Electrostatic Ion Cyclotron Plasma Instabilities In A Two Fluid Hydrodynamic Theory

Author : James L. Horwitz
Publisher : American Geophysical Union
ISBN 13 : 0875900755
Total Pages : 305 pages
Book Rating : 4.8/5 (759 download)

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Download or read book Cross-Scale Coupling in Space Plasmas written by James L. Horwitz and published by American Geophysical Union. This book was released on 1995-01-09 with total page 305 pages. Available in PDF, EPUB and Kindle. Book excerpt: Published by the American Geophysical Union as part of the Geophysical Monograph Series, Volume 93. A principal goal of space plasma researchers is to understand the influence of various transport processes on each other, even when such processes operate at widely varying spatial and temporal scales. We know that large-scale plasma flows in space lead to unstable conditions with small spatial (centimeters to meters) and temporal (microseconds to seconds) scales. The large-scale flows, for example in the magnetosphere-ionosphere system, involve scale lengths of kilometers to several Earth radii and temporal scales of minutes to hours. We must know specific contextual answers to the questions: Do the small-scale waves (microprocesses) modify the large-scale flows? Do these modifications significantly affect the transport of mass, momentum, and energy? How can such coupling processes and their influences be revealed observationally? And, perhaps most challenging of all, how do we incorporate the microprocesses into theoretical models of larger-scale space plasma transport?