Quantitative Modeling Of Magnetospheric Processes
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Quantitative Modeling Of Magnetospheric Processes
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Author : Willard Paul Olson
language : en
Publisher: American Geophysical Union
Release Date : 1979
Quantitative Modeling Of Magnetospheric Processes written by Willard Paul Olson and has been published by American Geophysical Union this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with Magnetosphere categories.
Effects Of Asymmetric Magnetospheric Currents On Cosmic Radiation
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Author : Erwin O. Flückiger
language : en
Publisher:
Release Date : 1982
Effects Of Asymmetric Magnetospheric Currents On Cosmic Radiation written by Erwin O. Flückiger and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with Cosmic rays categories.
Up to now, most studies were carried out assuming azimuthally symmetric currents, neglecting the well established longitudinal asymmetry in the geomagnetic disturbance at low- and mid-latitudes during magnetic storms. The asymmetric perturbations superposed upon a symmetric field depression has been attributed by several authors to a a longitudinally limited, partial ring current with field aligned closure through the auroral ionosphere (Cummings; Fukushima and Kamide; and references therein). It has been the objective of the research covered by this report to study the effects of such magnetospheric current systems on the propagation of cosmic ray particles through the domain of the earth's magnetosphere. The corresponding results were expected to demonstrate the significance of cosmic ray measurements as an additional tool for magnetospheric studies, especially in modeling the disturbed magnetic field in the magnetosphere. In this report, first the approach to the problem is reviewed in Section 2, and examples of the basic tools needed in the procedure are illustrated in Section 3. Then, in Section 4, the results of a simple study correlating local perturbations in the geomagnetic field with cosmic ray cutoff rigidity variations are discussed. Section 5 contains a summary of a detailed quantitative analysis on the effects of a partial ring current and of field-aligned currents on both cutoff rigidities and asymptotic directions in different latitude regions. In conclusions, the significance of the results obtained in the entire study is discussed in Section 6 for both magnetospheric and cosmic ray research.
The Upper Atmosphere
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Author : Walter Dieminger
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
The Upper Atmosphere written by Walter Dieminger and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
Especially due to the increasing environmental problems there is a need to collect as many data as possible in the upper atmosphere. This book serves as a general multidisciplinary guide and introduction for a more effective use of the large amount of now available data from the Earth's atmosphere. It also shows the problems of the use of large amounts of time series data - for basic science as well as for environmental monitoring - and the related information systems. The book is aimed for scientists and students interested in the Earth's atmosphere which is vital for the understanding of environmental changes in the global system Earth.
Modeling Magnetospheric Plasma
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Author : T. E. Moore
language : en
Publisher: American Geophysical Union
Release Date : 1988
Modeling Magnetospheric Plasma written by T. E. Moore and has been published by American Geophysical Union this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Science categories.
Published by the American Geophysical Union as part of the Geophysical Monograph Series, Volume 44. Existing models of the plasma distribution and dynamics in magnetosphere / ionosphere systems form a patchwork quilt of different techniques and boundaries chosen to define tractable problems. With increasing sophistication in both observational and modeling techniques has come the desire to overcome these limitations and strive for a more unified description of these systems. On the observational side, we have recently acquired routine access to diagnostic information on the lowest energy bulk plasma, completing our view of the plasma and making possible comparisons with magnetohydrodynamic calculations of plasma moments. On the theoretical side, rising computational capabilities and shrewdly designed computational techniques have permitted the first attacks on the global structure of the magnetosphere. Similar advances in the modeling of neutral atmospheric circulation suggest an emergent capability to globally treat the coupling between plasma and neutral gases. Simultaneously, computer simulation has proven to be a very useful tool for understanding magnetospheric behaviors on smaller space and time scales.
Quantitative Aspects Of Magnetospheric Physics
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Author : Larry R. Lyons
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-03-09
Quantitative Aspects Of Magnetospheric Physics written by Larry R. Lyons and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-09 with Science categories.
The discovery of the earth's radiation belts in 1957 marked the beginning of what is now known as magnetospheric physics. The field has evolved normally from an early discovery phase through a period of exploration and into an era of quantitative studies of the dynamics of magnetized plasmas as they occur in nature. Such environments are common throughout the universe and have been studied in varying detail at the sun, the planets, pulsars, and certain radio galaxies. The purpose of this book is to describe basic quantitative aspects of magnetospheric physics. We use selected examples from the earth's magnetosphere to show how theory and data together form a quantitative framework for magnetospheric research. We have tried to organize the material along the philosophy of starting simply and adding com plexity only as necessary. We have avoided controversial and relatively new research topics and have tried to use as examples physical processes generally accepted as important within the earth's magnetospheric system. However, even in some of our examples, the question of whether the physical process applied to a particular problem is the dominant process, has yet to be answered.
Geomagnetism
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Author : John A. Jacobs
language : en
Publisher: Elsevier
Release Date : 2016-01-22
Geomagnetism written by John A. Jacobs and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-01-22 with Science categories.
