Welcome!

Director

MIT Haystack Observatory

Westford, MA 01886 

USA

Principal Research Scientist, Massachusetts Institute of Technology

Co-director, MIT Haystack Education and Public Outreach programs

Member [2019-present]: Committee On Radio Frequencies (CORF), National Academies of Science, Engineering, and Medicine (NASEM) Board on Physics and Astronomy

Co-Chair [2023-present]: Panel on the Physics of Ionospheres, Thermospheres, and Mesospheres, National Academies of Science, Engineering, and Medicine (NASEM) 2024-2033 Decadal Survey for Solar and Space Physics (Heliophysics) 

Associate Editor [2021-present]: Frontiers in Astronomy and Space Sciences

Advisory Board [2018-present]: Ham Radio Citizen Science Investigation (HamSCI)

Education:

B.S., Electrical Engineering, Cornell University, 1987

Ph.D., Space Plasma Physics, Cornell University, 1998 [Advisors: D. T. Farley, M. C. Kelley, W. E. Swartz, P. Gierasch]

Research Interests:

• Ionosphere-plasmasphere-magnetosphere-thermosphere coupling

• Geospace system science and analysis

• Radio wave based remote sensing of the ionosphere and thermosphere

• Large aperture high power ionospheric radar techniques

• Radiation belt acceleration, loss, and dynamics

• Software architectures for large scale radio wave based remote sensing

• Small satellite platforms for geospace and heliophysics research

• Education and public outreach

• Innovative methods for enhancing K-12 and undergraduate science curricula

• Telescience methods for remote data distribution and interpretation

• International scientific collaborations and research facility support

ORCID:   0000-0002-0031-9324

ResearchID:  N-6853-2018

Publications:

• Aa, E., Coster, A. J., Zhang, S.-R., Vierinen, J., Erickson, P. J., Goncharenko, L. P., & Rideout, W. (2024). 2-D total electron content and 3-D ionospheric electron density variations during the 14 October 2023 annular solar eclipse. Journal of Geophysical Research: Space Physics, 129, e2024JA032447. https://doi.org/10.1029/2024JA032447

• Aa, E., Zhang, S.-R., Zou, S., Wang, W., Wang, Z., Cai, X., et al. including P. J. Erickson (2024), Significant midlatitude bubble-like ionospheric super-depletion structure (BLISS) and dynamic variation of storm-enhanced density plume during the 23 April 2023 geomagnetic storm. Space Weather, 22, e2023SW003704. https://doi.org/10.1029/2023SW003704

• Habarulema, J. B.,  D. Okoh, D. Burešová, B. Rabiu, D. Scipión, I. Häggström, P.  J. Erickson, and M. A. Milla (2024). A storm-time global electron density reconstruction model in three-dimensions based on artificial neural networks. Advances in Space Research. https://doi.org/10.1016/j.asr.2024.02.014

• Zhang, Y., Gallardo-Lacourt, B., Paxton, L. J., Erickson, P. J., Hairston, M., & Coley, W. R. (2024). STEVE events with FUV emissions. Journal of Geophysical Research: Space Physics, 129, e2023JA032017. https://doi.org/10.1029/2023JA032017

• Foster J. C., Erickson P. J. and Omura Y. (2024), Upstream motion of chorus wave generation: comparisons with observations. Front. Astron. Space Sci. 11:1374331. doi: 10.3389/fspas.2024.1374331

• Aa, E., Zhang, S.-R., Erickson, P. J., Wang, W., Coster, A. J., & Rideout, W. (2024), 3-D ionospheric imaging over the South American region with a new TEC-based ionospheric data assimilation system (TIDAS-SA). Space Weather, 22, e2023SW003792. https://doi.org/10.1029/2023SW003792

• Shammat, M. O., Reinisch, B. W., Galkin, I., Erickson, P. J., Weitzen, J. A., & Rideout, W. C. (2024), Characterizing plasma Peak Density Thickness in the Ionosphere: A single-site multi-instrument study. Radio Science, 59, e2023RS007658. https://doi.org/10.1029/2023RS007658

