Publications
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...

Gallardo-Lacourt, B., Y. Nishimura, L. R. Lyons, S. Zou, V. Angelopoulos, E. Donovan, K. A. McWilliams, J. M. Ruohoniemi, and N. Nishitani (2014), Coordinated SuperDARN-THEMIS ASI observations of mesoscale flow bursts associated with auroral streamers, J. Geophys. Res. Space Physics, 119, 142–150, doi:10.1002/2013JA019245.
More...

Zou, Y., Y. Nishimura, L. R. Lyons, E. F. Donovan, J. M. Ruohoniemi, N. Nishitani, and K. A. McWilliams (2014), Statistical relationships between enhanced polar cap flows and PBIs, J. Geophys. Res. Space Physics, 119, 151–162, doi:10.1002/2013JA019269.
More...

McDonald, A. J., J. Whittington, S. de Larquier, E. Custovic, T. A. Kane, and J. C. Devlin (2013), Elevation angle-of-arrival determination for a standard and a modified superDARN HF radar layout, Radio Sci., 48, 709–721, doi:10.1002/2013RS005157.
More...

Zou, S., A. J. Ridley, M. B. Moldwin, M. J. Nicolls, A. J. Coster, E. G. Thomas, and J. M. Ruohoniemi (2013), Multi-instrument observations of SED during 24–25 October 2011 storm: Implications for SED formation processes, J. Geophys. Res. Space Physics, 118, 7798–7809, doi:10.1002/2013JA018860.
More...

Lyons, L. R., Y. Nishimura, B. Gallardo-Lacourt, Y. Zou, E. Donovan, S. Mende, V. Angelopoulos, J. M. Ruohoniemi, and K. McWilliams (2013), Westward traveling surges: Sliding along boundary arcs and distinction from onset arc brightening, J. Geophys. Res. Space Physics, 118, 7643–7653, doi:10.1002/2013JA019334.
More...

Milan, S. E., A. Grocott, S. de Larquier, M. Lester, T. K. Yeoman, M. P. Freeman, and G. Chisham (2013), Traveling ionospheric disturbances in the Weddell Sea Anomaly associated with geomagnetic activity, J. Geophys. Res. Space Physics, 118, 6608–6617, doi:10.1002/jgra.50566.
More...

Kim, H., X. Cai, C. R. Clauer, B. S. R. Kunduri, J. Matzka, C. Stolle, and D. R. Weimer (2013), Geomagnetic response to solar wind dynamic pressure impulse events at high-latitude conjugate points, J. Geophys. Res. Space Physics, 118, 6055–6071, doi:10.1002/jgra.50555.
More...

Kissinger, J., F. D. Wilder, R. L. McPherron, T.-S. Hsu, J. B. H. Baker, and L. Kepko (2013), Statistical occurrence and dynamics of the Harang discontinuity during steady magnetospheric convection, J. Geophys. Res. Space Physics, 118, 5127–5135, doi:10.1002/jgra.50503.
More...

de Larquier, S., P. Ponomarenko, A. J. Ribeiro, J. M. Ruohoniemi, J. B. H. Baker, K. T. Sterne, and M. Lester (2013), On the spatial distribution of decameter‒scale subauroral ionospheric irregularities observed by SuperDARN radars, J. Geophys. Res. Space Physics, 118, 5244–5254, doi:10.1002/jgra.50475.
More...

Ribeiro, A. J., J. M. Ruohoniemi, P. V. Ponomarenko, L. B. N. Clausen, J. B. H. Baker, R. A. Greenwald, K. Oksavik, and S. de Larquier (2013), A comparison of SuperDARN ACF fitting methods, Radio Sci., 48, 274-282, doi:10.1002/rds.20031.
More...

Ribeiro, A. J., P. V. Ponomarenko, J. M. Ruohoniemi, J. B. H. Baker, L. B. N. Clausen, R. A. Greenwald, and S. de Larquier (2013), A realistic radar data simulator for the Super Dual Auroral Radar Network, Radio Sci., 48, 283-288, doi:10.1002/rds.20032.
More...

Wilder, F. D., S. Eriksson, H. Korth, J. B. H. Baker, M. R. Hairston, C. Heinselman, and B. J. Anderson (2013), Field-aligned current reconfiguration and magnetospheric response to an impulse in the interplanetary magnetic field BY component, Geophys. Res. Lett., 40, 2489–2494, doi:10.1002/grl.50505.
More...

Clausen, L. B. N., S. E. Milan, J. B. H. Baker, J. M. Ruohoniemi, K.-H. Glassmeier, J. C. Coxon, and B. J. Anderson (2013), On the influence of open magnetic flux on substorm intensity: ground- and space-based observations, J. Geophys. Res. Space Physics, 118, 2958–2969, doi:10.1002/jgra.50308.
More...

Clausen, L. B. N., J. B. H. Baker, J. M. Ruohoniemi, S. E. Milan, J. C. Coxon, S. Wing, S. Ohtani, and B. J. Anderson (2013), Temporal and spatial dynamics of the regions 1 and 2 Birkeland currents during substorms, J. Geophys. Res. Space Physics, 118, 3007–3016, doi:10.1002/jgra.50288.
More...

