Here is a sampling of publications and presentations.
FaceBook Live event with the SciTech Discovery Center.
Association Between EMIC Wave Occurrence and Enhanced Convection Periods During Ion Injections, B. Remya et al 2020, GRL
Application Usability Levels: A framework for tracking Project product progress - On ArXiv.org accepted in Space Weather Space Climate Summer 2019 - By A.J. Halford, A.C. Kellerman, and many many more...
White paper on the Application Usability Levels Fall 2018
Panelist on "And Beyond… the Next 60 Years of NASA" March 2019
Developing the LDi and LCi Geomagnetic Indices, and Example of Application of the AULs Framework, C. Cid et al, 2019 Space Weather
The petitSat Mission-Science Goals and Instrumentation, J. Klenzing et al 2019, Advances in Space Research
Association Between EMIC Wave Occurrence and Enhanced Convection Periods During Ion Injections, B. Remya et al 2020, GRL
Application Usability Levels: A framework for tracking Project product progress - On ArXiv.org accepted in Space Weather Space Climate Summer 2019 - By A.J. Halford, A.C. Kellerman, and many many more...
White paper on the Application Usability Levels Fall 2018
Panelist on "And Beyond… the Next 60 Years of NASA" March 2019
Developing the LDi and LCi Geomagnetic Indices, and Example of Application of the AULs Framework, C. Cid et al, 2019 Space Weather
The petitSat Mission-Science Goals and Instrumentation, J. Klenzing et al 2019, Advances in Space Research
- Generation of EMIC waves and Effects onParticle Precipitation During a Solar Wind Pressure Intensification with Bz>0, Marc Lessard et al 2019, JGR
- Building an open source software ecosystem for cross-disciplinary plasma research and education, Murphy et al 2019, white paper for the Decadal Assessment of Plasma Science 2020 for the National Academies.
- On the Contribution of EMIC Waves to the Reconfiguration of the Relativistic Electron Butterfly Pitch Angle Distribution Space on 2014 September 12- A Case Study, C. Medeiros et al 2019, The Astrophysical Journal
- The Evolution of a Pitch-Angle "Bite-Out" Scattering Signature Caused by EMIC Wave Activity: A Case Study, L. Bingly et al 2019, JGR.
- Massive Sunspots and huge solar flares mean unexpected space weather for Earth , A.J. Halford, B. A. Carter, J. Currie, September 2017 TheConversation.com
- Space physics and policy for contemporary society P.A. Cassak, A.G. Emslie, A.J. Halford, D.N. Baker, H.E. Spence, S.K. Avery, L.A. Fisk, (2017) JGR
- Investigating energetic electron precipitation through combining ground‐based and balloon observations
Mark A. Clilverd, Craig J. Rodger, Michael McCarthy, Robyn Millan, Lauren W. Blum, Neil Cobbett, James B. Brundell, Donald Danskin, Alexa J. Halford, (2017) JGR - EMIC waves and associated relativistic electron precipitaiton on 25-26 January 2013 - J. Zhang, A.J. Halford, A. Saikin, C-L Haung, H. Spence, B. Larsen, G. Reeves, R. Millan, C. Smith, R.Torbert, W. Kurth, C. Kletzig, J. Blake, J. Fennel, D. Baker, (2016) JGR
- Dependence of EMIC wave parameters during quiet, geomagnetic storm, and geomagnetic storm phase times - A.J. Halford, B.J. Fraser, S.K. Morley, S.R. Elkington, A.A. Chan, (2016) JGR
- BARREL observations of a solar energetic electron and solar energetic proton event - A.J. Halford, S.L. McGregor, M.K. Hudson, R.M. Millan, B.T. Kress, (2016) JGR
- Fall AGU 2015 Summary of precipitation events observed by BARREL during storms. PDF
- Space balloons and charged particles above the Arctic Circle - A. J. Halford
- Damaging electric currents in space affect Earth's equatorial region, not just the poles - B.A. Carter, A. J. Halford
