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On the nature of polar cap magnetic activity during undisturbed periods

โœ Scribed by B.M. Kuznetsov; O.A. Troshichev

Publisher
Elsevier Science
Year
1977
Tongue
English
Weight
599 KB
Volume
25
Category
Article
ISSN
0032-0633

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๐Ÿ“œ SIMILAR VOLUMES

Effect of polar cap patches on the therm
Effect of polar cap patches on the thermosphere for different solar activity levels
โœ T.-Z. Ma; R.W. Schunk ๐Ÿ“‚ Article ๐Ÿ“… 1997 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 685 KB

## Polar cap patches are regions of enhanced ionization that appear when the interplanetary magnetic field is southward. They are created either in or near the cusp and then convect in an antisunward direction across the dark polar cap at speeds of from 100 m/s to about 2 km/s. The size of these p