• I. G. Wright, F. S. Rodrigues, J. Gomez Socola, A. O. Moraes, J. F. G. Monico, J. Sojka, L. Scherliess, D. Layne, I. Paulino, R. A. Buriti, C. G. M. Brum, P. Terra, K. Deshpande, P. R. Vaggu, P. J. Erickson, N. A. Frissell, J.  J. Makela and D. Scipión (2023). On the detection of a solar radio burst event that occurred on 28 August 2022 and its effect on GNSS signals as observed by ionospheric scintillation monitors distributed over the American sector. J. Space Weather Space Clim., 13 28. https://doi.org/10.1051/swsc/2023027

• Chang, A., M. Knapp, J. LaBelle, J. Swoboda, R. Volz and P. J. Erickson, Removing Radio Frequency Interference From Auroral Kilometric Radiation With Stacked Autoencoders, ICASSP 2023 - 2023 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), Rhodes Island, Greece, 2023, pp. 1-5, doi:10.1109/ICASSP49357.2023.10094621.

• Zhang, S.-R., Nishimura, Y., Vierinen, J., Lyons, L. R., Knipp, D. J., Gustavsson, B. J., et al. including P. J. Erickson (2023), Simultaneous global ionospheric disturbances associated with penetration electric fields during intense and minor solar and geomagnetic disturbances. Geophysical Research Letters, 50, e2023GL104250. https://doi.org/10.1029/2023GL104250

• Khabarova O, Balasis G, Bučík R, Eastwood JP, Erickson PJ and Treumann RA (2023), Editorial: Reviews in space physics. Front. Astron. Space Sci. 10:1254235. doi: 10.3389/fspas.2023.1254235

• Wright IG, Rodrigues FS, Gomez Socola J, Moraes AO, Monico JFG, et al. including P. J. Erickson (2023), On the detection of a solar radio burst event that occurred on 28 August 2022 and its effect on GNSS signals as observed by ionospheric scintillation monitors distributed over the American sector. J. Space Weather Space Clim. 13, 28. https://doi.org/10.1051/swsc/2023027.

• Kunduri, B. S. R., Erickson, P. J., Baker, J. B. H., Ruohoniemi, J. M., Galkin, I. A., & Sterne, K. T. (2023), Dynamics of mid-latitude sporadic-E and its impact on HF propagation in the North American sector, Journal of Geophysical Research: Space Physics, 128, e2023JA031455. https://doi.org/10.1029/2023JA031455

• Aa, E., Zhang, S.-R., Erickson, P. J., Wang, W., Qian, L., Cai, X., et al. (2023), Significant mid- and low-latitude ionospheric disturbances characterized by dynamic EIA, EPBs, and SED variations during the 13–14 March 2022 geomagnetic storm, Journal of Geophysical Research: Space Physics, 128, e2023JA031375. https://doi.org/10.1029/2023JA031375

• Aa E, Zhang S-R, Erickson PJ, Wang W, and Coster AJ (2023), 3-D Ionospheric Electron Density Variations during the 2017 Great American Solar Eclipse: A Revisit. Atmosphere. 14(9):1379. https://doi.org/10.3390/atmos14091379

• Peterson, W. K., Maruyama, N., Richards, P., Erickson, P. J., Christensen, A. B., and Yau, A. W. (2023), What is the altitude of thermal equilibrium? Geophysical Research Letters, 50, e2023GL102758. https://doi.org/10.1029/2023GL102758

• Thaller S, Ripoll J-F, Nishimura T and Erickson P (2022), Editorial: Coupled feedback mechanisms in the magnetosphere-ionosphere system, Front. Astron. Space Sci. 9:1011217. https://doi.org/10.3389/fspas.2022.1011217

• Aa E, Zhang S-R, Coster AJ, Erickson PJ and Rideout W (2023), Multi-instrumental analysis of the day-to-day variability of equatorial plasma bubbles, Front. Astron. Space Sci. 10:1167245. https://doi.org/10.3389/fspas.2023.1167245

