Unusual declining phase of solar cycle 23: Weak semi-annual variations of auroral hemispheric power and geomagnetic activity

Year of Publication
2009
Journal
Geophysical Research Letters
Volume
36
Date Published
Jan-01-2009
ISSN Number
0094-8276
URL
http://doi.wiley.com/10.1029/2009GL040825http://www.agu.org/journals/gl/gl0922/2009GL040825/2009GL040825.pdf
DOI
10.1029/2009GL040825
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