Author: J. G. PickfordPublisher:
ISBN:
Category :
Languages : en
Pages :
Book Description
The Variability of Geomagnetic Micropulsations in Devon
Author: J. G. PickfordA Study of the Local Variability of Geomagnetic Micropulsations
Author: Christopher Charles Frederick AdcockPublisher:
ISBN:
Category :
Languages : en
Pages :
Book Description
Geomagnetic Micropulsations
Author: J. A. JacobsPublisher: 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.
The variation of geomagnetic micropulsations with latitude
Author: Shiveshwar DayalGeomagnetic Micropulsations
Author: D. OrrIndex to Theses Accepted for Higher Degrees by the Universities of Great Britain and Ireland and the Council for National Academic Awards
Author: Publisher:
ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 862
Book Description
British Reports, Translations and Theses
Author: British Library. Lending DivisionPublisher:
ISBN:
Category : Great Britain
Languages : en
Pages : 758
Book Description
Investigation of Geomagnetic Field Variations and Related Magnetospheric Phenomena
Author: John H. FreyPublisher:
ISBN:
Category :
Languages : en
Pages : 80
Book Description
Geomagnetic variations with periods ranging from 0.02 seconds to several days have been investigated to ascertain their nature and origins and their relationship to other magnetospheric phenomena. This investigation included the study of local time variation in geomagnetic micropulsations, the study of the average energy of the micropulsation spectrum in six contiguous octave bands, and the comparison of main geomagnetic field variations with the interplanetary magnetic field. Error analysis of spherical harmonic expansions of solar quiet daily variation, Sq, of the earth's main field has been completed. (Author).
A Study of Geomagnetic Micropulsations
Author: A. C. Fraser-SmithPublisher:
ISBN:
Category : Geomagnetism
Languages : en
Pages : 320
Book Description
Studies in Geomagnetic Micropulsations (microfilm).
Author: C. C. KuPublisher:
ISBN:
Category :
Languages : en
Pages : 0
Book Description
"The theory of correlation functions and power spectral analyses is reviewed. Analog spectral analyses are then made of orthogonal components of geomagnetic micropulsations to investigate (a) the diurnal variation of pcs at a given station, (h) spatial variation of pcs at three pairs of stations differing respectively by 500 in longitude, 5.6° in latitude and 15° in latitude. Analog crosscorrelation technique is employed to study the phase relations among the three orthogonal components, both for pcs (pc-3 and pc-4) and pi-2 at a given station. ..."--