Publications
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:10.1126/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...

Shi, Y., E. Zesta, L. R. Lyons, J. Yang, A. Boudouridis, Y. S. Ge, J. M. Ruohoniemi, and S. Mende (2012), Two-dimensional ionospheric flow pattern associated with auroral streamers, J. Geophys. Res., 117, A02208, doi:10.1029/2011JA017110.
More...

Lu, G., et al. (2011), Reversed two-cell convection in the Northern and Southern hemispheres during northward interplanetary magnetic field, J. Geophys. Res., 116, A12237, doi:10.1029/2011JA017043.
More...

Wilder, F. D., C. R. Clauer, J. B. H. Baker, E. P. Cousins, and M. R. Hairston (2011), The nonlinear response of the polar cap potential under southward IMF: A statistical view, J. Geophys. Res., 116, A12229, doi:10.1029/2011JA016924.
More...

Lyons, L. R., Y. Nishimura, H.-J. Kim, E. Donovan, V. Angelopoulos, G. Sofko, M. Nicolls, C. Heinselman, J. M. Ruohoniemi, and N. Nishitani (2011), Possible connection of polar cap flows to pre- and post-substorm onset PBIs and streamers, J. Geophys. Res., 116, A12225, doi:10.1029/2011JA016850.
More...

Baker, J. B. H., J. M. Ruohoniemi, A. J. Ribeiro, L. B. N. Clausen, R. A. Greenwald, N. A. Frissell, K. A. Sterne, “SuperDARN ionospheric space weather”, Aerospace and Electronic Systems Magazine, IEEE, vol 26, no.10, pp 30-34, doi:10.1109/MAES.2011.6065656, 2011.
More...

Grocott, A., S. E. Milan, J. B. H. Baker, M. P. Freeman, M. Lester, and T. K. Yeoman (2011), Dynamic subauroral ionospheric electric fields observed by the Falkland Islands radar during the course of a geomagnetic storm, J. Geophys. Res., 116, A11202, doi:10.1029/2011JA016763.
More...

Boudouridis, A., L. R. Lyons, E. Zesta, J. M. Weygand, A. J. Ribeiro, and J. M. Ruohoniemi (2011), Statistical study of the effect of solar wind dynamic pressure fronts on the dayside and nightside ionospheric convection, J. Geophys. Res., 116, A10233, doi:10.1029/2011JA016582.
More...

de Larquier, S., J. M. Ruohoniemi, J. B. H. Baker, N. Ravindran Varrier, and M. Lester (2011), First observations of the midlatitude evening anomaly using Super Dual Auroral Radar Network (SuperDARN) radars, J. Geophys. Res., 116, A10321, doi:10.1029/2011JA016787.
More...

Wilder, F. D., C. R. Clauer, J. B. H. Baker, and P. T. Newell (2011), Interhemispheric observations of dayside convection under northward IMF, J. Geophys. Res., 116, A10230, doi:10.1029/2011JA016748.
More...

Clausen, L. B. N., J. B. H. Baker, J. M. Ruohoniemi, and H. J. Singer (2011), EMIC waves observed at geosynchronous orbit during solar minimum: Statistics and excitation, J. Geophys. Res., 116, A10205, doi:10.1029/2011JA016823.
More...

Clausen, L. B. N., J. B. H. Baker, J. M. Ruohoniemi, and H. J. Singer (2011), ULF wave characteristics at geosynchronous orbit during the recovery phase of geomagnetic storms associated with strong electron acceleration, J. Geophys. Res., 116, A09203, doi:10.1029/2011JA016666.
More...

Ribeiro, A. J., J. M. Ruohoniemi, J. B. H. Baker, L. B. N. Clausen, S. de Larquier, and R. A. Greenwald (2011), A new approach for identifying ionospheric backscatter in midlatitude SuperDARN HF radar observations, Radio Sci., 46, RS4011, doi:10.1029/2011RS004676.
More...

Sterne, K.T., R.A. Greenwald, J.B.H. Baker, J.M. Ruohoniemi (2011), Modeling of a twin terminated folded dipole array for the Super Dual Auroral Radar Network (SuperDARN), Proceedings of the 2011 IEEE Radar Conference, IEEE, ISBN 978-1-4244-8902-2, pp 934-938, 23-27 May
More...

Rinne, Y., J. Moen, J. B. H. Baker, and H. C. Carlson (2011), Convection surrounding mesoscale ionospheric flow channels, J. Geophys. Res., 116, A05213, doi:10.1029/2010JA015997.
More...

