NASA NTRS · 20060037863
Do Coronal Holes Cause 27 Day Recurring Geomagnetic Storms?
Abstract
We examine 3 years of interplanetary data and geomagnetic activity indices (1973-1975) to determine the causes of geomagnetic storms and substorms during the descending phase of the solar cycle. In this paper, we specifically studied the year 1974 where two long lasting coronating streams existed.
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Tsurutani, Bruce T., Gonzalez, Walter D., Gonzalez, Alicia L. C., Tang, Frances, Park, Dan, Okada, Masaki, Arballo, John. 1994-01-01. Do Coronal Holes Cause 27 Day Recurring Geomagnetic Storms?. https://ntrs.nasa.gov/citations/20060037863
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