Publications
Kwagala, N. K., K. Oksavik, D. A. Lorentzen, and M. G. Johnsen, How often do thermally excited 630.0 nm emissions occur in the polar ionosphere?, Journal of Geophysical Research Space Physics, 122, doi:10.1002/2017JA024744, 2017.
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Jin, Y., J. I. Moen, K. Oksavik, A. Spicher, L. B. N. Clausen, and W. J. Miloch, GPS scintillations associated with cusp dynamics and polar cap patches, Journal of Space Weather and Space Climate, 7, A23, doi:10.1051/swsc/2017022, 2017.
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Summers, D., R. Shi, M. J. Engebretson, K. Oksavik, J. W. Manweiler, and D. G. Mitchell, Energetic proton spectra measured by the Van Allen Probes, Journal of Geophysical Research Space Physics, 122, doi:10.1002/2017JA024484, 2017.
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Eriksson, S., M., Maimaiti, J. B. H., Baker, K. J., Trattner, D. J., Knipp, and F. D., Wilder (2017), Dual ExB Flow Responses in the Dayside Ionosphere to a Sudden IMF By Rotation, Geophys. Res. Lett., 44, doi:10.1002/2017GL073374.
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Kunduri, B. S. R., J. B. H. Baker, J. M. Ruohoniemi, E. G. Thomas, S. G. Shepherd, and K. T. Sterne (2017), Statistical characterization of the large-scale structure of the subauroral polarization stream, J. Geophys. Res. Space Physics, 122, doi:10.1002/2017JA024131.
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Greenwald, R. A. (2017), The importance of international collaboration in space research, Radio Sci., 52, doi:10.1002/2017RS006329.
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Shi X., J.B.H. Baker, J.M. Ruohoniemi, M.D. Hartinger, N.A. Frissell, and J. Liu (2017), Simultaneous Space and Ground-Based Observations of a Plasmaspheric Virtual Resonance, J. Geophys. Res., 122, doi:10.1002/2016JA023583.
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Maimaiti, M., J. M. Ruohoniemi, J. B. H. Baker, C. R. Clauer, M. J. Nicolls, and M. R. Hairston (2017), RISR-N observations of the IMF By influence on reverse convection during extreme northward IMF, J. Geophys. Res. Space Physics, 122, 3707–3720, doi:10.1002/2016JA023612.
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Malhotra, G., J. M. Ruohoniemi, J. B. H. Baker, R. E. Hibbins, and K. A. McWilliams (2016), HF radar observations of a quasi-biennial oscillation in midlatitude mesospheric winds, J. Geophys. Res. Atmos., 121, 1–13, doi:10.1002/2016JD024935.
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Clauer, C. R., Z. Xu, M. Maimaiti, J. M. Ruohoneimi, W. Scales, M. D. Hartinger, M. J. Nicolls, S. Kaeppler, F. D. Wilder, and R. E. Lopez (2016), Investigation of a rare event where the polar ionospheric reverse convection potential does not saturate during a period of extreme northward IMF solar wind driving, J. Geophys. Res. Space Physics, 121, 5422–5435, doi:10.1002/2016JA022557.
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Frissell, N. A., J. B. H. Baker, J. M. Ruohoniemi, R. A. Greenwald, A. J. Gerrard, E. S. Miller, and M. L. West (2016), Sources and Characteristics of Medium Scale Traveling Ionospheric Disturbances Observed by High Frequency Radars in the North American Sector, J. Geophys. Res. Space Physics, 121, doi:10.1002/2015JA022168.
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Thomas, E. G., J. B. H. Baker, J. M. Ruohoniemi, and S.-R. Zhang (2016), The geomagnetic storm-time response of GPS total electron content in the North American sector, J. Geophys. Res. Space Physics, 121, 1744–1759, doi:10.1002/2015JA022182.
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Prikryl, P., R. Ghoddousi-Fard, J. M. Ruohoniemi, and E. G. Thomas (2015), GPS Phase Scintillation at High Latitudes during Two Geomagnetic Storms, in Auroral Dynamics and Space Weather (eds Y. Zhang and L. J. Paxton), John Wiley & Sons, Inc, Hoboken, NJ. doi:10.1002/9781118978719.ch15.
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Joshi, P. P., J. B. H. Baker, J. M. Ruohoniemi, J. J. Makela, D. J. Fisher, B. J. Harding, N. A. Frissell, and E. G. Thomas (2015), Observations of storm-time mid-latitude ion-neutral coupling using SuperDARN radars and NATION Fabry-Perot interferometers, J. Geophys. Res. Space Physics, 120, 8989–9003, doi:10.1002/2015JA021475.
