Physics of Magnetospheric Substorms

Physics of Magnetospheric Substorms PDF Author: Syun-Ichi Akasofu
Publisher: Springer Science & Business Media
ISBN: 9401011648
Category : Science
Languages : en
Pages : 620

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Book Description
Man, through intensive observations of natural phenomena, has learned about some of the basic principles which govern nature. The aurora is one of the most fascinating of these natural phenomena, and by studying it, man has just begun to comprehend auroral phenomena in terms of basic cosmic electrodynamic processes. The systematic and extensive observation of the aurora during and after the great international enterprise, the International Geophysical Year (lGY), led to the concept of the auroral substorm. Like many other geophysical phenomena, auroral displays have a dual time (universal- and local-time) dependence when seen by a ground-based observer. Thus, it was a difficult task for single observers, rotating with the Earth once a day, to grasp a transient feature of a large-scale auroral display. Such a complexity is inevitable in studying many geophysical features, in particular the polar upper atmospheric phenomena. However, it was found that their complexity began to unfold when the concept of the auroral substorm was introduced. In a book entitled Polar and Magnetospheric Substorms, the predeces sor to this book, I tried to describe the auroral phenomena as completely as possible in terms of the concept of the auroral substorm. At that time, the first satellite observations of particles and magnetic fields during substorms were just becoming available, and it was suggested that the auroral sub storm is a manifestation of a magnetospheric phenomenon called the magnetospheric substorm.

Physics of Magnetospheric Substorms

Physics of Magnetospheric Substorms PDF Author: Syun-Ichi Akasofu
Publisher: Springer Science & Business Media
ISBN: 9401011648
Category : Science
Languages : en
Pages : 620

Get Book Here

Book Description
Man, through intensive observations of natural phenomena, has learned about some of the basic principles which govern nature. The aurora is one of the most fascinating of these natural phenomena, and by studying it, man has just begun to comprehend auroral phenomena in terms of basic cosmic electrodynamic processes. The systematic and extensive observation of the aurora during and after the great international enterprise, the International Geophysical Year (lGY), led to the concept of the auroral substorm. Like many other geophysical phenomena, auroral displays have a dual time (universal- and local-time) dependence when seen by a ground-based observer. Thus, it was a difficult task for single observers, rotating with the Earth once a day, to grasp a transient feature of a large-scale auroral display. Such a complexity is inevitable in studying many geophysical features, in particular the polar upper atmospheric phenomena. However, it was found that their complexity began to unfold when the concept of the auroral substorm was introduced. In a book entitled Polar and Magnetospheric Substorms, the predeces sor to this book, I tried to describe the auroral phenomena as completely as possible in terms of the concept of the auroral substorm. At that time, the first satellite observations of particles and magnetic fields during substorms were just becoming available, and it was suggested that the auroral sub storm is a manifestation of a magnetospheric phenomenon called the magnetospheric substorm.

Polar and Magnetospheric Substorms

Polar and Magnetospheric Substorms PDF Author: Syun-Ichi Akasofu
Publisher: Springer Science & Business Media
ISBN: 9401034613
Category : Science
Languages : en
Pages : 293

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Book Description
It has become increasingly clear that the magnetosphere becomes intermittently unstable and explosively releases a large amount of energy into the polar upper atmos phere. This particular magnetospheric phenomenon is called the magnetospheric sub storm. It is manifested as an activity or disturbance ofvarious polar upper atmospheric phenomena, such as intense auroral displays and X-ray bursts. Highly active conditions in the polar upper atmosphere result from a successive occurrence of such an element ary activity, the polar substorm, which lasts typically of order one to three hours. The concept of the magnetospheric substorm and its manifestation in the polar upper atmosphere, the polar substorm, has rapidly crystallized during the last few years. We can find a hint of such a concept in the term 'polar elementary storm' introduced by Kristian Birkeland as early as 1908. However, we are greatly indebted to Sydney Chapman, who established the basic foundation of magnetospheric physics and has led researches in this field during the last half century. Indeed, the terms 'polar magnetic substorm' and 'auroral substorm' were first suggested by Sydney Chapman. The concept of the substorm was then soon extended by Neil M. Brice of Cornell University, and Kinsey A. Anderson and his colleagues at the University ofCaliforrlia, Berkeley, who introduced the term 'magnetospheric substorm'. We owe many of these recent developments in magnetospheric physics to the great international enterprise, the International Geophysical Year (IGY) and subse quent international cooperative effort (IGC, IQSY).

Convection and Substorms

Convection and Substorms PDF Author: Charles F. Kennel
Publisher: Oxford University Press
ISBN: 0195359070
Category : Science
Languages : en
Pages : 429

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Book Description
The magnetosphere is the region where cosmic rays and the solar wind interact with the Earth's magnetic field, creating such phenomena as the northern lights and other aurorae. The configuration and dynamics of the magnetosphere are of interest to planetary physicists, geophysicists, plasma astrophysicists, and to scientists planning space missions. The circulation of solar wind plasma in the magnetosphere and substorms have long been used as the principle paradigms for studying this vital region. Charles F. Kennel, a leading scientist in the field, here presents a synthesis of the convection and substorm literatures, and an analysis of convection and substorm interactions; he also suggests that the currently accepted steady reconnection model may be advantageously replaced by a model of multiple tail reconnection events, in which many mutually interdependent reconnections occur. Written in an accessible, non-mathematical style, this book introduces the reader to the exciting discoveries in this fast-growing field.

Multiscale Coupling of Sun-Earth Processes

Multiscale Coupling of Sun-Earth Processes PDF Author: A.T.Y. Lui
Publisher: Elsevier
ISBN: 0444518819
Category : Science
Languages : en
Pages : 528

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Book Description
Full text e-book available as part of the Elsevier ScienceDirect Earth and Planetary Sciences subject collection.

