Radiation Belt Dynamics Theory Observation And Modeling
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Radiation Belt Dynamics Theory Observation And Modeling
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Author : Qianli Ma
language : en
Publisher: Frontiers Media SA
Release Date : 2024-12-12
Radiation Belt Dynamics Theory Observation And Modeling written by Qianli Ma and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-12-12 with Science categories.
The radiation belts of the Earth and other magnetized planets are populated by relativistic particles which are highly dynamic due to various source and loss processes. Although the Earth's intrinsic magnetic fields trap charged particles, the satellite observations revealed that the outer radiation belt fluxes are strongly affected by solar wind and geomagnetic activities. The direct drivers of the radiation belt variability are radial diffusion due to ultra-low frequency waves, and local wave-particle interactions due to whistler-mode waves, electron cyclotron waves and ion cyclotron waves. Quasilinear and nonlinear theories were developed to demonstrate and quantify the importance of each process in the radiation belt dynamics. Numerical simulations generally reproduce the overall source and loss of radiation belt particles, but detailed quantification of the observed features is challenging. Machine learning technique is proved as a useful tool in reproducing and forecasting the particle fluxes in radiation belts.
Dynamics Of The Earth S Radiation Belts And Inner Magnetosphere
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Author : Danny Summers
language : en
Publisher: John Wiley & Sons
Release Date : 2013-05-09
Dynamics Of The Earth S Radiation Belts And Inner Magnetosphere written by Danny Summers and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-05-09 with Science categories.
Published by the American Geophysical Union as part of the Geophysical Monograph Series, Volume 199. Dynamics of the Earth's Radiation Belts and Inner Magnetosphere draws together current knowledge of the radiation belts prior to the launch of Radiation Belt Storm Probes (RPSP) and other imminent space missions, making this volume timely and unique. The volume will serve as a useful benchmark at this exciting and pivotal period in radiation belt research in advance of the new discoveries that the RPSP mission will surely bring. Highlights include the following: a review of the current state of the art of radiation belt science; a complete and up-to-date account of the wave-particle interactions that control the dynamical acceleration and loss processes of particles in the Earth's radiation belts and inner magnetosphere; a discussion emphasizing the importance of the cross-energy coupling of the particle populations of the radiation belts, ring current, and plasmasphere in controlling the dynamics of the inner magnetosphere; an outline of the design and operation of future satellite missions whose objectives are to discover the dominant physical processes that control the dynamics of the Earth's radiation belts and to advance our level of understanding of radiation belt dynamics ideally to the point of predictability; and an examination of the current state of knowledge of Earth's radiation belts from past and current spacecraft missions to the inner magnetosphere. Dynamics of the Earth's Radiation Belts and Inner Magnetosphere will be a useful reference work for the specialist researcher, the student, and the general reader. In addition, the volume could be used as a supplementary text in any graduate-level course in space physics in which radiation belt physics is featured.
The Dynamic Loss Of Earth S Radiation Belts
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Author : Allison Jaynes
language : en
Publisher: Elsevier
Release Date : 2019-09-05
The Dynamic Loss Of Earth S Radiation Belts written by Allison Jaynes and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-09-05 with Science categories.
The Dynamic Loss of Earth's Radiation Belts: From Loss in the Magnetosphere to Particle Precipitation in the Atmosphere presents a timely review of data from various explorative missions, including the Van Allen Probes, the Magnetospheric Multiscale Mission (which aims to determine magnetopause losses), the completion of four BARREL balloon campaigns, and several CubeSat missions focusing on precipitation losses. This is the first book in the area to include a focus on loss, and not just acceleration and radial transport. Bringing together two communities, the book includes contributions from experts with knowledge in both precipitation mechanisms and the effects on the atmosphere. There is a direct link between what gets lost in the magnetospheric radiation environment and the energy deposited in the layers of our atmosphere. Very recently, NASA's Living With a Star program identified a new, targeted research topic that addresses this question, highlighting the timeliness of this precise science. The Dynamic Loss of Earth's Radiation Belts brings together scientists from the space and atmospheric science communities to examine both the causes and effects of particle loss in the magnetosphere. - Examines both the causes and effects of particle loss in the magnetosphere from multiple perspectives - Presents interdisciplinary content that bridges the gap, through communication and collaboration, between the magnetospheric and atmospheric communities - Fills a gap in the literature by focusing on loss in the radiation belt, which is especially timely based on data from the Van Allen Probes, the Magnetospheric Multiscale Mission, and other projects - Includes contributions from various experts in the field that is organized and collated by a clear-and-consistent editorial team
Energy Research Abstracts
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Author :
language : en
Publisher:
Release Date : 1989
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 1989 with Power resources categories.
