Results 181 to 190 of about 5,534 (208)

Whistlers observed outside the plasmasphere: Correlation to plasmaspheric/plasmapause features

Journal of Geophysical Research: Space Physics, 2015
AbstractWhistlers observed outside the plasmasphere by Cluster have been correlated with the global plasmasphere using Imager for Magnetopause‐to‐Aurora Global Exploration‐Extreme Ultraviolet Imager (IMAGE‐EUV) observations. Of the 12 Cluster‐observed whistler events reported, EUV is able to provide global imaging of the plasmasphere for every event ...
M. L. Adrian, S. F. Fung, D. L. Gallagher, J. L. Green   +3 more
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Jovian plasmaspheres

Journal of Geophysical Research: Space Physics, 1978
Plasmaspheres within the Jovian magnetosphere can arise from three distinct types of processes: (1) by a photoelectron (positive ion) flux from the planetary ionosphere (the source type of earth's plasmasphere), (2) by ionization of the atmospheres and neutral particle tori of the satellites, and (3) by ionization of the neutral interstellar medium ...
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Plasmasphere electron temperature structures

Advances in Space Research, 2004
Abstract Inspection of electron temperature ( T e ) profiles obtained by the thermal electron detector instrument along 5676 individual orbits of the Akebono satellite reveal the existence of localized structures with a latitude extent of 1–3 θ . The analysis was constrained to the range 2  L T e at least 20% above the background level.
I. Kutiev, K.-I. Oyama, S. Watanabe, T. Abe, A. Kumamoto   +4 more
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The Earth's Plasmasphere

1998
This is the first monograph to describe the historical development of ideas concerning the plasmasphere by the pioneering researchers themselves. The plasmasphere is a cold thermal plasma cloud encircling the Earth, terminating abruptly at a radial distance of 30,000 km over a sharp discontinuity known as the plasmapause.
J. F. Lemaire, K. I. Gringauz, D. L. Carpenter, V. Bassolo   +3 more
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Latitude-Dependent Plasmasphere Oscillations

The Physics of Fluids, 1967
For a perfectly conducting plasma magnetized by a dipole field, the magnetohydrodynamic toroidal mode describes waves which propagate energy along the field lines. This characteristic causes the resonance oscillations of this mode to be strongly latitude-dependent. The periods of these oscillations are determined for a generalized plasma density of the
Robert L. Carovillano, Henry R. Radoski
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The formation plasmaspheric tails

Physics and Chemistry of the Earth, Part C: Solar, Terrestrial & Planetary Science, 2000
Abstract The observations of ripples in the plasmapause surface, of attached plasmatails and detached cold plasma elements are recalled. The mechanisms proposed for the formation of plasmatails and of detached plasma elements are also recalled. In this contribution we describe an alternative mechanism which fits currently available observations. This
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Poloidal Hydromagnetic Plasmaspheric Resonances

The Physics of Fluids, 1966
Under conditions of axisymmetry, the vector hydromagnetic wave equation of an infinitely conducting, stationary plasma permeated by a magnetic dipole field decouples into independent toroidal and poloidal modes. A general treatment is provided of the poloidal mode for a wide variety of radial and latitude-dependent plasma densities.
R. L. Carovillano, H. R. Radoski, J. F. McClay   +2 more
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Plasmaspheric whistler duct positions

Journal of Atmospheric and Terrestrial Physics, 1977
Abstract More than 3000 whistlers recorded at four New Zealand stations between invariant latitudes 47° and 80° have been analysed by whistler extrapolation to determine the equatorial L-value of ducts (L-duct). A detailed analysis is given of the accuracy of the results. Most of the whistlers are observed on ducts in the range L = 2.6 to 3.6 (Λ = 55
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The Earth’s Plasmasphere

2009
Preface.- Foreword.- CLUSTER and IMAGE: New Ways to Study the Earth's Plasmasphere.- Plasmaspheric Density Structures and Dynamics: Properties Observed by the CLUSTER and IMAGE Missions.- Electric Fields and Magnetic Fields in the Plasmasphere: A Perspective from CLUSTER and IMAGE.- Advances in Plasmaspheric Wave Research with CLUSTER and IMAGE ...
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Convective instabilities in the plasmasphere

Journal of Atmospheric and Solar-Terrestrial Physics, 2006
Abstract According to observations, the averaged slope of the equatorial plasma density distribution is nearly constant ( d ln n / d L = - 0.724 ) during very quiet geomagnetic activity from L = 2 to L > 7 , and even smaller ( d ln n / d L = - 1.5 ) during more typical quiet activity.
N. André, J.F. Lemaire
openaire   +1 more source