Sciences and Exploration Directorate

Ian Giles Richardson

(RESEARCH ASSOCIATE)

 ian.g.richardson@nasa.gov

 301.286.3079

Org Code: 672

NASA/GSFC
Mail Code: 672
Greenbelt, MD 20771

Employer: UNIVERSITY OF MARYLAND AT COLLEGE PARK

Brief Bio


1978: BSc (1st class hons.) Physics, Imperial College London.

1983: PhD in Physics/Cosmic Rays and Space Physics, Imperial College, London

1981-88: Research Assistant, Space and Atmospheric Physics Group, Imperial College, London

1988-2010: Research Associate, Assistant Research Scientist, Associate Research Scientist, CRESST and Department of Astronomy, University of Maryland, College Park.

2010-2014: Assistant Research Scientist, CRESST and Department of Astronomy, University of Maryland, College Park.

2014-2016: Associate Research Scientist, CRESST and Department of Astronomy, University of Maryland, College Park.

2016-2021: Associate Research Scientist, GPHI and Department of Astronomy, University of Maryland, College Park.

2021-present: Principal Research Scientist, Phaser and Department of Astronomy, University of Maryland, College Park

Professional Service


American Geophysical Union Secretary for Solar and Heliospheric physics and member of the Space Physics and Aeronomy Executive Committee, 2010-2014; Coordinated SH sessions for five AGU Fall Meetings.


Past member SHINE Workshop Steering Committee


Member of Scientific Organizing Commitee for the AAS/AGU Triannual Earth-Space Summit, Indianapolis, April 2015.


Member of SOC for the Solar Wind 15 meeting, Brussels, 2018.

Education


B.Sc. (1st Class Honours) in Physics, Imperial College, University of London, 1978.


Ph.D. in Physics/Cosmic Rays & Space Physics, Imperial College, 1983.
Thesis title: "Spacecraft Observations at 1 AU of Low Energy Ions in Co-rotating Solar Wind Streams"; Supervisor: Dr. R. J. Hynds.

Professional Societies


American Geophysical Union

1989 - Present

Awards


American Geophysical Union "Editor's Citation for Excellence in Refereeing", cited by Wing Ip, Journal of Geophysical Research (Space Physics), 1990;

American Geophysical Union "Editor's Citation for Excellence in Refereeing", cited by J. H. Waite, Geophysical Research Letters, 1995;

American Geophysical Union "Editor's Citation for Excellence in Refereeing", cited by Shadia Habal, Journal of Geophysical Research (Space Physics), 2004;

American Geophysical Union "Editor's Citation for Excellence in Refereeing", cited by Louis Lanzerotti, Space Weather, 2006.

American Geophysical Union "Editor's Citation for Excellence in Refereeing", cited by Margaret Chen, Geophysical Research Letters, 2009.

American Geophysical Union "Editor's Citation for Excellence in Refereeing", cited by Michael Liemohn, Journal of Geophysical Research Space Physics, 2014.


Advances in Space Research "Top Ten Reviewer", 2015


University of Maryland Astronomy Department "Distinguished Research Scientist Prize", 2023


Goddard Space Flight Center Heliophysics Science Division Peer Award, 2023

Publications


Refereed

Cliver, E. W., S. M. White, and I. G. Richardson. 2024. A Floor in the Sun's Photospheric Magnetic Field: Implications for an Independent Small-scale Dynamo The Astrophysical Journal Letters 961 (2): L46 [10.3847/2041-8213/ad192e]

Palmerio, E., J. G. Luhmann, M. Leila Mays, et al. R. M. Caplan, D. Lario, I. G. Richardson, K. Whitman, C. O. Lee, B. Sánchez-Cano, N. Wijsen, Y. Li, C. Cardoso, M. Pinto, D. Heyner, D. Schmid, H.-U. Auster, and D. Fischer. 2024. Improved modelling of SEP event onset within the WSA–Enlil–SEPMOD framework Journal of Space Weather and Space Climate [10.1051/swsc/2024001]

Richardson, I. G., O. C. St. Cyr, J. T. Burkepile, H. Xie, and B. J. Thompson. 2023. Solar Energetic-Particle-Associated Coronal Mass Ejections Observed by the Mauna Loa Solar Observatory Mk3 and Mk4 Coronameters Solar Physics 298 (9): 105 [10.1007/s11207-023-02192-9]

Bruno, A., G. A. de Nolfo, I. G. Richardson, J. M. Ryan, and S. Dalla. 2023. Statistical Relationship between Long-duration High-energy Gamma-Ray Emission and Solar Energetic Particles The Astrophysical Journal 953 (2): 187 [10.3847/1538-4357/ace24c]

Farrugia, C. J., B. J. Vasquez, N. Lugaz, et al. N. A. Al-Haddad, I. G. Richardson, E. E. Davies, R. M. Winslow, B. Zhuang, C. Scolini, R. B. Torbert, L. B. Wilson, F. Regnault, A. Rogers, A. B. Galvin, and W. Yu. 2023. How Magnetic Reconnection May Affect the Coherence of Interplanetary Coronal Mass Ejections The Astrophysical Journal 953 (1): 15 [10.3847/1538-4357/acdcf7]

