Polar Cap Boundary Phenomena

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Polar Cap Boundary Phenomena

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Author : Jøran Moen
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06

Polar Cap Boundary Phenomena written by Jøran Moen 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.

These proceedings are based on the invited talks and selected research reports presented at the NATO Advanced Study Institute (ASI) on "POLAR CAP BOUNDARY PHENOMENA" held at Longyearbyen, Svalbard, June 4 - 13, 1997. The role of the polar cap and its boundary is very substantial in solar-terrestrial physics. At this NATO AS! a major change in thinking on the "cusp" precipitation region in the high-latitude days ide upper atmosphere was reflected, at least for intervals when the interplanetary magnetic field (IMF) is directed southward. It is likely that this has implications for northward IMF as well. The change comes from the now almost complete acceptance of the concept of magnetosheath particle entry along open magnetic field lines and the evolution of the precipitation into the upper atmosphere with time elapsed since magnetic reconnection which opened the field line. A key prediction of this view is that the low-latitude boundary layer (LLBL) is on open field lines.

Dayside And Polar Cap Aurora

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Author : Per Even Sandholt
language : en
Publisher: Springer Science & Business Media
Release Date : 2006-05-02

Dayside And Polar Cap Aurora written by Per Even Sandholt 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 2006-05-02 with Science categories.

The auroral emissions in the upper atmosphere of the polar regions of the Earth are evidence of the capture of energetic particles from the Sun, streaming by the Earth as the solar wind. These auroral emissions, then, are a window to outer space, and can provide us with valuable information about electrodynamic coupling processes between the solar wind and the Earth's ionosphere and upper atmosphere. Studying the physics of these phenomena extends our understanding of our plasma universe. Ground-based remote-sensing techniques, able to monitor continuously the variations in the signatures of aurorae, in combination with in-situ satellite and rocket measurements, promise to advance dramatically our understanding of the physical processes taking place at the interface of the atmospheres of the Earth and the Sun. Decoding their complexity brings us closer to reliable prediction of communication environments, especially at high latitudes. This understanding, in turn, will help us resolve problems of communication and navigation across polar regions.

Polar Cap And Polar Cap Boundary Phenomena

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Author :
language : en
Publisher:
Release Date : 2009

Polar Cap And Polar Cap Boundary Phenomena written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with categories.

This report results from a contract tasking University of Oslo as follows: Under this proposal we give technical support for year around operation of two scintillation receivers. The two receiver systems are located at Longyearbyen (78.92 deg N, 11.95 deg E, 76.07 CGMLat) and Ny-Alesund (78.20 deg N, 15.82 deg E, 75.12 CGMLat), both stations on Svalbard. These receivers provide stereo observations of irregularities in the vicinity of the auroral oval and inside the polar cap. Both receivers are operated remotely and data are transferred to AFRL via our computer network. We also support AFRL's operation of an allsky imager at Ny-Alesund.

Planetary Atmospheric Electricity

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Author : François Leblanc
language : en
Publisher: Springer Science & Business Media
Release Date : 2008-12-04

Planetary Atmospheric Electricity written by François Leblanc 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 2008-12-04 with Science categories.

This book is a comprehensive discussion of all issues related to atmospheric electricity in our solar system. It details atmospheric electricity on Earth and other planets and discusses the development of instruments used for observation.

The Magnetospheric Cusps Structure And Dynamics

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Author : Theodore A. Fritz
language : en
Publisher: Springer Science & Business Media
Release Date : 2006-02-23

The Magnetospheric Cusps Structure And Dynamics written by Theodore A. Fritz 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 2006-02-23 with Science categories.

This collection of papers will address the question "What is the Magnetospheric Cusp?" and what is its role in the coupling of the solar wind to the magnetosphere as well as its role in the processes of particle transport and energization within the magnetosphere. The cusps have traditionally been described as narrow funnel-shaped regions that provide a focus of the Chapman-Ferraro currents that flow on the magnetopause, a boundary between the cavity dominated by the geomagnetic field (i.e., the magnetosphere) and the external region of the interplanetary medium. Measurements from a number of recent satellite programs have shown that the cusp is not confined to a narrow region near local noon but appears to encompass a large portion of the dayside high-latitude magnetosphere and it appears that the cusp is a major source region for the production of energetic charged particles for the magnetosphere. Audience: This book will be of interest to space science research organizations in governments and industries, the community of Space Physics scientists and university departments of physics, astronomy, space physics, and geophysics.

Sun Earth Plasma Connections

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Author : James L. Burch
language : en
Publisher: American Geophysical Union
Release Date : 1999-01-26

Sun Earth Plasma Connections written by James L. Burch 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 1999-01-26 with Science categories.

Published by the American Geophysical Union as part of the Geophysical Monograph Series, Volume 109. The Sun and the terrestrial magnetosphere have been the subjects of active research since the dawn of the space age. The capabilities of observing both systems with greater and greater detail evolved separately until the 1980s, when it was realized that definitive results on the connection between the Earth and the Sun would require a concerted and joint effort. It was also realized that sophisticated solar-terrestrial research communities existed within all the space-faring nations of the world and that no one of them could launch such an effort by itself. This realization led to the creation of the International Solar-Terrestrial Physics (ISTP) program, which now comprises at least 12 spacecraft and includes extensive ground-based observations and theory and modeling efforts.

Energy Research Abstracts

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Author :
language : en
Publisher:
Release Date : 1990

Energy Research Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Power resources categories.

Proceedings Of The International Symposium On Environmental Research In The Antarctic 3 4 December 1996 Tokyo

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Author : Mitsuo Fukuchi
language : en
Publisher:
Release Date : 1998

Proceedings Of The International Symposium On Environmental Research In The Antarctic 3 4 December 1996 Tokyo written by Mitsuo Fukuchi and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Antarctica categories.

Scientific And Technical Aerospace Reports

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Author :
language : en
Publisher:
Release Date : 1992

Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Aeronautics categories.

Cross Scale Coupling And Energy Transfer In The Magnetosphere Ionosphere Thermosphere System

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Author : Yukitoshi Nishimura
language : en
Publisher: Elsevier
Release Date : 2021-12-07

Cross Scale Coupling And Energy Transfer In The Magnetosphere Ionosphere Thermosphere System written by Yukitoshi Nishimura and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-12-07 with Science categories.

Cross-Scale Coupling and Energy Transfer in the Magnetosphere-Ionosphere-Thermosphere System provides a systematic understanding of Magnetosphere-Ionosphere-Thermosphere dynamics. Cross-scale coupling has become increasingly important in the Space Physics community. Although large-scale processes can specify the averaged state of the system reasonably well, they cannot accurately describe localized and rapidly varying structures in space in actual events. Such localized and variable structures can be as intense as the large-scale features. This book covers observations on quantifying coupling and energetics and simulation on evaluating impacts of cross-scale processes. It includes an in-depth review and summary of the current status of multi-scale coupling processes, fundamental physics, and concise illustrations and plots that are usable in tutorial presentations and classrooms. Organized by physical quantities in the system, Cross-Scale Coupling and Energy Transfer in the Magnetosphere-Ionosphere-Thermosphere System reviews recent advances in cross-scale coupling and energy transfer processes, making it an important resource for space physicists and researchers working on the magnetosphere, ionosphere, and thermosphere. - Describes frontier science and major science around M-I-T coupling, allowing for foundational understanding of this emerging field in space physics - Reviews recent and key findings in the cutting-edge of the science - Discusses open questions and pathways for understanding how the field is evolving