Background
Jacobs, John Arthur was born on April 13, 1916.
(The subject of geomagnetic micropulsations has developed ...)
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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Jacobs, John Arthur was born on April 13, 1916.
Bachelor, University London, 1937. Master of Arts, University London, 1939. Doctor of Philosophy, University London, 1949.
Doctor of Science, University London, 1961. Doctor of Science (honorary), University British Columbia, 1987.
Professor University Cambridge. Lecturer Royal Holloway College University London, 1946-1951. Associate professor University Toronto, Canada, 1951-1957.
Professor University British Columbia, Canada, 1957-1967. Killam Memorial professor science University Alberta, Canada, 1967-1974, director Institute Earth and Planetary Physics Canada, 1970-1974. Professor geophysics University Cambridge, 1974-1983.
Honorary professor Institute Earth Studies University Wales, Aberystwyth, from 1989.
(The subject of geomagnetic micropulsations has developed ...)
Married Daisy Sarah Ann Montgomerie (divorced 1974). 2 children; married Margaret Jones (dissolved 1981). Married Ann Grace Wintle, 1982.