2 papers
astro-ph.SR2021
Predicting Sunspot Numbers for Solar Cycles 25 and 26
S. -S. Wu, G. Qin
The prediction of solar activity is important for advanced technologies and space activities. The peak sunspot number (SSN), which can represent the solar activity, has declined co…
physics.space-ph2020
Magnetic Cloud and Sheath in the Ground-Level Enhancement Event of 2000 July 14. II. Effects on the Forbush Decrease
G. Qin, S. -S. Wu
Forbush decreases (Fds) in galactic cosmic ray intensity are related to interplanetary coronal mass ejections (ICMEs). The parallel diffusion of particles is reduced because the ma…