• Aa, E., Zhang, S.-R., Wang, W., Erickson, P. J., and Coster, A. J. (2023), Multiple longitude sector storm-enhanced density (SED) and long-lasting subauroral polarization stream (SAPS) during the 26–28 February 2023 geomagnetic storm, Journal of Geophysical Research: Space Physics, 128, e2023JA031815. https://doi.org/10.1029/2023JA031815

• Khabarova O, Balasis G, Bučík R, Eastwood JP, Erickson PJ, and Treumann RA (2023), Editorial: Reviews in space physics, Front. Astron. Space Sci. 10:1254235. https://doi.org/10.3389/fspas.2023.1254235

• Aa, E., Zhang, S.-R., Liu, G., Eastes, R. W., Wang, W., Karan, D. K., et al including Erickson, P. J. (2023), Statistical analysis of equatorial plasma bubbles climatology and multi-day periodicity using GOLD observations, Geophysical Research Letters, 50, e2023GL103510. https://doi.org/10.1029/2023GL103510

• Breneman, A.W., Wygant, J.R., Tian, S. et al. including Erickson, P. J. (2022), The Van Allen Probes Electric Field and Waves Instrument: Science Results, Measurements, and Access to Data. Space Sci Rev 218, 69. https://doi.org/10.1007/s11214-022-00934-y

• Wautelet, G., Hubert, B., Gérard, JC. et al. including Erickson, P. J. (2022), Comparison of ICON-EUV F-Peak Characteristic Parameters with External Data Sources. Space Sci Rev 218, 62. https://doi.org/10.1007/s11214-022-00930-2

• Thaller, S., Ripoli, J.-F., Nishimura, T., and Erickson, P. J. (2022), Editorial: Coupled feedback mechanisms in the magnetosphere-ionosphere system.  Front. Astron. Space Sci. 9:1011217, https://doi.org/10.3389/fspas.2022.1011217

• Foster JC and Erickson PJ (2022), Off-equatorial effects of the nonlinear interaction of VLF chorus waves with radiation belt electrons. Front. Astron. Space Sci. 9:986814. https://doi.org/10.3389/fspas.2022.986814

• Aa, E., Zhang, S.-R., Wang, W., Erickson, P. J., Qian, L., Eastes, R., et al. (2022). Pronounced suppression and X-pattern merging of equatorial ionization anomalies after the 2022 Tonga volcano eruption. Journal of Geophysical Research: Space Physics, 127, e2022JA030527. https://doi.org/10.1029/2022JA030527

• Aa, E., Zhang, S.-R., Erickson, P. J., Vierinen, J., Coster, A. J., Goncharenko, L. P., et al. (2022). Significant ionospheric hole and equatorial plasma bubbles after the 2022 Tonga volcano eruption. Space Weather, 20, e2022SW003101. https://doi.org/10.1029/2022SW003101

• Zhang S-R, Vierinen J, Aa E, Goncharenko LP, Erickson P.J., Rideout W, Coster AJ and Spicher A (2022), 2022 Tonga Volcanic Eruption Induced Global Propagation of Ionospheric Disturbances via Lamb Waves. Front. Astron. Space Sci. 9:871275. doi:10.3389/fspas.2022.871275

• Nishimura, Y., Hussein, A., Erickson, P. J., Gallardo-Lacourt, B., & Angelopoulos, V. (2022). Statistical study of magnetospheric conditions for SAPS and SAID. Geophysical Research Letters, 49, e2022GL098469. https://doi.org/10.1029/2022GL098469

• Zhang, S.-R., Nishimura, Y., Erickson, P. J., Aa, E., Kil, H., Deng, Y., et al. (2022), Traveling ionospheric disturbances in the vicinity of storm-enhanced density at midlatitudes, Journal of Geophysical Research: Space Physics, 127, e2022JA030429. https://doi.org/10.1029/2022JA030429

