World-wide changes in the geomagnetic field

The geomagnetic field is found to change quite frequently on a world-wide scale. In the three months' period near sunspot maximum, such changes are found on 90 "per cent of all days. Most of these changes are not registered either as sudden commencements or as sudden impulses, and are tent...

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Bibliographic Details
Main Author: Nishida, Atsuhiro
Language:English
Published: University of British Columbia 2011
Subjects:
Online Access:http://hdl.handle.net/2429/39145