E. Aa, S.-R. Zhang, P. J. Erickson, A. J. Coster, L. P. Goncharenko, R. H. Varney, and R. Eastes. Salient Midlatitude Ionosphere-Thermosphere Disturbances Associated With SAPS During a Minor but Geo-Effective Storm at Deep Solar Minimum. Journal of Geophysical Research: Space Physics, volume 126, issue 7, June  2021 .

L. J. Lamarche, R. H. Varney, and A. S. Reimer. Ion Heating in the Polar Cap Under Northwards IMF Bz. Journal of Geophysical Research: Space Physics, volume 126, issue 11, October  2021 .

L. R. Lyons, J. Liu, Y. Nishimura, C.-P. Wang, A. S. Reimer, W. A. Bristow, D. L. Hampton, X. Shi, R. H. Varney, and E. F. Donovan. Radar Observations of Flows Leading to Longitudinal Expansion of Substorm Onset over Alaska. Journal of Geophysical Research: Space Physics,  2021 .

Y.-Z. Ma, Q.-H. Zhang, L. R. Lyons, J. Liu, Z.-Y. Xing, A. Reimer, Y. Nishimura, and D. Hampton. Is Westward Travelling Surge Driven by the Polar Cap Flow Channels? Journal of Geophysical Research: Space Physics, volume 126, issue 8,  2021 .

R. A. Makarevich, G. Crowley, I. Azeem, C. Ngwira, and V. V. Forsythe. Auroral E-Region as a Source Region for Ionospheric Scintillation. Journal of Geophysical Research: Space Physics, volume 126, issue 5, May  2021 .

J.-P. St-Maurice and L. Goodwin. Revisiting the Behavior of the E-Region Electron Temperature During Strong Electric Field Events at High Latitudes. Journal of Geophysical Research: Space Physics, volume 126, issue 2,  2021 .

Y. Wang, P. T. Jayachandran, D. R. Themens, A. M. McCaffrey, Q.-H. Zhang, S. David, and R. Chadwick. A Case Study of Polar Cap Sporadic-E Layer Associated with TEC Variations. Remote Sensing, volume 13, issue 7,  2021 .

W. Zhan, S. R. Kaeppler, M. F. Larsen, A. Reimer, and R. Varney. An Investigation of Auroral E Region Energy Exchange Using Poker Flat Incoherent Scatter Radar Observations During Fall Equinox Conditions. Journal of Geophysical Research: Space Physics, volume 126, issue 10,  2021 .

Y. Zou, L. Lyons, M. Conde, R. Varney, V. Angelopoulos, and S. Mende. Effects of Substorms on High-Latitude Upper Thermospheric Winds. Journal of Geophysical Research: Space Physics, volume 126, issue 1,  2021 .

S. Zou, J. Ren, Z. Wang, H. Sun, and Y. Chen. Impact of Storm-Enhanced Density (SED) on Ion Upflow Fluxes During Geomagnetic Storm. Frontiers in Astronomy and Space Sciences, volume 8,  2021 .