The Transmission of Geomagnetic Micropulsations Through the Ionosphere and Lower Exosphere PDF Download
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Author: Edward Clifton Field Publisher: ISBN: Category : Geomagnetic micropulsations Languages : en Pages : 36
Book Description
This report is part of RAND's continuing interest in the detection of high-altitude nuclear explosions. In particular, it is concerned with low-frequency hydromagnetic waves similar to those generated by such explosions, and which are detected by ground-current measurements at world-wide locations. In this report, attention is directed to the response of the ionosphere to such low-frequency hydromagnetic disturbances. The purpose is to separate the effects of the medium from those of the source on the transmitted disturbance. (Author).
Author: Edward Clifton Field Publisher: ISBN: Category : Geomagnetic micropulsations Languages : en Pages : 36
Book Description
This report is part of RAND's continuing interest in the detection of high-altitude nuclear explosions. In particular, it is concerned with low-frequency hydromagnetic waves similar to those generated by such explosions, and which are detected by ground-current measurements at world-wide locations. In this report, attention is directed to the response of the ionosphere to such low-frequency hydromagnetic disturbances. The purpose is to separate the effects of the medium from those of the source on the transmitted disturbance. (Author).
Author: J. A. Jacobs Publisher: Springer Science & Business Media ISBN: 3642868282 Category : Science Languages : en Pages : 187
Book Description
The subject of geomagnetic micropulsations has developed extremely rapidly and it is difficult to know when is an appropriate time to pause and assess the sum total of our knowledge-both observational and theoretical. There has in recent years been a tremendous increase in both the quantity and quality of data and also many theoretical ad vances in our understanding of the phenomenon. Undoubtedly there will be further progress in both areas but it seems worthwhile now to review both our knowledge and our ignorance. This book was essen tially completed by the end of April 1969 and tries to give a summary of the subject up to that time. The Earth is enclosed in the magnetosphere, a hollow carved out of the solar wind by the Earth's magnetic field. Above the ionosphere there is a very tenuous thermal plasma of partially ionized hydrogen in diffusive equilibrium with magnetic and gravitational forces, and ener getic protons and electrons that constitute the trapped Van Allen ra diation belts. Throughout this anisotropic and inhomogeneous plasma, natural and man-made electromagnetic energy propagates in a wide variety of modes and frequency bands. This book is concerned with that class of natural signals called geomagnetic micropulsations-short period (usually of the order of seconds or minutes) fluctuations of the Earth's magnetic field.
Author: N. D'Angelo Publisher: Springer Science & Business Media ISBN: 9401034028 Category : Science Languages : en Pages : 225
Book Description
During the last week of September 1968, ESRIN (the European Space Research Institute) held the ESRIN-ESLAB Symposium on 'Low-Frequency Waves and Irregularities in the Ionosphere' in Frascati, near Rome. The symposium was attended by about 60 participants, including speakers from most of the ESRO member states, the U.S.A., the U.S.S.R., and Peru. The main topics covered were: (a) observations of ionospheric irregularities by radar scattering, (b) scintillations of satellite signals, (c) geomagnetic micropulsations, and (d) whistlers. Both theoretical and observational aspects were treated. In addition, laboratory results on low-frequency waves in plasmas were discussed, emphasis being given to their possible relevance to low-frequency ionospheric phenomena. Finally, a brief presentation (not included in these proceedings) of the ESRO rocket and satellite program was given by Dr. Pedersen of ESLAB. The symposium provided an exchange of information among workers in closely related fields. It was also valuable in bringing together people whose experience is predominantly in ionospheric observations with others whose field of interest is mainly in plasma physics (theoretical or laboratory) - a combination that seemed particularly appropriate to ESRIN's program and functions.
Author: Edward Clifton Field
Author: Edward Clifton Field
Author: J. A. Jacobs
Author: Ilan Josip Rothmuller
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Author: N. D'Angelo
Author: Rubén Zelwer