Temmer, M., C. Scolini, I. G. Richardson, et al. S. G. Heinemann, E. Paouris, A. Vourlidas, M. M. Bisi, N. Al-Haddad, T. Amerstorfer, L. Barnard, D. Burešová, S. Hofmeister, K. Iwai, B. Jackson, R. Jarolim, L. Jian, J. Linker, N. Lugaz, P. Manoharan, M. Mays, W. Mishra, M. Owens, E. Palmerio, B. Perri, J. Pomoell, R. Pinto, E. Samara, T. Singh, D. Sur, C. Verbeke, A. Veronig, and B. Zhuang. 2023. CME Propagation Through the Heliosphere: Status and Future of Observations and Model Development Advances in Space Research [10.1016/j.asr.2023.07.003]

Strauss, R. D., N. Dresing, I. G. Richardson, J. P. van den Berg, and P. J. Steyn. 2023. On the Onset Delays of Solar Energetic Electrons and Protons: Evidence for a Common Accelerator The Astrophysical Journal 951 (1): 2 [10.3847/1538-4357/acd3ef]

Lario, D., I. G. Richardson, A. Aran, and N. Wijsen. 2023. High-energy (>40 MeV) Proton Intensity Enhancements Associated with the Passage of Interplanetary Shocks at 1 au The Astrophysical Journal 950 (2): 89 [10.3847/1538-4357/acc9c5]

Wijsen, N., D. Lario, B. Sánchez-Cano, et al. I. C. Jebaraj, N. Dresing, I. G. Richardson, A. Aran, A. Kouloumvakos, Z. Ding, A. Niemela, E. Palmerio, F. Carcaboso, R. Vainio, A. Afanasiev, M. Pinto, D. Pacheco, S. Poedts, and D. Heyner. 2023. The Effect of the Ambient Solar Wind Medium on a CME-driven Shock and the Associated Gradual Solar Energetic Particle Event The Astrophysical Journal 950 (2): 172 [10.3847/1538-4357/acd1ed]

Belov, A., N. Shlyk, M. Abunina, et al. A. Abunin, A. Papaioannou, I. G. Richardson, and D. Lario. 2023. Study of the radial dependence of Forbush decreases at 0.28–1 au using data from the <i>Helios</i> 1 and 2 spacecraft Monthly Notices of the Royal Astronomical Society 521 (3): 4652-4668 [10.1093/mnras/stad732]

Salice, J. A., H. Nesse, E. M. Babu, C. Smith‐Johnsen, and I. G. Richardson. 2023. Exploring the Predictability of the High‐Energy Tail of MEE Precipitation Based on Solar Wind Properties Journal of Geophysical Research: Space Physics 128 (3): [10.1029/2022ja031194]

Babu, E. M., H. N. Tyssøy, C. Smith‐Johnsen, et al. V. Maliniemi, J. A. Salice, R. M. Millan, and I. G. Richardson. 2022. Determining Latitudinal Extent of Energetic Electron Precipitation Using MEPED On‐Board NOAA/POES Journal of Geophysical Research: Space Physics 127 (9): [10.1029/2022ja030489]

Palmerio, E., C. O. Lee, I. G. Richardson, et al. T. Nieves‐Chinchilla, L. F. Dos Santos, J. R. Gruesbeck, N. V. Nitta, M. L. Mays, J. S. Halekas, C. Zeitlin, S. Xu, M. Holmström, Y. Futaana, T. Mulligan, B. J. Lynch, and J. G. Luhmann. 2022. CME Evolution in the Structured Heliosphere and Effects at Earth and Mars During Solar Minimum Space Weather 20 (9): [10.1029/2022sw003215]

Whitman, K., R. Egeland, I. G. Richardson, et al. C. Allison, P. Quinn, J. Barzilla, I. Kitiashvili, V. Sadykov, H. M. Bain, M. Dierckxsens, M. Leila Mays, T. Tadesse, K. T. Lee, E. Semones, J. G. Luhmann, M. Núñez, S. M. White, S. W. Kahler, A. G. Ling, D. F. Smart, M. A. Shea, V. Tenishev, S. F. Boubrahimi, B. Aydin, P. Martens, R. Angryk, M. S. Marsh, S. Dalla, N. Crosby, N. A. Schwadron, K. Kozarev, M. Gorby, M. A. Young, M. Laurenza, E. W. Cliver, T. Alberti, M. Stumpo, S. Benella, A. Papaioannou, A. Anastasiadis, I. Sandberg, M. K. Georgoulis, A. Ji, D. Kempton, C. Pandey, G. Li, J. Hu, G. P. Zank, E. Lavasa, G. Giannopoulos, D. Falconer, Y. Kadadi, I. Fernandes, M. A. Dayeh, A. Muñoz-Jaramillo, S. Chatterjee, K. D. Moreland, I. V. Sokolov, I. I. Roussev, A. Taktakishvili, F. Effenberger, T. Gombosi, Z. Huang, L. Zhao, N. Wijsen, A. Aran, S. Poedts, A. Kouloumvakos, M. Paassilita, R. Vainio, A. Belov, E. A. Eroshenko, M. A. Abunina, A. A. Abunin, C. C. Balch, O. Malandraki, M. Karavolos, B. Heber, J. Labrenz, P. Kühl, A. G. Kosovichev, V. Oria, G. M. Nita, E. Illarionov, P. M. O’Keefe, Y. Jiang, S. H. Fereira, A. Ali, E. Paouris, S. Aminalragia-Giamini, P. Jiggens, M. Jin, C. O. Lee, E. Palmerio, A. Bruno, S. Kasapis, X. Wang, Y. Chen, B. Sanahuja, D. Lario, C. Jacobs, D. T. Strauss, R. Steyn, J. den Berg, B. Swalwell, C. Waterfall, M. Nedal, R. Miteva, M. Dechev, P. Zucca, A. Engell, B. Maze, H. Farmer, T. Kerber, B. Barnett, J. Loomis, N. Grey, B. J. Thompson, J. A. Linker, R. M. Caplan, C. Downs, T. Török, R. Lionello, V. Titov, M. Zhang, and P. Hosseinzadeh. 2022. Review of Solar Energetic Particle Models Advances in Space Research [10.1016/j.asr.2022.08.006]

