L. Alfonsi, N. Bergeot, P. J. Cilliers, G. D. Franceschi, L. Baddeley, E. Correia, D. D. Mauro, C.-F. Enell, M. Engebretson, R. Ghoddousi-Fard, I. Häggström, Y.-b. Ham, G. Heygster, G. Jee, A. Kero, M. Kosch, H.-J. Kwon, C. Lee, S. Lotz, L. Macotela, M. F. Marcucci, W. J. Miloch, Y. J. Morton, T. Naoi, M. Negusini, N. Partamies, B. H. Petkov, E. Pottiaux, P. Prikryl, P. R. Shreedevi, R. Slapak, L. Spogli, J. Stephenson, A. M. Triana-Gómez, O. A. Troshichev, R. V. Malderen, J. M. Weygand, and S. Zou. Review of Environmental Monitoring by Means of Radio Waves in the Polar Regions: From Atmosphere to Geospace. Surveys in Geophysics, volume 43, issue 6, 2022 . Z. Wang and S. Zou. COMPASS: A New COnductance Model Based on PFISR And SWARM Satellite Observations. Space Weather, volume 20, issue 2, 2022 . 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 . J. Ren, S. Zou, E. Kendall, A. Coster, K. Sterne, and M. Ruohoniemi. Direct Observations of a Polar Cap Patch Formation Associated With Dayside Reconnection Driven Fast Flow. Journal of Geophysical Research: Space Physics, volume 125, issue 4, 2020 . J. Ren, S. Zou, J. Lu, N. Giertych, Y. Chen, R. H. Varney, and A. S. Reimer. Statistical Study of Ion Upflow and Downflow Observed by PFISR. Journal of Geophysical Research: Space Physics, volume 125, issue 10, 2020 . J. Ren, S. Zou, R. G. Gillies, E. Donovan, and R. H. Varney. Statistical characteristics of polar cap patches observed by RISR‐C. Journal of Geophysical Research: Space Physics, American Geophysical Union, volume 123, 2018 . D. S. Ozturk, S. Zou, A. J. Ridley, and J. A. Slavin. Modeling study of the geospace system response to the solar wind dynamic pressure enhancement on 17 March 2015. Journal of Geophysical Research: Space Physics, American Geophysical Union, volume 123, 2018 . J. Liang, E. Donovan, A. Reimer, D. Hampton, S. Zou, and R. Varney. Ionospheric electron heating associated with pulsating auroras: Joint optical and PFISR observations. Journal of Geophysical Research: Space Physics, American Geophysical Union, volume 123, pages 4430-4456, 2018 . S. Zou, D. Ozturk, R. Varney, and A. Reimer. Effects of sudden commencement on the ionosphere: PFISR observations and global MHD simulation. Geophys. Res. Lett., issue 44, 2017 . S. Zou, A. Ridley, X. Jia, E. Boyd, M. Nicolls, A. Coster, E. Thomas, and J. M. Ruohoniemi. PFISR observation of intense ion upflow fluxes associated with an SED during the 1 June 2013 geomagnetic storm. J. Geophys. Res. Space Physics, American Geophysical Union, issue 122, 2017 . L. R. Lyons, B. Gallardo-Lacourt, S. Zou, J. M. Weygand, Y. Nishimura, W. Li, M. Gkioulidou, V. Angelopoulos, E. F. Donovan, J. M. Ruohoniemi, B. J. Anderson, S. G. Shepherd, and N. Nishitani. The 17 March 2013 storm: Synergy of observations related to electric field modes and their ionospheric and magnetospheric Effects. J. Geophys. Res. Space Physics, American Geophysical Union, issue 121, 2016 . S. Zou, M. B. Moldwin, A. J. Ridley, M. J. Nicolls, A. J. Coster, E. G. Thomas, and J. M. Ruohoniemi. On the generation/decay of the storm-enhanced density plumes: Role of the convection flow and field-aligned ion flow. J. Geophys. Res., 2014 . S. Zou, A. Ridley, M. Moldwin, M. Nicolls, A. Coster, and M. Ruohoniemi. Multi-instrument Observations of Storm Enhanced Density (SED) during Oct. 24-25 2011 Storm: Implications for SED Formation Processes. J. Geophys. Res., volume 118, pages 7798-7809, 2013 . S. Zou, M. B. Moldwin, M. J. Nicolls, A. J. Ridley, A. J. Coster, E. Yizengaw, L. R. Lyons, and E. F. Donovan. Electrodynamics of the high-latitude trough: its relationship with convection flows and field-aligned currents. J. Geophys. Res., volume 118, pages 2565-2572, 2013 . S. Zou, M. B. Moldwin, A. Coster, L. R. Lyons, and M. J. Nicolls. GPS TEC observations of dynamics of the mid-latitude trough during substorms. Geophys. Res. Lett., volume 38, 2011 . L. R. Lyons, Y. Nishimura, Y. Shi, S. Zou, H.-J. Kim, V. Angelopoulos, C. Heinselman, M. J. Nicolls, and K.-H. Fornacon. Substorm triggering by new plasma intrusion: Incoherent-scatter radar observations. J. Geophys. Res., volume 115, 2010 . Y. Nishimura, L. R. Lyons, S. Zou, X. Xing, V. Angelopoulos, S. B. Mende, J. W. Bonnell, D. Larson, U. Auster, T. Hori, N. Nishitani, K. Hosokawa, G. Sofko, M. Nicolls, and C. Heinselman. Preonset time sequence of auroral substorms: Coordinated observations by all-sky imagers, satellites, and radars. J. Geophys. Res., volume 115, 2010 . S. Zou, M. B. Moldwin, L. R. Lyons, Y. Nishimura, M. Hirahara, T. Sakanoi, K. Asamura, M. J. Nicolls, Y. Miyashita, S. B. Mende, and C. J. Heinselman. Identification of substorm onset location and preonset sequence using Reimei, THEMIS GBO, PFISR, and Geotail. J. Geophys. Res., volume 115, 2010 . S. Zou, L. R. Lyons, M. J. Nicolls, C. J. Heinselman, and S. B. Mende. Nightside ionospheric electrodynamics associated with substorms: PFISR and THEMIS ASI observations. J. Geophys. Res., volume 114, 2009 . S. Zou, L. R. Lyons, M. J. Nicolls, and C. J. Heinselman. PFISR observations of strong azimuthal flow bursts in the ionosphere and their relation to nightside aurora. J. Atmos. Solar-Terr. Phys., volume 71, issue 6, pages 729-737, 2009 . L. R. Lyons, S. Zou, C. J. Heinselman, M. J. Nicolls, and P. C. Anderson. Poker flat radar observations of the magnetosphere-ionosphere coupling electrodynamics of the earthward penetrating plasma sheet following convection enhancements. J. Atmos Solar-Terr. Phys., volume 71, issue 6, pages 717-728, 2009 . L. R. Lyons, H.-J. Kim, X. Xing, S. Zou, D.-Y. Lee, C. Heinselman, M. J. Nicolls, V. Angelopoulos, D. Larson, J. McFadden, A. Runov, and K.-H. Fornacon. Evidence that solar wind fluctuations substantially affect global convection and substorm occurrence. J. Geophys. Res., volume 114, 2009 .