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Co-Authored Publications
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:10.1126/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...

Shi, Y., E. Zesta, L. R. Lyons, J. Yang, A. Boudouridis, Y. S. Ge, J. M. Ruohoniemi, and S. Mende (2012), Two-dimensional ionospheric flow pattern associated with auroral streamers, J. Geophys. Res., 117, A02208, doi:10.1029/2011JA017110.
More...

Lu, G., et al. (2011), Reversed two-cell convection in the Northern and Southern hemispheres during northward interplanetary magnetic field, J. Geophys. Res., 116, A12237, doi:10.1029/2011JA017043.
More...

Wilder, F. D., C. R. Clauer, J. B. H. Baker, E. P. Cousins, and M. R. Hairston (2011), The nonlinear response of the polar cap potential under southward IMF: A statistical view, J. Geophys. Res., 116, A12229, doi:10.1029/2011JA016924.
More...

Lyons, L. R., Y. Nishimura, H.-J. Kim, E. Donovan, V. Angelopoulos, G. Sofko, M. Nicolls, C. Heinselman, J. M. Ruohoniemi, and N. Nishitani (2011), Possible connection of polar cap flows to pre- and post-substorm onset PBIs and streamers, J. Geophys. Res., 116, A12225, doi:10.1029/2011JA016850.
More...

Baker, J. B. H., J. M. Ruohoniemi, A. J. Ribeiro, L. B. N. Clausen, R. A. Greenwald, N. A. Frissell, K. A. Sterne, “SuperDARN ionospheric space weather”, Aerospace and Electronic Systems Magazine, IEEE, vol 26, no.10, pp 30-34, doi:10.1109/MAES.2011.6065656, 2011.
More...

Grocott, A., S. E. Milan, J. B. H. Baker, M. P. Freeman, M. Lester, and T. K. Yeoman (2011), Dynamic subauroral ionospheric electric fields observed by the Falkland Islands radar during the course of a geomagnetic storm, J. Geophys. Res., 116, A11202, doi:10.1029/2011JA016763.
More...

Boudouridis, A., L. R. Lyons, E. Zesta, J. M. Weygand, A. J. Ribeiro, and J. M. Ruohoniemi (2011), Statistical study of the effect of solar wind dynamic pressure fronts on the dayside and nightside ionospheric convection, J. Geophys. Res., 116, A10233, doi:10.1029/2011JA016582.
More...

de Larquier, S., J. M. Ruohoniemi, J. B. H. Baker, N. Ravindran Varrier, and M. Lester (2011), First observations of the midlatitude evening anomaly using Super Dual Auroral Radar Network (SuperDARN) radars, J. Geophys. Res., 116, A10321, doi:10.1029/2011JA016787.
More...

Wilder, F. D., C. R. Clauer, J. B. H. Baker, and P. T. Newell (2011), Interhemispheric observations of dayside convection under northward IMF, J. Geophys. Res., 116, A10230, doi:10.1029/2011JA016748.
More...

Clausen, L. B. N., J. B. H. Baker, J. M. Ruohoniemi, and H. J. Singer (2011), EMIC waves observed at geosynchronous orbit during solar minimum: Statistics and excitation, J. Geophys. Res., 116, A10205, doi:10.1029/2011JA016823.
More...

Clausen, L. B. N., J. B. H. Baker, J. M. Ruohoniemi, and H. J. Singer (2011), ULF wave characteristics at geosynchronous orbit during the recovery phase of geomagnetic storms associated with strong electron acceleration, J. Geophys. Res., 116, A09203, doi:10.1029/2011JA016666.
More...

Ribeiro, A. J., J. M. Ruohoniemi, J. B. H. Baker, L. B. N. Clausen, S. de Larquier, and R. A. Greenwald (2011), A new approach for identifying ionospheric backscatter in midlatitude SuperDARN HF radar observations, Radio Sci., 46, RS4011, doi:10.1029/2011RS004676.
More...

Sterne, K.T., R.A. Greenwald, J.B.H. Baker, J.M. Ruohoniemi (2011), Modeling of a twin terminated folded dipole array for the Super Dual Auroral Radar Network (SuperDARN), Proceedings of the 2011 IEEE Radar Conference, IEEE, ISBN 978-1-4244-8902-2, pp 934-938, 23-27 May
More...

Rinne, Y., J. Moen, J. B. H. Baker, and H. C. Carlson (2011), Convection surrounding mesoscale ionospheric flow channels, J. Geophys. Res., 116, A05213, doi:10.1029/2010JA015997.
More...

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1 2 3 4




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