Solar-Cycle Characteristics in Kodaikanal Sunspot Area: North–South Asymmetry, Phase Distribution and Gnevyshev Gap
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DOI: 10.1007/s11207-020-01744-7
Abstract: Solar activity is asymmetric in the two hemispheres in almost all cycles. This asymmetry is observed both in cycle amplitude and period. We have used about 90 years of sunspot-area data from the Kodaikanal Solar Observatory… read more here.
Keywords: north south; cycle; south asymmetry; solar cycles ... See more keywords
Long-Term Variations in Solar Activity: Predictions for Amplitude and North–South Asymmetry of Solar Cycle 25
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DOI: 10.1007/s11207-022-01956-z
Abstract: In most of the solar cycles, activity in the northern and southern hemispheres peaks at different times. One hemisphere peaks well before the other and at least one of the hemispheric maxima frequently does not… read more here.
Keywords: sunspot; north south; cycle; activity ... See more keywords
Latitude-Longitude Characteristics of the North–South Asymmetry of Solar Activity
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DOI: 10.1134/s0016793218070125
Abstract: The characteristics of the latitude-longitude distribution of the north–south (NS) asymmetry of the number of sunspots for the period of 1874–2013 are studied. It is shown that there is an NS asymmetry of the sunspot… read more here.
Keywords: north south; solar activity; latitude longitude; south asymmetry ... See more keywords