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Thomas, E. G., K. Hosokawa, J. Sakai, J. B. H. Baker, J. M. Ruohoniemi, S. Taguchi, K. Shiokawa, Y. Otsuka, A. J. Coster, J.-P. St.-Maurice, and K. A. McWilliams (2015), Multi-instrument, high-resolution imaging of polar cap patch transportation, Radio Sci., 50, 904–915, doi:10.1002/2015RS005672.
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Liu, J., T. Nakamura, L. Liu, W. Wang, N. Balan, T. Nishiyama, M. R. Hairston, and E. G. Thomas (2015), Formation of polar tongue of ionization during minor geomagnetic disturbed conditions, J. Geophys. Res. Space Physics, 120, 6860-6873, doi:10.1002/2015JA021393.
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Walsh, B. M., E. G. Thomas, K. -J. Hwang, J. B. H. Baker, J. M. Ruohoniemi, and J. W. Bonnell (2015), Dense plasma and Kelvin-Helmholtz waves on Earth's dayside magnetopause, J. Geophys. Res. Space Physics, 120, 5560–5573, doi:10.1002/2015JA021014.
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Prikryl, P., R. Ghoddousi-Fard, E. G. Thomas, J. M. Ruohoniemi, S. G. Shepherd, P. T. Jayachandran, D. W. Danskin, E. Spanswick, Y. Zhang, Y. Jiao, and Y. T. Morton (2015), GPS phase scintillation at high latitudes during geomagnetic storms of 7–17 March 2012 – Part 1: The North American sector, Ann. Geophys., 33, 637-656, doi:10.5194/angeo-33-637-2015.
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Prikryl, P., R. Ghoddousi-Fard, L. Spogli, C. N. Mitchell, G. Li, B. Ning, P. J. Cilliers, V. Sreeja, M. Aquino, M. Terkildsen, P. T. Jayachandran, Y. Jiao, Y. T. Morton, J. M. Ruohoniemi, E. G. Thomas, Y. Zhang, A. T. Weatherwax, L. Alfonsi, G. De Franceschi, and V. Romano (2015), GPS phase scintillation at high latitudes during geomagnetic storms of 7–17 March 2012 – Part 2: Interhemispheric comparison, Ann. Geophys., 33, 657-670, doi:10.5194/angeo-33-657-2015.
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Zou, Y., Y. Nishimura, L. R. Lyons, K. Shiokawa, E. F. Donovan, J. M. Ruohoniemi, K. A. McWilliams, and N. Nishitani (2015), Localized polar cap flow enhancement tracing using airglow patches: Statistical properties, IMF dependence, and contribution to polar cap convection. J. Geophys. Res. Space Physics, 120, 4064–4078, doi:10.1002/2014JA020946.
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Yu, Y., V. Jordanova, S. Zou, R. A. Heelis, J. M. Ruohoniemi, and J. R. Wygant (2015), Modeling sub-auroral polarization streams (SAPS) during the March 17, 2013 storm, J. Geophys. Res. Space Physics, 120, 1738–1750, doi:10.1002/2014JA020371.
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Richards, P. G., M. J. Nicolls, J.-P. St.-Maurice, L. Goodwin, and J. M. Ruohoniemi (2015), Investigation of sudden electron density depletions observed in the dusk sector by the Poker Flat, Alaska incoherent scatter radar in summer, J. Geophys. Res. Space Physics, 119, 10,608–10,620. doi:10.1002/2014JA020541.
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Frissell, N. A., E. S. Miller, S. R. Kaeppler, F. Ceglia, D. Pascoe, N. Sinanis, P. Smith, R. Williams, and A. Shovkoplyas (2014), Ionospheric Sounding Using Real-Time Amateur Radio Reporting Networks, Space Weather, 12, 651–656, doi:10.1002/2014SW001132.
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Zou, S., M. B. Moldwin, A. J. Ridley, M. J. Nicolls, A. J. Coster, E G. Thomas, and J. M. Ruohoniemi (2014), On the Generation/Decay of the Storm-Enhanced Density (SED) Plumes: Role of the Convection Flow and Field-Aligned Ion Flow, J. Geophys. Res. Space Physics, 119, 8543–8559, doi:10.1002/2014JA020408.
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Frissell, N. A., J. B. H. Baker, J. M. Ruohoniemi, A. J. Gerrard, E. S. Miller, J. P. Marini, M. L. West, and W. A. Bristow (2014), Climatology of Medium Scale Traveling Ionospheric Disturbances Observed by the Midlatitude Blackstone SuperDARN Radar, J. Geophys. Res. Space Physics, 119, 7679–7697, doi:10.1002/2014JA019870.
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