Download The Earth's Plasmasphere (Cambridge Atmospheric and Space by J. F. Lemaire, K. I. Gringauz, D. L. Carpenter, V. Bassolo PDF

By J. F. Lemaire, K. I. Gringauz, D. L. Carpenter, V. Bassolo

The plasmasphere is the huge "doughnut-shaped" zone of the magnetosphere that varieties a chilly thermal plasma cloud encircling the Earth, terminating unexpectedly at a radial distance of 30,000 km over a pointy discontinuity referred to as the plasmapause. this is often the 1st monograph to explain the old improvement of principles about the plasmasphere by means of the pioneering researchers themselves. The monograph brings our photograph of the plasmasphere modern via providing experimental and observational result of the prior 3 a long time, and mathematical and actual theories proposed to provide an explanation for its formation. the amount might be worthy for researchers in area physics and also will attract these attracted to the background of technological know-how.

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Extra resources for The Earth's Plasmasphere (Cambridge Atmospheric and Space Science Series)

Sample text

It was suggested that the inhomogenous depression, exhibiting an inner region of moderately depressed electron density followed by a steep density drop and an outer region of still lower concentration, was in fact the more general state of the profile following disturbances. The homogeneous depressions were simply ones in which the observations had been limited to portions of the profile on one side of the steep fall off or the other. Fig. 11 shows the profiles in the schematic form presented in the thesis.

Within another year, Allcock (1959) published an estimate of the form of the equatorial electron density profile in the altitude range ~ 400-12 000 km. The concentrations were at levels consistent with those previously estimated by Storey (1953; 1956), and were based upon the average frequency-versus-time, or dispersion, properties of whistlers received at several ground stations in the period January-June 1957. The crude but practical assumption was made that the ionospheric endpoints of the paths of whistlers received at each station were on average centered at that station's latitude.

Vernov and A. I. Liebedinsky also considered the results to be erroneous, while P. L. Kapitza and V. L. Ginzburg did not express their opinions. K. I. Gringauz was convinced that the experimental results were reliable, but could not propose any likely geophysical explanation of the observed plasma boundary at about 25 000 km. The only participant in this peer review meeting who supported the publication of the article was I. S. Shklovsky from the Sternberg Astronomical Institute. After this consultation, the president of the Academy did not authorize publication of the article.

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