Lario, D., N. Wijsen, R. Y. Kwon, et al. B. Sánchez-Cano, I. G. Richardson, D. Pacheco, E. Palmerio, M. L. Stevens, A. Szabo, D. Heyner, N. Dresing, R. Gómez-Herrero, F. Carcaboso, A. Aran, A. Afanasiev, R. Vainio, E. Riihonen, S. Poedts, M. Brüden, Z. G. Xu, and A. Kollhoff. 2022. Influence of Large-scale Interplanetary Structures on the Propagation of Solar Energetic Particles: The Multispacecraft Event on 2021 October 9 The Astrophysical Journal 934 (1): 55 [10.3847/1538-4357/ac6efd]

Talpeanu, D.-C., S. Poedts, E. D’Huys, M. Mierla, and I. G. Richardson. 2022. Interaction of coronal mass ejections and the solar wind Astronomy &amp; Astrophysics 663 A32 [10.1051/0004-6361/202243150]

Lario, D., I. G. Richardson, L. B. Wilson, et al. L. Berger, L. K. Jian, and D. Trotta. 2022. The Extended Field-aligned Suprathermal Proton Beam and Long-lasting Trapped Energetic Particle Population Observed Upstream of a Transient Interplanetary Shock The Astrophysical Journal 925 (2): 198 [10.3847/1538-4357/ac3c47]

Aran, A., D. Pacheco, M. Laurenza, et al. N. Wijsen, D. Lario, S. Benella, I. G. Richardson, E. Samara, J. L. Freiherr von Forstner, B. Sanahuja, L. Rodriguez, L. Balmaceda, F. Espinosa Lara, R. Gómez-Herrero, K. Steinvall, A. Vecchio, V. Krupar, S. Poedts, R. C. Allen, G. B. Andrews, V. Angelini, L. Berger, D. Berghmans, S. Boden, S. I. Böttcher, F. Carcaboso, I. Cernuda, R. De Marco, S. Eldrum, V. Evans, A. Fedorov, J. Hayes, G. C. Ho, T. S. Horbury, N. P. Janitzek, Y. V. Khotyaintsev, A. Kollhoff, P. Kühl, S. R. Kulkarni, W. J. Lees, P. Louarn, J. Magdalenic, M. Maksimovic, O. Malandraki, A. Martínez, G. M. Mason, C. Martín, H. O’Brien, C. Owen, P. Parra, M. Prieto Mateo, A. Ravanbakhsh, J. Rodriguez-Pacheco, O. Rodriguez Polo, S. Sánchez Prieto, C. E. Schlemm, H. Seifert, J. C. Terasa, K. Tyagi, C. Verbeeck, R. F. Wimmer-Schweingruber, Z. G. Xu, M. K. Yedla, and A. N. Zhukov. 2021. Evidence for local particle acceleration in the first recurrent galactic cosmic ray depression observed by Solar Orbiter Astronomy &amp; Astrophysics 656 L10 [10.1051/0004-6361/202140966]

Nitta, N. V., T. Mulligan, E. K. Kilpua, et al. B. J. Lynch, M. Mierla, J. O’Kane, P. Pagano, E. Palmerio, J. Pomoell, I. G. Richardson, L. Rodriguez, A. P. Rouillard, S. Sinha, N. Srivastava, D.-C. Talpeanu, S. L. Yardley, and A. N. Zhukov. 2021. Understanding the Origins of Problem Geomagnetic Storms Associated with “Stealth” Coronal Mass Ejections Space Science Reviews 217 (8): 82 [10.1007/s11214-021-00857-0]

Lario, D., I. G. Richardson, E. Palmerio, et al. N. Lugaz, S. D. Bale, M. L. Stevens, C. M. Cohen, J. Giacalone, D. G. Mitchell, A. Szabo, T. Nieves-Chinchilla, L. B. Wilson, E. R. Christian, M. E. Hill, D. J. McComas, R. L. McNutt, N. A. Schwadron, and M. E. Wiedenbeck. 2021. Comparative Analysis of the 2020 November 29 Solar Energetic Particle Event Observed by Parker Solar Probe The Astrophysical Journal 920 (2): 123 [10.3847/1538-4357/ac157f]

