D. Zhang, Q.-H. Zhang, Y.-Z. Ma, K. Oksavik, L. R. Lyons, Y.-L. Zhang, N. Balan, X.-Y. Xing, J. Liu, M. Hairston, and X.-Y. Wang, Solar and Geomagnetic Activity Impact on Occurrence and Spatial Size of Cold and Hot Polar Cap Patches, AOGS 2021 Meeting, Online, August 01-06, 2021.
