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Author: V. L. Patel
Publisher:
ISBN:
Category : Geomagnetic micropulsations
Languages : en
Pages : 0
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Book Description
Micropulsation periods determined from the surface geomagnetic filed observations and the size of the magnetosphere represented by the radial distance of the magnetopause have been studied by using extensive data from the satellites IMP-A, B, C, D, E and F. For micropulsation periods in the range 20 ≤ T ≤ 120 sec, the relation between the period T and the magnetopause distance Rm in earth radii is T ~ R^nm where n = 8.8. The power law dependence is obtained for the various subgroups of micropulsation periods. The comparison of these results with earlier studies show that the reproducible and consistent results are obtained only in the range 20 ≤ T ≤ 60 with n ≈ 4.7. Importance of results obtained in this study are discussed for the possible use of the micropulsation periods as diagnostic too for the magnetospheric parameters.
Author: V. L. Patel
Publisher:
ISBN:
Category : Geomagnetic micropulsations
Languages : en
Pages : 0
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Book Description
Micropulsation periods determined from the surface geomagnetic filed observations and the size of the magnetosphere represented by the radial distance of the magnetopause have been studied by using extensive data from the satellites IMP-A, B, C, D, E and F. For micropulsation periods in the range 20 ≤ T ≤ 120 sec, the relation between the period T and the magnetopause distance Rm in earth radii is T ~ R^nm where n = 8.8. The power law dependence is obtained for the various subgroups of micropulsation periods. The comparison of these results with earlier studies show that the reproducible and consistent results are obtained only in the range 20 ≤ T ≤ 60 with n ≈ 4.7. Importance of results obtained in this study are discussed for the possible use of the micropulsation periods as diagnostic too for the magnetospheric parameters.
Author: J. A. Jacobs
Publisher: Springer Science & Business Media
ISBN: 3642868282
Category : Science
Languages : en
Pages : 187
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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.
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Category : Nuclear energy
Languages : en
Pages : 912
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Category : Aeronautics
Languages : en
Pages : 1056
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Author: American Geophysical Union
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Category : Geodesy
Languages : en
Pages : 1136
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Category : Aeronautics
Languages : en
Pages : 674
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Author: Geological Survey (U.S.)
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Category : Geophysics
Languages : en
Pages : 1040
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Category : Geophysics
Languages : en
Pages : 984
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Publisher: National Academies
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Category : Astronautics
Languages : en
Pages : 264
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![Documentation of Plasma Physics. Pt. 1, Experimental Plasma Physics [and] Theoretical Plasma Physics PDF](https://books.google.com/books/content/images/frontcover/oAIwAQAAIAAJ?fife=w80-h100)
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Category : Plasma (Ionized gases)
Languages : en
Pages : 880
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