Publications
Greenwald, R. A. (2017), The importance of international collaboration in space research, Radio Sci., 52, doi:10.1002/2017RS006329.
More...

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.
More...

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.
More...

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.
More...

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.
More...

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.
More...

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.
More...

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.
More...

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.
More...

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.
More...

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.
More...

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.
More...

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.
More...

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.
More...

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.
More...

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.
More...

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.
More...

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.
More...

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.
More...

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.
More...

Makela, J. J., et al. (2014), Storm time response of the midlatitude thermosphere: Observations from a network of Fabry-Perot interferometers, J. Geophys. Res. Space Physics, 119, 6758–6773, doi:10.1002/2014JA019832.
More...

Bland, E. C., A. J. McDonald, S. de Larquier, and J. C. Devlin (2014), Determination of ionospheric parameters in real-time using SuperDARN HF radars, J. Geophys. Res. Space Physics, 119, 5830–5846, doi:10.1002/2014JA020076.
More...

Nishimura, Y., et al. (2014), Day-night coupling by a localized flow channel visualized by polar cap patch propagation, Geophys. Res. Lett., 41, 3701–3709, doi:10.1002/2014GL060301.
More...

de Larquier, S., A. Eltrass, A. Mahmoudian, J. M. Ruohoniemi, J. B. H. Baker, W. A. Scales, P. J. Erickson, and R. A. Greenwald (2014), Investigation of the Temperature Gradient Instability as the Source of Mid-Latitude Quiet-Time Decameter-Scale Ionospheric Irregularities: Part 1, Observations, J. Geophys. Res. Space Physics, 119, 4872–4881, doi:10.1002/2013JA019643.
More...

Eltrass, A., A. Mahmoudian, W. A. Scales, S. de Larquier, J. M. Ruohoniemi, J. B. H. Baker, R. A. Greenwald, and P. J. Erickson (2014), Investigation of the Temperature Gradient Instability as the Source of Mid-Latitude Quiet-Time Decameter-Scale Ionospheric Irregularities: Part 2, Linear Analysis, J. Geophys. Res. Space Physics, 119, 4882–4893, doi:10.1002/2013JA019644.
More...

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Co-Authored Publications
Greenwald, R. A. (2017), The importance of international collaboration in space research, Radio Sci., 52, doi:10.1002/2017RS006329.
More...

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.
More...

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.
More...

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.
More...

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.
More...

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.
More...

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.
More...

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.
More...

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.
More...

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.
More...

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.
More...

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.
More...

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.
More...

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.
More...

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.
More...

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.
More...

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.
More...

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.
More...

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.
More...

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.
More...

Makela, J. J., et al. (2014), Storm time response of the midlatitude thermosphere: Observations from a network of Fabry-Perot interferometers, J. Geophys. Res. Space Physics, 119, 6758–6773, doi:10.1002/2014JA019832.
More...

Bland, E. C., A. J. McDonald, S. de Larquier, and J. C. Devlin (2014), Determination of ionospheric parameters in real-time using SuperDARN HF radars, J. Geophys. Res. Space Physics, 119, 5830–5846, doi:10.1002/2014JA020076.
More...

Nishimura, Y., et al. (2014), Day-night coupling by a localized flow channel visualized by polar cap patch propagation, Geophys. Res. Lett., 41, 3701–3709, doi:10.1002/2014GL060301.
More...

de Larquier, S., A. Eltrass, A. Mahmoudian, J. M. Ruohoniemi, J. B. H. Baker, W. A. Scales, P. J. Erickson, and R. A. Greenwald (2014), Investigation of the Temperature Gradient Instability as the Source of Mid-Latitude Quiet-Time Decameter-Scale Ionospheric Irregularities: Part 1, Observations, J. Geophys. Res. Space Physics, 119, 4872–4881, doi:10.1002/2013JA019643.
More...

Eltrass, A., A. Mahmoudian, W. A. Scales, S. de Larquier, J. M. Ruohoniemi, J. B. H. Baker, R. A. Greenwald, and P. J. Erickson (2014), Investigation of the Temperature Gradient Instability as the Source of Mid-Latitude Quiet-Time Decameter-Scale Ionospheric Irregularities: Part 2, Linear Analysis, J. Geophys. Res. Space Physics, 119, 4882–4893, doi:10.1002/2013JA019644.
More...

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1 2 3 4




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