• Frissell, N. A., Kaeppler, S. R., Sanchez, D. F., Perry, G. W., Engelke, W. D., Erickson, P. J., et al. (2022). First observations of large scale 

•  ionospheric disturbances using automated amateur radio receiving networks. Geophysical Research Letters, 49, e2022GL097879. https://doi.org/10.1029/2022GL097879

• Aa, E., Zhang, S.-R., Erickson, P. J., Wang, W., Coster, A. J., & Rideout, W. (2022). 3-D regional ionosphere imaging and SED reconstruction with a new TEC-based ionospheric data assimilation system (TIDAS). Space Weather, 20, e2022SW003055. https://doi.org/10.1029/2022SW003055

• Weiss, M.B., A. Palida, I. Murtazashvili, P. Krishnamurthy and P. J. Erickson (2021). A Property-Rights Mismatch Approach to Passive-Active Spectrum Use Coexistence.  2021 IEEE International Symposium on Dynamic Spectrum Access Networks (DySPAN), 2021, pp. 89-96, doi: 10.1109/DySPAN53946.2021.9677235.

• Zhang, S.-R., Erickson, P. J., Gasque, L. C., Aa, E., Rideout, W., Vierinen, J., et al. (2021). Electrified postsunrise ionospheric perturbations at Millstone Hill. Geophysical Research Letters, 48, e2021GL095151. https://doi.org/10.1029/2021GL095151

• Volz, R., J. L. Chau, P. J. Erickson, J. P. Vierinen, J. M. Urco, and M. Clahsen (2021), Four-dimensional mesospheric and lower thermospheric wind fields using Gaussian process regression on multistatic specular meteor radar observations, Atmos. Meas. Tech., 14, 7199–7219, doi:10.5194/amt-14-7199-2021.

• Foster, J.C. and P. J. Erickson (2021), Van Allen Probes Observations of Oxygen Ions at the Geospace Plume, Front. Astron. Space Sci. 8:705637, doi: 10.3389/fspas.2021.705637.

• Foster, J.C., P. J. Erickson, and Y. Omura (2021), Subpacket structure in strong VLF chorus rising tones: characteristics and consequences for relativistic electron acceleration, Earth Planets Space 73, 140, doi:10.1186/s40623-021-01467-4.

• Habarulema JB et al. including P. J. Erickson (2021), A global 3-D electron density reconstruction model based on radio occultation data and neural networks, Journal of Atmospheric and Solar-Terrestrial Physics, p105702, doi:10.1016/j.jastp.2021.105702.

• Aa, E., S.-R. Zhang, P. J. Erickson, A. J. Coster, L.P. Goncharenko, R. H. Varney, and R. Eastes (2021), Salient midlatitude ionosphere-thermosphere disturbances associated with SAPS during a minor but geo-effective storm at deep solar minimum, Journal of Geophysical Research: Space Physics, 126, e2021JA029509, doi:10.1029/2021JA029509.

• Coster, A. J., P. J. Erickson, and L. J. Lanzerotti (eds) (2021), Space Physics and Aeronomy, Volume 5, Space Weather Effects and Applications, Geophysical Monograph 262, John Wiley and Sons, doi:10.1002/9781119815570.

• Foster, J.C., S. Zou, S., R. A. Heelis, and P. J. Erickson (2021), Ionospheric Storm-Enhanced Density Plumes, In Ionosphere Dynamics and Applications (eds C. Huang, G. Lu, Y. Zhang and L.J. Paxton), doi:10.1002/9781119815617.ch6.

• Zhang, S-R., P. J. Erickson, J. Vierinen, E. Aa, W. Rideout, A. J. Coster, and L. P. Goncharenko, L. P. (2021), Conjugate ionospheric perturbation during the 2017 solar eclipse, Journal of Geophysical Research: Space Physics, 126, e2020JA028531, doi:10.1029/2020JA028531.

