All Stories

  1. HF Radar Observations and Modeling of the Impact of the 8 April 2024 Total Solar Eclipse on the Ionosphere‐Thermosphere System

    Article • Geophysical Research Letters, December 2024, American Geophysical Union (AGU)

    Evan G Thomas

  2. Multi‐Frequency SuperDARN HF Radar Observations of the Ionospheric Response to the October 2023 Annular Solar Eclipse

    Article • Geophysical Research Letters, December 2024, American Geophysical Union (AGU)

    Evan G Thomas

  3. Multi‐Frequency SuperDARN Interferometer Calibration

    Article • Radio Science, July 2024, American Geophysical Union (AGU)

    Evan G Thomas

  4. Imaging Ionospheric Electric Fields and Conductances at Small-Scales Globally: Advancing Research on Cross-Scale Coupling in the M-I-T System

    Article • July 2023, American Astronomical Society

    Evan G Thomas

  5. Networked HF Sounding to Determine the High-Latitude Ionospheric Conductivity

    Article • July 2023, American Astronomical Society

    Evan G Thomas

  6. The importance of extreme dynamic signatures in the sub-auroral region

    Article • July 2023, American Astronomical Society

    Evan G Thomas, Dr Alexa J Halford

  7. Dusk‐Dawn Asymmetries in SuperDARN Convection Maps

    Article • Journal of Geophysical Research Space Physics, December 2022, American Geophysical Union (AGU)

    Evan G Thomas

  8. Multi-instrument observations of polar cap patches and traveling ionospheric disturbances generated by solar wind Alfvén waves coupling to the dayside magnetosphere

    Article • Annales Geophysicae, November 2022, Copernicus GmbH

    Evan G Thomas

  9. An Examination of SuperDARN Backscatter Modes Using Machine Learning Guided by Ray‐Tracing

    Article • Space Weather, September 2022, American Geophysical Union (AGU)

    Evan G Thomas

  10. Traveling Ionospheric Disturbances in the Vicinity of Storm‐Enhanced Density at Midlatitudes

    Article • Journal of Geophysical Research Space Physics, August 2022, American Geophysical Union (AGU)

    Evan G Thomas

  11. Ionospheric Boundaries Derived From Auroral Images

    Article • Journal of Geophysical Research Space Physics, July 2022, American Geophysical Union (AGU)

    Evan G Thomas

  12. Virtual Height Characteristics of Ionospheric and Ground Scatter Observed by Mid‐Latitude SuperDARN HF Radars

    Article • Radio Science, June 2022, American Geophysical Union (AGU)

    Evan G Thomas

  13. Super Dual Auroral Radar Network Expansion and Its Influence on the Derived Ionospheric Convection Pattern

    Article • Journal of Geophysical Research Space Physics, February 2022, American Geophysical Union (AGU)

    Evan G Thomas

  14. Quantifying the Lobe Reconnection Rate During Dominant IMF By Periods and Different Dipole Tilt Orientations

    Article • Journal of Geophysical Research Space Physics, November 2021, American Geophysical Union (AGU)

    Evan G Thomas

  15. Quantifying the lobe reconnection rate during dominant IMF By periods

    Article • July 2021, Wiley

    Evan G Thomas

  16. Comparison of interferometer calibration techniques for improved SuperDARN elevation angles

    Article • Polar Science, June 2021, Elsevier

    Evan G Thomas

  17. Editorial: Special issue: “SuperDARN / Studies of Geospace Dynamics - Today and Future”

    Article • Polar Science, June 2021, Elsevier

    Evan G Thomas

  18. Quantifying the lobe reconnection rate during dominant IMF By periods

    Article • March 2021, Copernicus GmbH

    Evan G Thomas

  19. Bistatic Observations With SuperDARN HF Radars: First Results

    Article • Radio Science, August 2020, American Geophysical Union (AGU)

    Evan G Thomas

  20. Geomagnetic Storm‐Induced Plasma Density Enhancements in the Southern Polar Ionospheric Region: A Comparative Study Using St. Patrick's Day Storms of 2013 and 2015

    Article • Space Weather, July 2020, American Geophysical Union (AGU)

    Prof. Anil Bhardwaj, Evan G Thomas

  21. An Improved Estimation of SuperDARN Heppner‐Maynard Boundaries Using AMPERE Data

    Article • Journal of Geophysical Research Space Physics, May 2020, American Geophysical Union (AGU)

    Evan G Thomas

  22. AMPERE polar cap boundaries

    Article • Annales Geophysicae, April 2020, Copernicus GmbH

    Evan G Thomas

  23. Polar Cap Patch Prediction in the Expanding Contracting Polar Cap Paradigm

    Article • Space Weather, November 2019, American Geophysical Union (AGU)

    Evan G Thomas

  24. AMPERE Polar Cap Boundaries

    Article • August 2019, Copernicus GmbH

    Evan G Thomas

  25. Separation and Quantification of Ionospheric Convection Sources: 2. The Dipole Tilt Angle Influence on Reverse Convection Cells During Northward IMF