Geomagnetism, Volume 4 focuses on the processes, methodologies, technologies, and approaches involved in geomagnetism, including electric fields, solar wind plasma, pulsations, and gravity waves. The selection first offers information on solar wind, magnetosphere, and the magnetopause of the Earth. Discussions focus on magnetopause structure and transfer processes, magnetosphere electric fields, geomagnetically trapped radiation, microstructure of the solar wind plasma, and hydro magnetic fluctuations and discontinuities. The text then examines geomagnetic tail, neutral upper atmosphere, and geomagnetic pulsations and plasma waves in the Earth's magnetosphere. Topics include plasma waves and instabilities in the magnetosphere, waves in a magneto plasma, gravity waves, atmospheric tides, balance equations for mass, momentum and energy, and absorption of solar and particle radiation. The publication takes a look at auroras and physical processes producing magnetosphere substorms and magnetic storms, including aurora theory and morphology, structure of the magnetosphere, and models of magnetosphere substorms. The selection is a valuable source of data for researchers wanting to explore geomagnetism. Covers upper atmosphere physics, the magnetosphere, and solar wind Expert team of contributors from all over the world The fourth volume of the only comprehensive treatise covering all aspects of geomagnetism
Ring Current Investigations
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Author : Vania K. Jordanova
language : en
Publisher: Elsevier
Release Date : 2020-06-18
Ring Current Investigations written by Vania K. Jordanova and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-06-18 with Science categories.
Ring Current Investigations offers a comprehensive description of ring current dynamics in the Earth’s magnetosphere as part of the coupled magnetosphere-ionosphere system. In order to help researchers develop a deeper understanding of the fundamental physics of geomagnetic storms, it includes a detailed description of energetic charged particles injection, trapping, and loss. It reviews historical and recent advances in observations, measurements, theory and simulations of the inner magnetosphere and its coupling to the ionosphere and other surrounding plasma populations. In addition, it compares the physics of ring currents at other strongly magnetized planets in the solar system, specifically Jupiter, Saturn, Uranus and Neptune, with the ring current system at Earth. Providing a description of the most important space weather effects driven by inner magnetospheric energetic particles during geomagnetic storms and present capabilities for their nowcast and forecast, Ring Current Investigations is an important reference for researchers in geophysics and space science, especially related to plasma physics, the ionosphere and magnetosphere, solar-terrestrial relations, and spacecraft anomalies. Includes an appendix with links to downloadable video clips, illustrating features of ring current and geomagnetic storm dynamics Provides overview of existing state-of-the-art numerical models and links for open-source code downloads Offers guidance on how to develop numerical models within the context of the present-day understanding
Earth S Magnetospheric Processes
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Author : Billy McCormac
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Earth S Magnetospheric Processes written by Billy McCormac and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
This book contains the lectures presented at the Summer Advanced Institute and Ninth ESRO Summer School which was held in Cortina, Italy, during the period August 30 through September 10, 1971. One hundred seventy-nine persons from eight een different countries attended. The authors and the publisher have made a special effort for rapid publication of an up-to-date status of the particles, fields, and processes in the earth's magnetosphere, which is an ever changing area. Special thanks are due to the lecturers for their diligent preparation and excellent presentations. The individual lectures and the published papers were deliberately limited; the author's cooperation in conforming to these specifications is greatly appreciated. The contents of the book are organized by sub ject area rather than in the order in which papers were presented during the Institute/ School. Many thanks are due to Drs J. Ronald Burrows, James W. Dungey, Harry Elliot, Roger Gendrin, Edward W. Hones, Jr. , Reimar Liist, and J. Ortner who served as session chairmen during the Institute and contributed greatly to its success by skill fully directing the discussion period in a stimulating manner after each lecture. Many persons contributed to the success of the Institute/School. The co-chairman, Dr Reimar Liist, was most helpful during all phases of the preparation and planning. Drs J. Ronald Burrows, Harry Elliot, Carl-Gunne Fiilthammar, M. Giorgi, J. Ortner, J. R. U. Page, Alois Schardt, James A. Van Allen, and Martin Walt were especially helpful in preparing the technical program.
The Ae 8 Trapped Electron Model Environment
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Author : James I. Vette
language : en
Publisher:
Release Date : 1991
The Ae 8 Trapped Electron Model Environment written by James I. Vette and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Solar radiation categories.
Space Physics
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Author : May-Britt Kallenrode
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-03-09
Space Physics written by May-Britt Kallenrode and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-09 with Science categories.
Observations and physical concepts are interwoven to give basic explanations of phenomena and also show the limitations in these explanations and identify some fundamental questions. Compared to conventional plasma physics textbooks this book focuses on the concepts relevant in the large-scale space plasmas. It combines basic concepts with current research and new observations in interplanetary space and in the magnetospheres. Graduate students and young researchers starting to work in this special field of science, will find the numerous references to review articles as well as important original papers helpful to orientate themselves in the literature. Emphasis is on energetic particles and their interaction with the plasma as examples for non-thermal phenomena, shocks and their role in particle acceleration as examples for non-linear phenomena. This second edition has been updated and extended. Improvements include: the use of SI units; addition of recent results from SOHO and Ulysses; improved treatment of the magnetosphere as a dynamic phenomenon; text restructured to provide a closer coupling between basic physical concepts and observed complex phenomena.
