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Critical component of the interplanetary magnetic field responsible for large geomagnetic effects in the polar cap.An observed influence of the interplanetary magnetic-sector structure on the geomagnetic variations in the polar cap appears to be due to the component of the interplanetary magnetic field near the ecliptic perpendicular to the earth-sun direction. This suggests that the observed effect on the ground originates in the front of the magnetosphere.
Document ID
19720051924
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Friis-Christensen, E.
Lassen, K.
Wilhjelm, J. (Dansk Meteorologisk Institut Charlottenlund, Denmark)
Wilcox, J. M.
Gonzalez, W. (Stanford University Stanford, Calif., United States)
Colburn, D. S. (NASA Ames Research Center Space Sciences Div., Moffett Field, Calif., United States)
Date Acquired
August 6, 2013
Publication Date
July 1, 1972
Publication Information
Publication: Journal of Geophysical Research
Volume: 77
Subject Category
Geophysics
Report/Patent Number
AD-747861
Accession Number
72A35590
Funding Number(s)
CONTRACT_GRANT: N00014-67-A-0112-0068
CONTRACT_GRANT: NSF GA-31138
CONTRACT_GRANT: NGR-05-020-559
Distribution Limits
Public
Copyright
Other

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