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Prompt world-wide geomagnetic effects of high-latitude nuclear explosions

University of British Columbia

A brief summary of observational data is presented, covering the disturbances recorded within seconds of high-altitude nuclear detonations, with particular emphasis on the "phase B" signal recorded at H+2 seconds following the "Starfish" test of July 9, 1962. The salient characteristics of this signal are specified, and a number of suggested models are analysed in detail. Although no conclusive decision can be reached on the basis of presently available data, the most likely mechanism appears to be hydromagnetic waves along the field line through the detonation point, with energy conversion into electromagnetic modes at the mirror points.

Text

2011-09-23

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http://hdl.handle.net/2429/37589

Geophysics

University of British Columbia

Graduate