• Longley, W. J., J. Vierinen, M. P. Sulzer, R. H. Varney, P. J. Erickson, and P. Perillat (2021), An explanation for Arecibo plasma line power striations, Journal of Geophysical Research: Space Physics, 126, e2020JA028734, doi:10.1029/2020JA028734.

• Chau, J. L., et al. including P. J. Erickson (2021), Multistatic specular meteor radar network in Peru: System description and initial results, Earth and Space Science, 8, e2020EA001293, doi:10.1029/2020EA001293.

• Dinsmore, R., J. D. Mathews, A. Coster, R. M. Robinson, S. Sarkhel, P. J. Erickson, and J. Urbina (2021), Multi-instrument observations of SCIPS: 1. ISR and GPS TEC results, Journal of Atmospheric and Solar-Terrestrial Physics, 213, 105515, doi:10.1016/j.jastp.2020.105515.

• Aa, E., Erickson, P. J., Zhang, S.-R., Zou, S., Coster, A. J., Goncharenko, L. P., & Foster, J. C. (2020), A statistical study of the subauroral polarization stream over North American sector using the Millstone Hill incoherent scatter radar 1979–2019 measurements, Journal of Geophysical Research: Space Physics, 125, e2020JA028584. https://doi.org/10.1029/2020JA028584

• Longley, W. J., P. J. Erickson, J. Vierinen, M. M. Oppenheim, F. D. Lind, and Y. S. Dimant (2020), Millstone Hill ISR measurements of small aspect angle spectra, Journal of Geophysical Research: Space Physics, 125, e2019JA027708, doi:10.1029/2019JA027708

• Aa, E., S.-R. Zhang, P. J. Erickson, L. P. Goncharenko, A. J. Coster, O. F. Jonah, et al. (2020), Coordinated ground-based and space-borne observations of ionospheric response to the annular solar eclipse on 26 December 2019, Journal of Geophysical Research: Space Physics, 125, e2020JA028296, doi:10.1029/2020JA028296.

• Aa, E., S. Zou, P. J. Erickson, S.-R. Zhang, and S. Liu (2020), Statistical analysis of the main ionospheric trough using Swarm in situ measurements, Journal of Geophysical Research: Space Physics, 125, e2019JA027583, doi:10.1029/2019JA027583.

• Aa, E., S. Zou, R. Eastes, D. K. Karan, S.-R. Zhang, P. J. Erickson, and A. J. Coster (2020), Coordinated ground-based and space-based observations of equatorial plasma bubbles, Journal of Geophysical Research: Space Physics, 125. e2019JA027569, doi:10.1029/2019JA027569.

• Jonah, O. F., L. Goncharenko, P. J. Erickson, S. Zhang, S., A. J. Coster, J. L. Chau, et al. (2020), Anomalous behavior of the equatorial ionization anomaly during the 2 July 2019 solar eclipse, Journal of Geophysical Research: Space Physics, 125, e2020JA027909, doi:10.1029/2020JA027909.

• Foster, J. C., P. J. Erickson, Y. Omura, and D. N. Baker (2020), The impenetrable barrier: Suppression of chorus wave growth by VLF transmitters, Journal of Geophysical Research: Space Physics, 125, e2020JA027913, doi:10.1029/2020JA027913.

• Foster, J.C., P. J. Erickson, B. M. Walsh, J. R. Wygant, A. J. Coster, and Q.-H. Zhang (2020), Multi‐Point Observations of the Geospace Plume, In Dayside Magnetosphere Interactions (eds Q. Zong, P. Escoubet, D. Sibeck, G. Le and H. Zhang), AGU Geophysical Monograph 348, pp. 245-264, doi:10.1002/9781119509592.

• Jonah, O.F., S. Zhang, A. J. Coster, L. P. Goncharenko, P. J. Erickson, W. Rideout, E. R. de Paula, and R. de Jesus (2020), Understanding Inter-Hemispheric Traveling Ionospheric Disturbances and Their Mechanisms, Remote Sens. 12, 228, doi:10.3390/rs12020228.

