Publications : Virginia Tech SuperDARN

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A comparison of SuperDARN ACF fitting methods

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.

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.

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.

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Ribeiro A. J., P. V. Ponomarenko, J. M. Ruohoniemi, J. B. H. Baker, L. B. N. Clausen, R. A.
Greenwald, S. de Larquier (2012), A realistic radar data simulator for the Super Dual Auroral
Radar Network, Radio Science, Submitted Dec. 2012.

Zhou, S., A. Ridley, M. Moldwin, M. Nicolls, A. J. Coster, E. G. Thomas, and J. M. Ruohoniemi (2013), Multi-instrument observations of storm enhanced density (SED) during Oct. 24-25 2011 storm: Implications for SED formation processes, J. Geophys. Res., in preparation.

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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.

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.

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.

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.

Kalafatoglu, E.C., Z. Kaymaz, N.A. Frissell, and J.M. Ruohoniemi (2012), Comparing upper atmospheric joule heating using different methods for March 8, 2008 substorms, Geophys. Res. Lett., submitted.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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Co-Authored Publications

A comparison of SuperDARN ACF fitting methods

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.

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.

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.

na

Ribeiro A. J., P. V. Ponomarenko, J. M. Ruohoniemi, J. B. H. Baker, L. B. N. Clausen, R. A.
Greenwald, S. de Larquier (2012), A realistic radar data simulator for the Super Dual Auroral
Radar Network, Radio Science, Submitted Dec. 2012.

Zhou, S., A. Ridley, M. Moldwin, M. Nicolls, A. J. Coster, E. G. Thomas, and J. M. Ruohoniemi (2013), Multi-instrument observations of storm enhanced density (SED) during Oct. 24-25 2011 storm: Implications for SED formation processes, J. Geophys. Res., in preparation.

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tbd

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.

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.

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.

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.

Kalafatoglu, E.C., Z. Kaymaz, N.A. Frissell, and J.M. Ruohoniemi (2012), Comparing upper atmospheric joule heating using different methods for March 8, 2008 substorms, Geophys. Res. Lett., submitted.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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