Mitchell, J. G., G. A. De Nolfo, M. E. Hill, et al. E. R. Christian, I. G. Richardson, D. J. McComas, R. L. McNutt, D. G. Mitchell, N. A. Schwadron, S. D. Bale, J. Giacalone, C. J. Joyce, J. T. Niehof, and J. R. Szalay. 2021. Energetic Electron Observations by Parker Solar Probe/IS⊙IS during the First Widespread SEP Event of Solar Cycle 25 on 2020 November 29 The Astrophysical Journal 919 (2): 119 [10.3847/1538-4357/ac110e]

Palmerio, E., N. V. Nitta, T. Mulligan, et al. M. Mierla, J. O’Kane, I. G. Richardson, S. Sinha, N. Srivastava, S. L. Yardley, and A. N. Zhukov. 2021. Investigating Remote-Sensing Techniques to Reveal Stealth Coronal Mass Ejections Frontiers in Astronomy and Space Sciences 8 [10.3389/fspas.2021.695966]

Blum, L. W., A. Koval, I. G. Richardson, et al. L. B. Wilson, D. Malaspina, A. Greeley, and A. N. Jaynes. 2021. Prompt Response of the Dayside Magnetosphere to Discrete Structures Within the Sheath Region of a Coronal Mass Ejection Geophysical Research Letters 48 (11): e2021GL092700 [10.1029/2021gl092700]

Kollhoff, A., A. Kouloumvakos, D. Lario, et al. N. Dresing, R. Gómez-Herrero, L. Rodríguez-García, O. E. Malandraki, I. G. Richardson, A. Posner, K.-L. Klein, D. Pacheco, A. Klassen, B. Heber, C. M. Cohen, T. Laitinen, I. Cernuda, S. Dalla, and Et al.. 2021. The first widespread solar energetic particle event observed by Solar Orbiter on 2020 November 29 Astronomy & Astrophysics [10.1051/0004-6361/202140937]

Wilson, L. B., A. L. Brosius, N. Gopalswamy, et al. T. Nieves‐Chinchilla, A. Szabo, K. Hurley, T. Phan, J. C. Kasper, N. Lugaz, I. G. Richardson, C. H. Chen, D. Verscharen, R. T. Wicks, and J. M. TenBarge. 2021. A Quarter Century of Wind Spacecraft Discoveries Reviews of Geophysics 59 (2): e2020RG000714 [10.1029/2020rg000714]

Bruno, A., and I. G. Richardson. 2021. Empirical Model of 10 – 130 MeV Solar Energetic Particle Spectra at 1 AU Based on Coronal Mass Ejection Speed and Direction Solar Physics 296 (2): 36 [10.1007/s11207-021-01779-4]

Belov, A., A. Papaioannou, M. Abunina, et al. M. Dumbovic, I. G. Richardson, B. Heber, P. Kuhl, K. Herbst, A. Anastasiadis, A. Vourlidas, E. Eroshenko, and A. Abunin. 2021. On the Rigidity Spectrum of Cosmic-Ray Variations within Propagating Interplanetary Disturbances: Neutron Monitor and SOHO/EPHIN Observations at ∼1–10 GV The Astrophysical Journal 908 (1): 5 [10.3847/1538-4357/abd724]

Mitchell, J. G., G. A. de Nolfo, M. E. Hill, et al. E. R. Christian, D. J. McComas, N. A. Schwadron, M. E. Wiedenbeck, S. D. Bale, A. W. Case, C. M. Cohen, C. J. Joyce, J. C. Kasper, A. W. Labrador, R. A. Leske, R. J. MacDowall, R. A. Mewaldt, D. G. Mitchell, M. Pulupa, I. G. Richardson, M. L. Stevens, and J. R. Szalay. 2020. Small Electron Events Observed by Parker Solar Probe/IS⊙IS during Encounter 2 The Astrophysical Journal 902 (1): 20 [10.3847/1538-4357/abb2a4]

Wilson, L. B., A. Brosius, N. Gopalswamy, et al. T. Nieves-Chinchilla, A. Szabo, K. C. Hurley, T.-D. Phan, J. C. Kasper, I. G. Richardson, N. Lugaz, C. Chen, D. Verscharen, R. T. Wicks, and J. M. TenBarge. 2020. A Quarter Century of Wind Spacecraft Discoveries Reviews of Geophysics [10.1002/essoar.10504309.1]

Lario, D., L. Balmaceda, N. Alzate, et al. M. L. Mays, I. G. Richardson, R. C. Allen, M. Florido-Llinas, T. Nieves-Chinchilla, A. Koval, N. Lugaz, L. K. Jian, C. N. Arge, P. J. Macneice, D. Odstrcil, H. Morgan, A. Szabo, M. I. Desai, P. L. Whittlesey, M. L. Stevens, G. C. Ho, and J. G. Luhmann. 2020. The Streamer Blowout Origin of a Flux Rope and Energetic Particle Event Observed by Parker Solar Probe at 0.5 au The Astrophysical Journal 897 (2): 134 [10.3847/1538-4357/ab9942]

Lario, D., R. Y. Kwon, L. Balmaceda, et al. I. G. Richardson, V. Krupar, B. J. Thompson, O. C. Cyr, L. Zhao, and M. Zhang. 2020. Fast and Wide CMEs without Observed >20 MeV Protons The Astrophysical Journal 889 (2): 92 [10.3847/1538-4357/ab64e1]

