Publications
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...

Kim, H.-J., L. R. Lyons, J. M. Ruohoniemi, N. A. Frissell, and J. B. Baker (2012), Principal component analysis of polar cap convection, Geophys. Res. Lett., 39, L11105, doi:10.1029/2012GL052083.
More...

Clausen, L. B. N., J. B. H. Baker, J. M. Ruohoniemi, R. A. Greenwald, E. G. Thomas, S. G. Shepherd, E. R. Talaat, W. A. Bristow, Y. Zheng, A. J. Coster, and S. Sazykin (2012), Large-scale observations of a subauroral polarization stream by mid-latitude SuperDARN radars: Instantaneous longitudinal velocity variations, J. Geophys. Res., 117, A05306, doi:10.1029/2011JA017232.
More...

Ribeiro, A. J., J. M. Ruohoniemi, J. B. H. Baker, L. B. N. Clausen, R. A. Greenwald, and M. Lester (2012), A survey of plasma irregularities as seen by the midlatitude Blackstone SuperDARN radar, J. Geophys. Res., 117, A02311, doi:10.1029/2011JA017207.
More...

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Co-Authored Publications
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...

Kim, H.-J., L. R. Lyons, J. M. Ruohoniemi, N. A. Frissell, and J. B. Baker (2012), Principal component analysis of polar cap convection, Geophys. Res. Lett., 39, L11105, doi:10.1029/2012GL052083.
More...

Clausen, L. B. N., J. B. H. Baker, J. M. Ruohoniemi, R. A. Greenwald, E. G. Thomas, S. G. Shepherd, E. R. Talaat, W. A. Bristow, Y. Zheng, A. J. Coster, and S. Sazykin (2012), Large-scale observations of a subauroral polarization stream by mid-latitude SuperDARN radars: Instantaneous longitudinal velocity variations, J. Geophys. Res., 117, A05306, doi:10.1029/2011JA017232.
More...

Ribeiro, A. J., J. M. Ruohoniemi, J. B. H. Baker, L. B. N. Clausen, R. A. Greenwald, and M. Lester (2012), A survey of plasma irregularities as seen by the midlatitude Blackstone SuperDARN radar, J. Geophys. Res., 117, A02311, doi:10.1029/2011JA017207.
More...

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1 2 3 4




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