Prikryl, P., R. Ghoddousi-Fard, B. S. R. Kunduri, E. G. Thomas, A. J. Coster, P. T. Jayachandran, E. Spanswick, and D. W. Danskin (2013), GPS phase scintillation and proxy index at high latitudes during a moderate geomagnetic storm, Ann. Geophys., 31, 805-816, doi:10.5194/angeo-31-805-2013.
More...

Thomas, E. G., J. B. H. Baker, J. M. Ruohoniemi, L. B. N. Clausen, A. J. Coster, J. C. Foster, and P. J. Erickson (2013), Direct observations of the role of convection electric field in the formation of a polar tongue of ionization from storm enhanced density, J. Geophys. Res. Space Physics, 118, 1180–1189, doi:10.1002/jgra.50116.
More...

Zhang, Q. -H., B.-C. Zhang, M. Lockwood, H.-Q. Hu, J. Moen, J. M. Ruohoniemi, E. G. Thomas, S.-R. Zhang, H.-G. Yang, R.-Y. Liu, K. A. McWilliams, and J. B. H. Baker (2013), Direct Observations of the Evolution of Polar Cap Ionization Patches, Science, 339, 1597-1600, doi:10.1123/science.1231487.
More...

Mahmoudian, A., W. A. Scales, P. A. Bernhardt, A. Samimi, E. Kendall, J. M. Ruohoniemi, B. Isham, O. Vega-Cancel, and M. Bordikar (2013), Ion gyro-harmonic structuring in the stimulated radiation spectrum and optical emissions during electron gyro-harmonic heating, J. Geophys. Res. Space Physics, 118, 1270–1287 doi:10.1002/jgra.50167.
More...

Kunduri, B. S. R., J. B. H. Baker, J. M. Ruohoniemi, L. B. N. Clausen, A. Grocott, E. G. Thomas, M. P. Freeman, and E. R. Talaat (2012), An examination of inter-hemispheric conjugacy in a subauroral polarization stream, J. Geophys. Res., 117, A08225, doi:10.1029/2012JA017784.
More...

Clausen, L. B. N., J. B. H. Baker, J. M. Ruohoniemi, S. E. Milan, and B. J. Anderson (2012), Dynamics of the region 1 Birkeland current oval derived from the Active Magnetospheric and Planetary Electrodynamics Response Experiment (AMPERE), J. Geophys. Res., 117, A06233, doi:10.1029/2012JA017666.
More...

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Co-Authored Publications
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...

Gallardo-Lacourt, B., Y. Nishimura, L. R. Lyons, S. Zou, V. Angelopoulos, E. Donovan, K. A. McWilliams, J. M. Ruohoniemi, and N. Nishitani (2014), Coordinated SuperDARN-THEMIS ASI observations of mesoscale flow bursts associated with auroral streamers, J. Geophys. Res. Space Physics, 119, 142–150, doi:10.1002/2013JA019245.
More...

Zou, Y., Y. Nishimura, L. R. Lyons, E. F. Donovan, J. M. Ruohoniemi, N. Nishitani, and K. A. McWilliams (2014), Statistical relationships between enhanced polar cap flows and PBIs, J. Geophys. Res. Space Physics, 119, 151–162, doi:10.1002/2013JA019269.
More...

McDonald, A. J., J. Whittington, S. de Larquier, E. Custovic, T. A. Kane, and J. C. Devlin (2013), Elevation angle-of-arrival determination for a standard and a modified superDARN HF radar layout, Radio Sci., 48, 709–721, doi:10.1002/2013RS005157.
More...

Zou, S., A. J. Ridley, M. B. Moldwin, M. J. Nicolls, A. J. Coster, E. G. Thomas, and J. M. Ruohoniemi (2013), Multi-instrument observations of SED during 24–25 October 2011 storm: Implications for SED formation processes, J. Geophys. Res. Space Physics, 118, 7798–7809, doi:10.1002/2013JA018860.
More...

Lyons, L. R., Y. Nishimura, B. Gallardo-Lacourt, Y. Zou, E. Donovan, S. Mende, V. Angelopoulos, J. M. Ruohoniemi, and K. McWilliams (2013), Westward traveling surges: Sliding along boundary arcs and distinction from onset arc brightening, J. Geophys. Res. Space Physics, 118, 7643–7653, doi:10.1002/2013JA019334.
More...

Milan, S. E., A. Grocott, S. de Larquier, M. Lester, T. K. Yeoman, M. P. Freeman, and G. Chisham (2013), Traveling ionospheric disturbances in the Weddell Sea Anomaly associated with geomagnetic activity, J. Geophys. Res. Space Physics, 118, 6608–6617, doi:10.1002/jgra.50566.
More...

Kim, H., X. Cai, C. R. Clauer, B. S. R. Kunduri, J. Matzka, C. Stolle, and D. R. Weimer (2013), Geomagnetic response to solar wind dynamic pressure impulse events at high-latitude conjugate points, J. Geophys. Res. Space Physics, 118, 6055–6071, doi:10.1002/jgra.50555.
More...

