Hemispheric sunspot numbers R~n and R~s from 1945-2004: catalogue and N-S asymmetry analysis for solar cycles 18-23

By M. Temmer, J. Rybák, P. Bendik, Astrid Veronig, F. L. Vogler, W. Otruba, W. Pötzi, A. Hanslmeier. 2006

174 citations recorded by the source corpus.

Subfields: Astronomy and Astrophysics, Oceanography

View Paper: https://www.semanticscholar.org/paper/829f427ed25e62deef5b58f9758c18ebd5f8274f

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In Astronomy and Astrophysics

1. F. Clette
2. N. Sheeley
3. E. Robbrecht
4. Y. Wang
5. D. Berghmans
6. I. Usoskin
7. Barbara J. Thompson
8. D. Webb

In Oceanography

1. F. Clette

Citations in the corpus

• ON THE WEAKENING OF THE POLAR MAGNETIC FIELDS DURING SOLAR CYCLE 23 (2009, background): “We also note a general tendency for the south pole to have stronger average fields than the north pole; this asymmetry is consistent with sunspot activity being greater in the southern hemisphere during the declining phases of the last four cycles (Temmer et al. 2006).”
• From the Wolf number to the International Sunspot Index: 25 years of SIDC (2007, methodology): “Therefore, a significant effort has been undertaken by the Kanzelhö he Observatory (Temmer et al., 2006) to reconstruct the hemispheric sunspot numbers, but currently the reconstruction spans only 6 cycles, back to 1940 and with a 80% partial coverage using two stations (Kanzelhö he and Skalnaté Ple”