De Nolfo, G. A., A. Bruno, J. M. Ryan, et al. S. Dalla, J. Giacalone, I. G. Richardson, E. R. Christian, S. J. Stochaj, G. A. Bazilevskaya, M. Boezio, M. Martucci, V. V. Mikhailov, and R. Munini. 2019. Comparing Long-duration Gamma-Ray Flares and High-energy Solar Energetic Particles The Astrophysical Journal 879 (2): 90 [https://doi.org/10.3847/1538-4357/ab258f]

Bruno, A., E. R. Christian, G. A. de Nolfo, I. G. Richardson, and J. M. Ryan. 2019. Spectral Analysis of the September 2017 Solar Energetic Particle Events Space Weather [10.1029/2018sw002085]

Richardson, I. G., M. L. Mays, and B. J. Thompson. 2018. Prediction of Solar Energetic Particle Event Peak Proton Intensity Using a Simple Algorithm Based on CME Speed and Direction and Observations of Associated Solar Phenomena Space Weather 16 (11): 1862-1881 [10.1029/2018sw002032]

Bruno, A., G. A. Bazilevskaya, M. Boezio, et al. E. R. Christian, G. A. Nolfo, M. Martucci, M. Merge’, V. V. Mikhailov, R. Munini, I. G. Richardson, J. M. Ryan, S. Stochaj, O. Adriani, G. C. Barbarino, R. Bellotti, E. A. Bogomolov, M. Bongi, V. Bonvicini, S. Bottai, F. Cafagna, D. Campana, P. Carlson, M. Casolino, G. Castellini, C. D. Santis, V. D. Felice, A. M. Galper, A. V. Karelin, S. V. Koldashov, S. Koldobskiy, S. Y. Krutkov, A. N. Kvashnin, A. Leonov, V. Malakhov, L. Marcelli, A. G. Mayorov, W. Menn, E. Mocchiutti, A. Monaco, N. Mori, G. Osteria, B. Panico, P. Papini, M. Pearce, P. Picozza, M. Ricci, S. B. Ricciarini, M. Simon, R. Sparvoli, P. Spillantini, Y. I. Stozhkov, A. Vacchi, E. Vannuccini, G. I. Vasilyev, S. A. Voronov, Y. T. Yurkin, G. Zampa, and N. Zampa. 2018. Solar Energetic Particle Events Observed by the PAMELA Mission The Astrophysical Journal 862 (2): 97 [10.3847/1538-4357/aacc26]

Richardson, I. G. 2018. Solar wind stream interaction regions throughout the heliosphere Living Reviews in Solar Physics 15 (1): 1 [10.1007/s41116-017-0011-z]

Munini, R., M. Boezio, A. Bruno, et al. E. C. Christian, G. A. Nolfo, V. D. Felice, M. Martucci, M. Merge’, I. G. Richardson, J. M. Ryan, S. Stochaj, O. Adriani, G. C. Barbarino, G. A. Bazilevskaya, R. Bellotti, M. Bongi, V. Bonvicini, S. Bottai, F. Cafagna, D. Campana, P. Carlson, M. Casolino, G. Castellini, C. D. Santis, A. M. Galper, A. V. Karelin, S. V. Koldashov, S. Koldobskiy, S. Y. Krutkov, A. N. Kvashnin, A. Leonov, V. Malakhov, L. Marcelli, A. G. Mayorov, W. Menn, V. V. Mikhailov, E. Mocchiutti, A. Monaco, N. Mori, G. Osteria, B. Panico, P. Papini, M. Pearce, P. Picozza, M. Ricci, S. B. Ricciarini, M. Simon, R. Sparvoli, P. Spillantini, Y. I. Stozhkov, A. Vacchi, E. Vannuccini, G. Vasilyev, S. A. Voronov, Y. T. Yurkin, G. Zampa, N. Zampa, and M. S. Potgieter. 2018. Evidence of Energy and Charge Sign Dependence of the Recovery Time for the 2006 December Forbush Event Measured by the PAMELA Experiment The Astrophysical Journal 853 (1): 76 [10.3847/1538-4357/aaa0c8]

Yang, Z., F. Shen, J. Zhang, et al. Y. Yang, X. Feng, and I. G. Richardson. 2018. Correlation Between the Magnetic Field and Plasma Parameters at 1 AU Solar Physics 293 (2): 24 [10.1007/s11207-017-1238-5]

Liou, K., T. Sotirelis, and I. Richardson. 2018. Substorm Occurrence and Intensity Associated With Three Types of Solar Wind Structure Journal of Geophysical Research: Space Physics 123 (1): 485-496 [10.1002/2017ja024451]

Witasse, O., B. Sánchez-Cano, M. L. Mays, et al. P. Kajdič, H. Opgenoorth, H. A. Elliott, I. G. Richardson, I. Zouganelis, J. Zender, R. F. Wimmer-Schweingruber, L. Turc, M. G. Taylor, E. Roussos, A. Rouillard, I. Richter, J. D. Richardson, R. Ramstad, G. Provan, A. Posner, J. J. Plaut, D. Odstrcil, H. Nilsson, P. Niemenen, S. E. Milan, K. Mandt, H. Lohf, M. Lester, J.-P. Lebreton, E. Kuulkers, N. Krupp, C. Koenders, M. K. James, D. Intzekara, M. Holmstrom, D. M. Hassler, B. E. Hall, J. Guo, R. Goldstein, C. Goetz, K. H. Glassmeier, V. Génot, H. Evans, J. Espley, N. J. Edberg, M. Dougherty, S. W. Cowley, J. Burch, E. Behar, S. Barabash, D. J. Andrews, and N. Altobelli. 2017. Interplanetary coronal mass ejection observed at STEREO-A, Mars, comet 67P/Churyumov-Gerasimenko, Saturn, and New Horizons en route to Pluto: Comparison of its Forbush decreases at 1.4, 3.1, and 9.9 AU Journal of Geophysical Research: Space Physics 122 (8): 7865-7890 [10.1002/2017ja023884]