Particle Diffusion In The Radiation Belts
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Author : M. Schulz
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Particle Diffusion In The Radiation Belts written by M. Schulz 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.
The advent of artificial earth satellites in 1957-58 opened a new dimension in the field of geophysical exploration. Discovery of the earth's radiation belts, consisting of energetic electrons and ions (chiefly protons) trapped by the geomagnetic field, followed almost immediately [1,2]' This largely unexpected development spurred a continuing interest in magnetospheric exploration, which so far has led to the launching of several hundred carefully instrumented spacecraft. Since their discovery, the radiation belts have been a subject of intensive theoretical analysis also. Over the years, a semiquantitative understanding of the governing dynamical processes has gradually evol ved. The underlying kinematical framework of radiation-belt theory is given by the adiabatic theory of charged-particle motion [3J, and the interesting dynamical phenomena are associated with the violation of one or more of the kinematical invariants of adiabatic motion. Among the most important of the operative dynamical processes are those that act in a stochastic manner upon the radiation-belt particles. Such stochastic processes lead to the diffusion of particle distributions with respect to the adiabatic invariants. The observational data indicate that some form of particle diffusion plays an essential role in virtually every aspect of the radiation belts.
Handbook Of Geophysics And Space Environments
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Author : U.S. Air Force Geophysics Laboratory
language : en
Publisher:
Release Date : 1985
Handbook Of Geophysics And Space Environments written by U.S. Air Force Geophysics Laboratory and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with Geophysics categories.
Coupled Feedback Mechanisms In The Magnetosphere Ionosphere System
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Author : Scott Alan Thaller
language : en
Publisher: Frontiers Media SA
Release Date : 2022-11-14
Coupled Feedback Mechanisms In The Magnetosphere Ionosphere System written by Scott Alan Thaller and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-11-14 with Science categories.
Physics Of Earth S Radiation Belts
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Author : Hannu E. J. Koskinen
language : en
Publisher: Springer Nature
Release Date : 2021-10-30
Physics Of Earth S Radiation Belts written by Hannu E. J. Koskinen and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-10-30 with Science categories.
This open access book serves as textbook on the physics of the radiation belts surrounding the Earth. Discovered in 1958 the famous Van Allen Radiation belts were among the first scientific discoveries of the Space Age. Throughout the following decades the belts have been under intensive investigation motivated by the risks of radiation hazards they expose to electronics and humans on spacecraft in the Earth’s inner magnetosphere. This textbook teaches the field from basic theory of particles and plasmas to observations which culminated in the highly successful Van Allen Probes Mission of NASA in 2012-2019. Using numerous data examples the authors explain the relevant concepts and theoretical background of the extremely complex radiation belt region, with the emphasis on giving a comprehensive and coherent understanding of physical processes affecting the dynamics of the belts. The target audience are doctoral students and young researchers who wish to learn about the physical processes underlying the acceleration, transport and loss of the radiation belt particles in the perspective of the state-of-the-art observations.
Nuclear Science Abstracts
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Author :
language : en
Publisher:
Release Date : 1976
Nuclear Science 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 1976 with Nuclear energy categories.
Plasma Waves In Space Physics Carrying On The Research Legacies Of Peter Gary And Richard Thorne
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Author : Joseph E. Borovsky
language : en
Publisher: Frontiers Media SA
Release Date : 2023-03-28
Plasma Waves In Space Physics Carrying On The Research Legacies Of Peter Gary And Richard Thorne written by Joseph E. Borovsky and has been published by Frontiers Media SA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-03-28 with Science categories.