- Interplanetary shocks and the resulting geomagnetically induced currents at the equator - B.A. Carter, E. Yizengaw, R. Pradipta, A. J. Halford, R. Norman, K. Zhang
- Observations of coincident EMIC wave activity and dusk-side energetic electron precipitation on 18–19 January 2013 - Blum, L.W., A.J. Halford, R. Millan, J.W. Bonnell, J. Goldstein, M. Usanova, M. Engebretson, M. Ohnsted, G. Reeves, and H. Singer, (2015) GRL
- Global-scale coherence modulation of radiation-belt electron loss from plasmaspheric hiss - Breneman, A., A.J. Halford, R. Millan, M. McCarthy, J. Fennel, J. Sample, L. Woodger, G. Hospodarsky, J.R. Wygant, C.A. Cattell, J. Goldstien, D. Malaspina, C.A. Kletzing, (2015) Nature
- A summary of the BARREL campaigns: Technique for studying electron precipitation - Woodger, L.A., A.J. Halford, R.M. Milan, M.P. McCarthy, D.M. Smith, J.G. Sample, B.Anderson, and the BARREL Team, (2015) JGR - Van Allen Probe Special issue
- Simulation of ULF wave modulated radiation belt electron precipitation during the 17 March 2013 storm - Brito, T., M.K. Hudson, B.R. Kress, J. Paral, A.J. Halford, R. Millian, and M. Usanova, (2015) JGR - Van Allen Probe Special issue
- BARREL observations of an ICME-Shock impact with the magnetosphere and the resultant radiation belt electron loss. - Halford, A.J., S. McGregor, K. Murphy, R.Millan, M. Hudson, L. Woodger, C. Cattell, A. Breneman, I.R. Mann, W. Kurth, G.Hospodarsky, M. Gkioulidou, J. Fennell, (2015) JGR
- Keene Library/Astronomical society lecture Painting the Sky: The Northern Lights
- EMIC Waves and Plasmaspheric and Plume Density: CRRES results - Halford, A.J., B.J. Fraser, S.K. Morley, (2015) JGR
- My google hangout talk "Space Balloons and Killer Electrons" at the University of Central Arkansas Society of Physics students seminar series. Contact @wslaton if you are interested in presenting.
- New conjunctive CubeSat and balloon measurements to quantify rapid energetic electron precipitation - Blum, L. W., Q. Schiller, X. Li, R. Millan, A. Halford, and L. Woodger, (2013) GRL
- Cluster 2013 conference talk on the BARREL mission (website or pdf)
- History of Ballooning lecture for a space policy class at Dartmouth College May 2013 (website or pdf)
- Oakland Nerdnite talk about space physics Dec. 2012 (website or pdf)
- Seminar given at Dartmouth College about EMIC waves and their ability to precipitate radiation belt electrons. May 2012 (website or pdf)
- The Balloon Array for RBSP Relativistic Electron Losses (BARREL) - Millan, R.M., M.P. McCarthy, J.G. Sample, D.M. Smith, L.D. Thompson, D.G. McGaw, L.A. Woodger, J.G. Hewitt, M.D. Comess, K.B. Yando, A.X. Liang, B.A. Anderson, N.R. Knezek, W.Z. Rexroad, J.M. Scheiman, G.S. Bowers, A.J. Halford, A.B. Collier, M.A. Cliverd, R.P. Lin, M.K. Hudson, (2013) Space Science Reviews
- EMIC waves association with geomagnetic storms, the plasmasphere and the radiation belts - Halford, A.J., (2012) Thesis from the University of Newcastle NSW Australia
- EMIC wave activity during geomagnetic storm and non-storm periods: CRRES results. - Halford, A.J., B. J. Fraser, and S. K. Morley (2010) JGR
- A parametric analysis of magnetospheric energy budgets of non-stormtime substorms - Halford, A.J., S.K. Morley, B.J. Fraser, (2008) Australian Institute of Physics 18th National Congress
- Latitudinal and seasonal variations of quasiperiodic and periodic VLF emissions in the outer magnetosphere -Engebretson, M. J., J. L. Posch, A.J. Halford, G. A. Shelburne, A. J. Smith, M. Spasojevic, U. S. Inan, and R. L. Arnoldy, (2004) JGR