Lario, D., R.-Y. Kwon, I. G. Richardson, et al. N. E. Raouafi, B. J. Thompson, T. T. Rosenvinge, M. L. Mays, P. A. Mäkelä, H. Xie, H. M. Bain, M. Zhang, L. Zhao, H. V. Cane, A. Papaioannou, N. Thakur, and P. Riley. 2017. The Solar Energetic Particle Event of 2010 August 14: Connectivity with the Solar Source Inferred from Multiple Spacecraft Observations and Modeling The Astrophysical Journal 838 (1): 51 [10.3847/1538-4357/aa63e4]

Aschwanden, M. J., A. Caspi, C. M. Cohen, et al. G. Holman, J. Jing, M. Kretzschmar, E. P. Kontar, J. M. McTiernan, R. A. Mewaldt, A. O’Flannagain, I. G. Richardson, D. Ryan, H. P. Warren, and Y. Xu. 2017. Global Energetics of Solar Flares. V. Energy Closure in Flares and Coronal Mass Ejections The Astrophysical Journal 836 (1): 17 [10.3847/1538-4357/836/1/17]

Savani, N. P., A. Vourlidas, I. G. Richardson, et al. A. Szabo, B. J. Thompson, A. Pulkkinen, M. L. Mays, T. Nieves-Chinchilla, and V. Bothmer. 2017. Predicting the magnetic vectors within coronal mass ejections arriving at Earth: 2. Geomagnetic response Space Weather 15 (2): 441-461 [10.1002/2016sw001458]

Neugebauer, M., D. Reisenfeld, and I. G. Richardson. 2016. Comparison of algorithms for determination of solar wind regimes Journal of Geophysical Research: Space Physics 121 8215–8227 [10.1002/2016ja023142]

Richardson, I. G., T. T. von Rosenvinge, and H. V. Cane. 2016. 25MeV solar proton events in Cycle 24 and previous cycles Advances in Space Research 60 755-767 [10.1016/j.asr.2016.07.035]

Kanekal, S. G., D. N. Baker, J. F. Fennell, et al. A. Jones, Q. Schiller, I. G. Richardson, X. Li, D. L. Turner, S. Califf, S. G. Claudepierre, L. B. Wilson, A. Jaynes, J. B. Blake, G. D. Reeves, H. E. Spence, C. A. Kletzing, and J. R. Wygant. 2016. Prompt acceleration of magnetospheric electrons to ultrarelativistic energies by the 17 March 2015 interplanetary shock Journal of Geophysical Research: Space Physics 121 (8): 7622-7635 [10.1002/2016ja022596]

Richardson, I. G., T. T. von Rosenvinge, and H. V. Cane. 2016. North/South Hemispheric Periodicities in the > 25 MeV Solar Proton Event Rate During the Rising and Peak Phases of Solar Cycle 24 Sol Phys 291 (7): 2117-2134 [10.1007/s11207-016-0948-4]

Richardson, I. G. 2016. Voyager observations in the distant heliosheath: An analogy with ISEE-3 observations in the deep geomagnetic tail Advances in Space Research 60 826-832 [10.1016/j.asr.2016.03.032]

Lopez, R., W. Gonzalez, V. Vasyliūnas, et al. I. Richardson, C. Cid, E. Echer, G. Reeves, and P. Brandt. 2015. Decrease in SYM-H during a storm main phase without evidence of a ring current injection Journal of Atmospheric and Solar-Terrestrial Physics 134 118-129 [10.1016/j.jastp.2015.09.016]

Kanekal, S. G., D. N. Baker, M. G. Henderson, et al. W. Li, J. F. Fennell, Y. Zheng, I. G. Richardson, A. Jones, A. D. Greeley, A. F. Ali, S. R. Elkington, A. Jaynes, X. Li, J. B. Blake, G. D. Reeves, H. E. Spence, and C. A. Kletzing. 2015. Relativistic electron response to the combined magnetospheric impact of a coronal mass ejection overlapping with a high-speed stream: Van Allen Probes observations Journal of Geophysical Research: Space Physics 120 (9): 7629-7641 [10.1002/2015ja021395]

Richardson, I. G., T. T. von Rosenvinge, and H. V. Cane. 2015. The Properties of Solar Energetic Particle Event-Associated Coronal Mass Ejections Reported in Different CME Catalogs Sol Phys 290 (6): 1741-1759 [10.1007/s11207-015-0701-4]

