: yesPlanetary and Space Science, 1978
Abstract During August 1972, Explorer 45 orbiting near the equatorial plane with an apogee of ∼5.2 R e traversed magnetic field lines in close proximity to those simultaneously traversed by the topside ionospheric satellite ISIS 2 near dusk in the L range 2.0–5.4.
Joseph M. Grebowsky   +2 more
openaire   +1 more source

Plasmapause formation at Saturn [PDF]

open access: yesJournal of Geophysical Research: Space Physics, 2015
AbstractCassini observations during a rapid, high‐latitude, dawnside pass from Saturn's lobe to inner magnetosphere on 25 June 2009 provide strong evidence for the formation of a “plasmapause” at Saturn by Vasyliunas‐type nightside reconnection of previously mass‐loaded flux tubes.
M. F. Thomsen   +5 more
openaire   +4 more sources

Whistler propagation in the plasmapause [PDF]

open access: yesJournal of Geophysical Research: Space Physics, 2013
Variations in plasma density and magnetic field have a strong effect on the propagation of very low frequency waves in the whistler mode. Numerous studies have established that field‐aligned density irregularities (sometimes called ducts) symmetrical relative their axis can effectively guide whistlers along the ambient magnetic field. In this paper, we
J.R. Woodroffe, A.V. Streltsov
openaire   +1 more source

Remote sensing the plasmasphere, plasmapause, plumes and other features using ground-based magnetometers

open access: yesJournal of Space Weather and Space Climate, 2014
The plasmapause is a highly dynamic boundary between different magnetospheric particle populations and convection regimes. Some of the most important space weather processes involve wave-particle interactions in this region, but wave properties may also ...
Menk Frederick   +7 more
doaj   +1 more source

Statistics and Empirical Models of the Plasmasphere Boundaries From the Van Allen Probes for Radiation Belt Physics

open access: yesGeophysical Research Letters, 2022
We deduce the electron plasma density from the NASA Van Allen Probes Electric Field and Waves and Electric and Magnetic Field Instrument Suite and Integrated Science measurements and extract the plasmasphere boundaries throughout 2012–2019.
J.‐F. Ripoll   +7 more
doaj   +1 more source

Plasmapause surface wave oscillates the magnetosphere and diffuse aurora

open access: yesNature Communications, 2020
Theoretical studies suggested that plasmapause surface waves related to the sharp inhomogeneity exist and act as a source of geomagnetic pulsations.
Fei He   +15 more
doaj   +1 more source

Proposal for an ionosphere/plasmasphere monitoring system [PDF]

open access: yesAnnales Geophysicae, 1994
A space-based satellite system suited for long-term monitoring of the Earth's ionosphere/plasmasphere systems is proposed. The monitoring system consists of a network of radio beacon satellites capable of measuring the ionospheric and plasmaspheric ...
N. Jakowski, H.-D. Bettac
doaj   +1 more source

The distribution of plasmaspheric hiss wave power with respect to plasmapause location

open access: yesGeophysical Research Letters, 2016
In this work, Van Allen Probes data are used to derive terrestrial plasmaspheric hiss wave power distributions organized by (1) distance away from the plasmapause and (2) plasmapause distance from Earth.
David M. Malaspina   +7 more
doaj   +1 more source

Home - About - Disclaimer - Privacy