Kissinger, J., F. D. Wilder, R. L. McPherron, T.-S. Hsu, J. B. H. Baker, and L. Kepko (2013), Statistical occurrence and dynamics of the Harang discontinuity during steady magnetospheric convection, J. Geophys. Res. Space Physics, 118, 5127–5135, doi:10.1002/jgra.50503.
More...

de Larquier, S., P. Ponomarenko, A. J. Ribeiro, J. M. Ruohoniemi, J. B. H. Baker, K. T. Sterne, and M. Lester (2013), On the spatial distribution of decameter‒scale subauroral ionospheric irregularities observed by SuperDARN radars, J. Geophys. Res. Space Physics, 118, 5244–5254, doi:10.1002/jgra.50475.
More...

Ribeiro, A. J., J. M. Ruohoniemi, P. V. Ponomarenko, L. B. N. Clausen, J. B. H. Baker, R. A. Greenwald, K. Oksavik, and S. de Larquier (2013), A comparison of SuperDARN ACF fitting methods, Radio Sci., 48, 274-282, doi:10.1002/rds.20031.
More...

Ribeiro, A. J., P. V. Ponomarenko, J. M. Ruohoniemi, J. B. H. Baker, L. B. N. Clausen, R. A. Greenwald, and S. de Larquier (2013), A realistic radar data simulator for the Super Dual Auroral Radar Network, Radio Sci., 48, 283-288, doi:10.1002/rds.20032.
More...

Wilder, F. D., S. Eriksson, H. Korth, J. B. H. Baker, M. R. Hairston, C. Heinselman, and B. J. Anderson (2013), Field-aligned current reconfiguration and magnetospheric response to an impulse in the interplanetary magnetic field BY component, Geophys. Res. Lett., 40, 2489–2494, doi:10.1002/grl.50505.
More...

Clausen, L. B. N., S. E. Milan, J. B. H. Baker, J. M. Ruohoniemi, K.-H. Glassmeier, J. C. Coxon, and B. J. Anderson (2013), On the influence of open magnetic flux on substorm intensity: ground- and space-based observations, J. Geophys. Res. Space Physics, 118, 2958–2969, doi:10.1002/jgra.50308.
More...

Clausen, L. B. N., J. B. H. Baker, J. M. Ruohoniemi, S. E. Milan, J. C. Coxon, S. Wing, S. Ohtani, and B. J. Anderson (2013), Temporal and spatial dynamics of the regions 1 and 2 Birkeland currents during substorms, J. Geophys. Res. Space Physics, 118, 3007–3016, doi:10.1002/jgra.50288.
More...

Prikryl, P., R. Ghoddousi-Fard, B. S. R. Kunduri, E. G. Thomas, A. J. Coster, P. T. Jayachandran, E. Spanswick, and D. W. Danskin (2013), GPS phase scintillation and proxy index at high latitudes during a moderate geomagnetic storm, Ann. Geophys., 31, 805-816, doi:10.5194/angeo-31-805-2013.
More...

Thomas, E. G., J. B. H. Baker, J. M. Ruohoniemi, L. B. N. Clausen, A. J. Coster, J. C. Foster, and P. J. Erickson (2013), Direct observations of the role of convection electric field in the formation of a polar tongue of ionization from storm enhanced density, J. Geophys. Res. Space Physics, 118, 1180–1189, doi:10.1002/jgra.50116.
More...

Zhang, Q. -H., B.-C. Zhang, M. Lockwood, H.-Q. Hu, J. Moen, J. M. Ruohoniemi, E. G. Thomas, S.-R. Zhang, H.-G. Yang, R.-Y. Liu, K. A. McWilliams, and J. B. H. Baker (2013), Direct Observations of the Evolution of Polar Cap Ionization Patches, Science, 339, 1597-1600, doi:10.1123/science.1231487.
More...

Mahmoudian, A., W. A. Scales, P. A. Bernhardt, A. Samimi, E. Kendall, J. M. Ruohoniemi, B. Isham, O. Vega-Cancel, and M. Bordikar (2013), Ion gyro-harmonic structuring in the stimulated radiation spectrum and optical emissions during electron gyro-harmonic heating, J. Geophys. Res. Space Physics, 118, 1270–1287 doi:10.1002/jgra.50167.
More...

Kunduri, B. S. R., J. B. H. Baker, J. M. Ruohoniemi, L. B. N. Clausen, A. Grocott, E. G. Thomas, M. P. Freeman, and E. R. Talaat (2012), An examination of inter-hemispheric conjugacy in a subauroral polarization stream, J. Geophys. Res., 117, A08225, doi:10.1029/2012JA017784.
More...

Clausen, L. B. N., J. B. H. Baker, J. M. Ruohoniemi, S. E. Milan, and B. J. Anderson (2012), Dynamics of the region 1 Birkeland current oval derived from the Active Magnetospheric and Planetary Electrodynamics Response Experiment (AMPERE), J. Geophys. Res., 117, A06233, doi:10.1029/2012JA017666.
More...

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