Mays, M. L., A. Taktakishvili, A. Pulkkinen, et al. P. J. MacNeice, L. Rastätter, D. Odstrcil, L. K. Jian, I. G. Richardson, J. A. LaSota, Y. Zheng, and M. M. Kuznetsova. 2015. Ensemble Modeling of CMEs Using the WSA–ENLIL+Cone Model Sol Phys 290 (6): 1775-1814 [10.1007/s11207-015-0692-1]

Savani, N. P., A. Vourlidas, A. Szabo, et al. M. L. Mays, I. G. Richardson, B. J. Thompson, A. Pulkkinen, R. Evans, and T. Nieves-Chinchilla. 2015. Predicting the magnetic vectors within coronal mass ejections arriving at Earth: 1. Initial architecture Space Weather 13 374 [10.1002/2015SW001171]

Holappa, L., K. Mursula, T. Asikainen, and I. G. Richardson. 2014. Annual fractions of high-speed streams from principal component analysis of local geomagnetic activity Journal of Geophysical Research: Space Physics 119 (6): 4544-4555 [10.1002/2014ja019958]

Richardson, I. G. 2014. Identification of Interplanetary Coronal Mass Ejections at Ulysses Using Multiple Solar Wind Signatures Sol Phys 289 (10): 3843-3894 [10.1007/s11207-014-0540-8]

Prikryl, P., P. Jayachandran, S. C. Mushini, and I. G. Richardson. 2014. High-latitude GPS phase scintillation and cycle slips during high-speed solar wind streams and interplanetary coronal mass ejections: a superposed epoch analysis Earth Planet Space 66 (1): 62 [10.1186/1880-5981-66-62]

Richardson, I. G., T. T. von Rosenvinge, H. V. Cane, et al. E. R. Christian, C. M. Cohen, A. W. Labrador, R. A. Leske, R. A. Mewaldt, M. E. Wiedenbeck, and E. C. Stone. 2014. > 25 MeV Proton Events Observed by the High Energy Telescopes on the STEREO A and B Spacecraft and/or at Earth During the First similar to aEuro parts per thousand Seven Years of the STEREO Mission SOLAR PHYSICS 289 3059-3107 [10.1007/s11207-014-0524-8]

Li, W., R. Thorne, J. Bortnik, et al. R. McPherron, Y. Nishimura, V. Angelopoulos, and I. G. Richardson. 2012. Evolution of chorus waves and their source electrons during storms driven by corotating interaction regions Journal of Geophysical Research: Space Physics 117 (A8): [10.1029/2012ja017797]

Prikryl, P., P. T. Jayachandran, S. C. Mushini, and I. G. Richardson. 2012. Toward the probabilistic forecasting of high-latitude GPS phase scintillation Space Weather 10 (8): [10.1029/2012sw000800]

Riley, P., and I. G. Richardson. 2012. Using Statistical Multivariable Models to Understand the Relationship Between Interplanetary Coronal Mass Ejecta and Magnetic Flux Ropes Sol Phys 284 (1): 217-233 [10.1007/s11207-012-0006-9]

Kahler, S. W., D. K. Haggerty, and I. G. Richardson. 2011. MAGNETIC FIELD-LINE LENGTHS IN INTERPLANETARY CORONAL MASS EJECTIONS INFERRED FROM ENERGETIC ELECTRON EVENTS The Astrophysical Journal 736 (2): 106 [10.1088/0004-637x/736/2/106]

Richardson, I. G., and H. V. Cane. 2011. Geoeffectiveness ( Dst and Kp ) of interplanetary coronal mass ejections during 1995-2009 and implications for storm forecasting Space Weather 9 (7): [10.1029/2011sw000670]

Emery, B. A., I. G. Richardson, D. S. Evans, F. J. Rich, and G. R. Wilson. 2011. Solar Rotational Periodicities and the Semiannual Variation in the Solar Wind, Radiation Belt, and Aurora Sol Phys 274 (1-2): 399-425 [10.1007/s11207-011-9758-x]

Richardson, I. G., and H. V. Cane. 2011. Galactic Cosmic Ray Intensity Response to Interplanetary Coronal Mass Ejections/Magnetic Clouds in 1995 – 2009 Sol Phys 270 (2): 609-627 [10.1007/s11207-011-9774-x]

Cliver, E. W., I. G. Richardson, and A. G. Ling. 2011. Solar Drivers of 11-yr and Long-Term Cosmic Ray Modulation Space Sci Rev 176 (1-4): 3-19 [10.1007/s11214-011-9746-3]

Cane, H. V., I. G. Richardson, and T. T. von Rosenvinge. 2010. A study of solar energetic particle events of 1997–2006: Their composition and associations Journal of Geophysical Research 115 (A8): A08101 [10.1029/2009ja014848]

Richardson, I. G., and H. V. Cane. 2010. Interplanetary circumstances of quasi-perpendicular interplanetary shocks in 1996–2005 Journal of Geophysical Research 115 (A7): A07103 [10.1029/2009ja015039]

Richardson, I. G., and H. V. Cane. 2010. Near-Earth Interplanetary Coronal Mass Ejections During Solar Cycle 23 (1996 – 2009): Catalog and Summary of Properties Sol Phys 264 (1): 189-237 [10.1007/s11207-010-9568-6]