Planetary Atmospheric Electricity

Planetary Atmospheric Electricity PDF Author: François Leblanc
Publisher: Springer Science & Business Media
ISBN: 0387876634
Category : Science
Languages : en
Pages : 373

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Book Description
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.

Advances In Geosciences (A 4-volume Set) - Volume 8: Solar Terrestrial (St)

Advances In Geosciences (A 4-volume Set) - Volume 8: Solar Terrestrial (St) PDF Author: Marc Duldig
Publisher: World Scientific
ISBN: 9814475106
Category : Science
Languages : en
Pages : 256

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Book Description
Advances in Geosciences is the result of a concerted effort in bringing the latest results and planning activities related to earth and space science in Asia and the international arena. The volume editors are all leading scientists in their research fields covering six sections: Hydrological Science (HS), Planetary Science (PS), Solar Terrestrial (ST), Solid Earth (SE), Ocean Science (OS) and Atmospheric Science (AS). The main purpose is to highlight the scientific issues essential to the study of earthquakes, tsunamis, atmospheric dust storms, climate change, drought, flood, typhoons, monsoons, space weather, and planetary exploration.

Solar-terrestrial Magnetic Activity and Space Environment

Solar-terrestrial Magnetic Activity and Space Environment PDF Author: H. Wang
Publisher: Elsevier
ISBN: 9780080441108
Category : Medical
Languages : en
Pages : 492

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Book Description
The COSPAR Colloquium on Solar-Terrestrial Magnetic Activity and Space Environment (STMASE) was held in the National Astronomy Observatories of Chinese Academy of Sciences (NAOC) in Beijing, China in September 10-12, 2001. The meeting was focused on five areas of the solar-terrestrial magnetic activity and space environment studies, including study on solar surface magnetism; solar magnetic activity, dynamical response of the heliosphere; space weather prediction; and space environment exploration and monitoring. A hot topic of space research, CMEs, which are widely believed to be the most important phenomenon of the space environment, is discussed in many papers. Other papers show results of observational and theoretical studies toward better understanding of the complicated image of the magnetic coupling between the Sun and the Earth, although little is still known little its physical background. Space weather prediction, which is very important for a modern society expanding into out-space, is another hot topic of space research. However, a long way is still to go to predict exactly when and where a disaster will happen in the space. In that sense, there is much to do for space environment exploration and monitoring. The manuscripts submitted to this Monograph are divided into the following parts: (1) solar surface magnetism, (2) solar magnetic activity, (3) dynamical response of the heliosphere, (4) space environment exploration and monitoring; and (5) space weather prediction. Papers presented in this meeting but not submitted to this Monograph are listed by title as unpublished papers at the end of this book.

Magnetospheric Research with Advanced Techniques

Magnetospheric Research with Advanced Techniques PDF Author: R.L. Xu
Publisher: Elsevier
ISBN: 0080535747
Category : Science
Languages : en
Pages : 223

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Book Description
Launches of several major magnetospheric research satellites (i.e., Polar, Wind, and Interball) set the scene for extensive multi-platform investigations of the Earth's plasma environment in the era of the International Solar-Terrestrial Physics Program. Exciting new results from this Program and the ongoing innovative advances to scientific instrumentation and spacecraft technology are vitally important for the international space community in preparing for future plans in the upcoming new millenium. This volume is a product of the COSPAR Colloquium held in Beijing on April 15-19, 1996 aimed to consolidate these achievements. It contains state-of-the-art articles in the four areas of modern magnetospheric techniques, namely, (1) active experiment in space, (2) innovative measurement technique, (3) multi-point observation, and (4) numerical simulation and theoretical analysis. Researchers in the space community, both novices and experts, are expected to benefit from this collection of articles.

Literature 1969, Part 2

Literature 1969, Part 2 PDF Author: Siegfried Böhme
Publisher: Springer Science & Business Media
ISBN: 3642492908
Category : Science
Languages : en
Pages : 523

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Book Description
Astronomy and Astrophysics Abstracts, which appears in semi-annual volumes, is devoted to the re cording, summarizing and indexing of astronomical publications throughout the world. It aims to pre sent a comprehensive documentation of literature in all fields of astronomy and astrophysics. Every effort will be made to ensure that the average time interval between the date of receipt of the original literature and publication of the abstracts will not exceed eight months. This time interval is near to that achieved by monthly issued abstracting journals, compared to which our system of accumulating abstracts for about six months offers the advantage of greater convenience for the user. Volume 2 contains literature published in 1969 and received before March 15, 1970; some older lite rature which was received late and which is not recorded in Volume 1 is also included. The authors of papers who have sent us abstracts on request have effectively contributed to the suc cess of our service. We should like to express our gratitude to them. We acknowledge with thanks con tributions to this volume by Dr. J. Bou~a, who surveyed journals and publications in Czech language and supplied us with abstracts in English, by Dr. B. Onderlicka, Brno, for providing English ab stracts of Russian papers, and by the Commonwealth Scientific and Industrial Research Organization (C.S.I.R.O.), Sydney, for providing titles and abstracts of papers on radio astronomy.

Magnetospheric Plasma Sources and Losses

Magnetospheric Plasma Sources and Losses PDF Author: Bengt Hultqvist
Publisher: Springer Science & Business Media
ISBN: 940114477X
Category : Science
Languages : en
Pages : 491

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Book Description
This sixth volume in the ISSI Space Sciences Series is a fully integrated book that gives an authoritative overview of all aspects of the topic in a well-organized form. Leading international scientists from all over the world contributed consistent, cross-referenced articles of high scientific standard.