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Critical component of the interplanetary magnetic field responsible for large geomagnetic effects in the polar cap
Author(s) -
FriisChristensen E.,
Lassen K.,
Wilhjelm J.,
Wilcox J. M.,
Gonzalez W.,
Colburn D. S.
Publication year - 1972
Publication title -
journal of geophysical research
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.67
H-Index - 298
eISSN - 2156-2202
pISSN - 0148-0227
DOI - 10.1029/ja077i019p03371
Subject(s) - earth's magnetic field , interplanetary magnetic field , magnetosphere , geophysics , physics , ionospheric dynamo region , polar , ecliptic , interplanetary spaceflight , magnetic field , solar wind , geomagnetic storm , astronomy , quantum mechanics
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.

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