Lee, C. O., J. G. Luhmann, I. de Pater, et al. G. M. Mason, D. Haggerty, I. G. Richardson, H. V. Cane, L. K. Jian, C. T. Russell, and M. I. Desai. 2010. Organization of Energetic Particles by the Solar Wind Structure During the Declining to Minimum Phase of Solar Cycle 23 Sol Phys 263 (1-2): 239-261 [10.1007/s11207-010-9556-x]

Emery, B. A., I. G. Richardson, D. S. Evans, and F. J. Rich. 2009. Solar wind structure sources and periodicities of auroral electron power over three solar cycles Journal of Atmospheric and Solar-Terrestrial Physics 71 (10-11): 1157-1175 [10.1016/j.jastp.2008.08.005]

von Rosenvinge, T. T., I. G. Richardson, D. V. Reames, et al. C. M. Cohen, A. C. Cummings, R. A. Leske, R. A. Mewaldt, E. C. Stone, and M. E. Wiedenbeck. 2009. The Solar Energetic Particle Event of 14 December 2006 Sol Phys 256 (1-2): 443-462 [10.1007/s11207-009-9353-6]

Farrugia, C. J., N. V. Erkaev, N. C. Maynard, et al. I. G. Richardson, P. E. Sandholt, D. Langmayr, K. W. Ogilvie, A. Szabo, U. Taubenschuss, R. B. Torbert, and H. K. Biernat. 2009. Effects on the distant geomagnetic tail of a fivefold density drop in the inner sheath region of a magnetic cloud: A joint Wind-ACE study Advances in Space Research 44 1288-1294 [10.1016/j.asr.2009.07.003]

von Rosenvinge, T., I. Richardson, D. Reames, et al. C. Cohen, A. Cummings, R. Leske, R. Mewaldt, E. Stone, and M. Wiedenbeck. 2009. The Solar Energetic Particle Event of December 14, 2006 Solar Physics 256 443.

Zhang, J., I. G. Richardson, and D. F. Webb. 2008. Interplanetary origin of multiple-dip geomagnetic storms Journal of Geophysical Research 113 A00A12 [10.1029/2008ja013228]

MacDowall, R. J., I. G. Richardson, R. A. Hess, and G. Thejappa. 2008. Re-examining the correlation of complex solar type III radio bursts and solar energetic particles IAU 4 (S257): 335 [10.1017/s1743921309029512]

Zhang, J., W. Poomvises, and I. G. Richardson. 2008. Sizes and relative geoeffectiveness of interplanetary coronal mass ejections and the preceding shock sheaths during intense storms in 1996–2005 Geophysical Research Letters 35 (2): L02109 [10.1029/2007gl032045]

Zhang, J., I. G. Richardson, D. F. Webb, et al. N. Gopalswamy, E. Huttunen, J. Kasper, N. V. Nitta, W. Poomvises, B. J. Thompson, C.-C. Wu, S. Yashiro, and A. N. Zhukov. 2007. Correction to “Solar and interplanetary sources of major geomagnetic storms ( Dst ≤ −100 nT) during 1996–2005” Journal of Geophysical Research 112 (A12): A12103 [10.1029/2007ja012891]

Zhang, J., I. G. Richardson, D. F. Webb, et al. N. Gopalswamy, E. Huttunen, J. C. Kasper, N. V. Nitta, W. Poomvises, B. J. Thompson, C.-C. Wu, S. Yashiro, and A. N. Zhukov. 2007. Solar and interplanetary sources of major geomagnetic storms ( Dst ≤ −100 nT) during 1996–2005 Journal of Geophysical Research 112 (A10): A10102 [10.1029/2007ja012321]

Zhang, J., I. Richardson, D. Webb, et al. N. Gopalswamy, E. Huttunen, J. Kasper, N. Nitta, W. Poomvises, B. Thompson, C. Wu, S. Yashiro, and A. Zhukov. 2007. Solar and interplanetary sources of major geomagnetic storms (Dst &lt;= -100 nT) during 1996-2005 Journal of Geophysical Research (Space Physics) 112 10102 [10.1029/2007JA012321]

Zhang, J., I. Richardson, D. Webb, et al. N. Gopalswamy, E. Huttunen, J. Kasper, N. Nitta, W. Poomvises, B. Thompson, C. Wu, S. Yashiro, and A. Zhukov. 2007. Correction to 'Solar and interplanetary sources of major geomagnetic storms (Dst &lt;= -100 nT) during 1996-2005' Journal of Geophysical Research (Space Physics) 112 12103 [10.1029/2007JA012891]

Riley, P., C. Schatzman, H. Cane, I. Richardson, and N. Gopalswamy. 2006. On the Rates of Coronal Mass Ejections: Remote Solar and In Situ Observations The Astrophysical Journal 647 648-653 [10.1086/505383]

Richardson, I. G., G. R. Lawrence, D. K. Haggerty, T. A. Kucera, and A. Szabo. 2003. Are CME ``interactions'' really important for accelerating major solar energetic particle events? Geophysical Research Letters 30 (12): 8014 [10.1029/2002GL016424]

Berdichevsky, D., I. Richardson, B. Thompson, et al. D. Reames, R. MacDowall, S. Plunkett, D. Michels, M. Kaiser, R. Lepping, K. Ogilvie, and R. Stone. 2000. Examples of Fast Solar Wind Transients, Their Sources and the Forecast of Possible Geomagnetic Impact Geofisica Internacional 39 5.