An Observed Decline in the Amplitude of Recent Solar-Cycle Peaks

• Published in: Solar physics Vol. 289; no. 10; pp. 3961 - 3967
• Main Authors: Chapman, G. A., de Toma, G., Cookson, A. M.
• Format: Journal Article
• Language: English
• Published: Dordrecht Springer Netherlands 01.10.2014; Springer Nature B.V
• Subjects: Astrophysics and Astroparticles; Atmospheric Sciences; Observatories; Physics; Physics and Astronomy; Solar activity; Solar cycle; Solar physics; Space Exploration and Astronautics; Space Sciences (including Extraterrestrial Physics; Solar cycle: observations, active regions

There has been much speculation about the extended minimum between Solar Cycles 23 and 24. Cycle 24 itself has been unusually weak compared with recent cycles. We present quantitative evidence for the weakness of both Cycles 23 and, particularly, 24. The data are objective indices derived from preci...