    Article • Journal of Geophysical Research Space Physics, July 2019, American Geophysical Union (AGU)

    Evan G Thomas

  26. Spatial Variation in the Responses of the Surface External and Induced Magnetic Field to the Solar Wind

    Article • Journal of Geophysical Research Space Physics, July 2019, American Geophysical Union (AGU)

    Evan G Thomas

  27. Review of the accomplishments of mid-latitude Super Dual Auroral Radar Network (SuperDARN) HF radars

    Article • Progress in Earth and Planetary Science, March 2019, Springer Science + Business Media

    Evan G Thomas

  28. Statistical Patterns of Ionospheric Convection Derived From Mid‐latitude, High‐Latitude, and Polar SuperDARN HF Radar Observations

    Article • Journal of Geophysical Research Space Physics, April 2018, Wiley

    Evan G Thomas

  29. Ionospheric F-region response to the 26 September 2011 geomagnetic storm in the Antarctica American and Australian sectors

    Article • Annales Geophysicae, October 2017, Copernicus GmbH

    Evan G Thomas

  30. Statistical characterization of the large‐scale structure of the subauroral polarization stream

    Article • Journal of Geophysical Research Space Physics, June 2017, American Geophysical Union (AGU)

    Evan G Thomas

  31. PFISR observation of intense ion upflow fluxes associated with an SED during the 1 June 2013 geomagnetic storm

    Article • Journal of Geophysical Research Space Physics, February 2017, American Geophysical Union (AGU)

    Evan G Thomas

  32. Earth's ion upflow associated with polar cap patches: Global and in situ observations

    Article • Geophysical Research Letters, March 2016, American Geophysical Union (AGU)

    Evan G Thomas

  33. The geomagnetic storm time response of GPS total electron content in the North American sector

    Article • Journal of Geophysical Research Space Physics, February 2016, American Geophysical Union (AGU)

    Evan G Thomas

  34. GPS Phase Scintillation at High Latitudes during Two Geomagnetic Storms

    Article • November 2015, Wiley

    Evan G Thomas

  35. Observations of storm time midlatitude ion-neutral coupling using SuperDARN radars and NATION Fabry-Perot interferometers

    Article • Journal of Geophysical Research Space Physics, October 2015, American Geophysical Union (AGU)

    Pratik Joshi, Evan G Thomas

  36. Multi‐instrument, high‐resolution imaging of polar cap patch transportation

    Article • Radio Science, September 2015, American Geophysical Union (AGU)

    Evan G Thomas

  37. Formation of polar ionospheric tongue of ionization during minor geomagnetic disturbed conditions

    Article • Journal of Geophysical Research Space Physics, August 2015, American Geophysical Union (AGU)

    Evan G Thomas

  38. Dense plasma and Kelvin‐Helmholtz waves at Earth's dayside magnetopause

    Article • Journal of Geophysical Research Space Physics, July 2015, American Geophysical Union (AGU)

    Evan G Thomas

  39. GPS phase scintillation at high latitudes during geomagnetic storms of 7–17 March 2012 – Part 1: The North American sector

    Article • Annales Geophysicae, June 2015, Copernicus GmbH

    Evan G Thomas

  40. GPS phase scintillation at high latitudes during geomagnetic storms of 7–17 March 2012 – Part 2: Interhemispheric comparison

    Article • Annales Geophysicae, June 2015, Copernicus GmbH

    Evan G Thomas

  41. On the generation/decay of the storm-enhanced density plumes: Role of the convection flow and field-aligned ion flow

    Article • Journal of Geophysical Research Space Physics, October 2014, American Geophysical Union (AGU)

    Evan G Thomas

  42. Multi-instrument observations of SED during 24-25 October 2011 storm: Implications for SED formation processes

    Article • Journal of Geophysical Research Space Physics, December 2013, American Geophysical Union (AGU)

    Evan G Thomas

  43. GPS phase scintillation and proxy index at high latitudes during a moderate geomagnetic storm

    Article • Annales Geophysicae, May 2013, Copernicus GmbH

    Evan G Thomas

  44. Direct Observations of the Evolution of Polar Cap Ionization Patches

    Article • Science, March 2013, American Association for the Advancement of Science

    Evan G Thomas

  45. Direct observations of the role of convection electric field in the formation of a polar tongue of ionization from storm enhanced density

    Article • Journal of Geophysical Research Space Physics, March 2013, American Geophysical Union (AGU)

    Evan G Thomas

  46. An examination of inter‐hemispheric conjugacy in a subauroral polarization stream

    Article • Journal of Geophysical Research Atmospheres, August 2012, American Geophysical Union (AGU)

    Evan G Thomas

  47. Large‐scale observations of a subauroral polarization stream by midlatitude SuperDARN radars: Instantaneous longitudinal velocity variations

    Article • Journal of Geophysical Research Atmospheres, May 2012, American Geophysical Union (AGU)

    Evan G Thomas