• Erickson, P. J. (2020), Mid-latitude ionospheric features: Natural complexity in action, In The Dynamical Ionosphere (pp. 25-38), Elsevier, doi:10.1016/B978-0-12-814782-5.00005-4.

• Zhang, S.‐R., P. J. Erickson, A. J. Coster, W. Rideout, J. Vierinen, J., O. F. Jonah, and L. P. Goncharenko (2019), Subauroral and polar traveling ionospheric disturbances during the 7–9 September 2017 storms, Space Weather, 17, 1748– 1764, doi:10.1029/2019SW002325.

• Wu, Q., et al. including P. J. Erickson (2019), HIWIND Observation of Summer Season Polar Cap Thermospheric Winds, Journal of Geophysical Research: Space Physics, 124, doi:10.1029/2019JA027258.

• Wu, Q., et al. including P. J. Erickson (2019), What do the new 2018 HIWIND thermospheric wind observations tell us about high‐latitude ion‐neutral coupling during daytime?, Journal of Geophysical Research: Space Physics, 124, 6173– 6181, doi:10.1029/2019JA026776.

• Zhang, S.‐R., A. J. Coster, P. J. Erickson, L. P. Goncharenko, W. Rideout, and J. Vierinen (2019), Traveling ionospheric disturbances and ionospheric perturbations associated with solar flares in September 2017, J. Geophys. Res. Space Physics, 124, doi:10.1029/2019JA026585.

• Omura, Y., Y.-K. Hsieh, Y.‐K., J. C. Foster, P. J. Erickson, C. A. Kletzing and D. N. Baker (2019), Cyclotron acceleration of relativistic electrons through Landau resonance with obliquely propagating whistler‐mode chorus emissions, J. Geophys. Res. Space Physics, 124, 2795– 2810, doi:10.1029/2018JA026374.

• Frissell, N. A. et al. including P. J. Erickson (2019), High Frequency Communications Response to Solar Activity in September 2017 as Observed by Amateur Radio Networks, Space Weather, 17, doi:10.1029/2018SW002008.

• Aa, E. et al. including P. J. Erickson (2018), Merging of storm‐time midlatitude traveling ionospheric disturbances and equatorial plasma bubbles, Space Weather, 16, doi:10.1029/2018SW002101.

• Jonah, O. F. et al. including P. J. Erickson (2018), TID observations and source analysis during the 2017 Memorial Day weekend geomagnetic storm over North America, J. Geophys. Res. Space Physics, 123, 8749–8765, doi:10.1029/2018JA025367.

• Kunduri, B. S. R. et al. including P. J. Erickson (2018). A new empirical model of the subauroral polarization stream, J. Geophys. Res. Space Physics, 123, 7342–7357, doi:10.1029/2018JA025690.

• Goncharenko, L. P., A. J. Coster, S.-R. Zhang, P. J. Erickson, L. Benkevitch, N. Aponte, et al (2018), Deep Ionospheric Hole Created by Sudden Stratospheric Warming in the Nighttime Ionosphere, J. Geophys. Res. Space Physics, 123, doi:10.1029/2018JA025541.

• Mendillo, M., P. J. Erickson, S.-R. Zhang, M. Mayyasi, C. Narvaez, E. Thiemann, et al. (2018), Flares at Earth and Mars: An ionospheric escape mechanism?, Space Weather, 16, doi:10.1029/2018SW001872.

• Frissell, N. A., et al. including P. J. Erickson (2018), Modeling amateur radio soundings of the ionospheric response to the 2017 great American eclipse, Geophys. Res. Lett., 45, 4665–4674, doi:10.1029/2018GL077324.

• Goncharenko, L. P., P. J. Erickson, S.-R. Zhang, I. Galkin, A. J. Coster, and O. F. Jonah (2018), Ionospheric response to the solar eclipse of 21 August 2017 in Millstone Hill (42N) observations, Geophys. Res. Lett., 45, 4601–4609, doi:10.1029/2018GL077334.

• Zhang S.‐R., J. M. Holt, P. J. Erickson, and L. P. Goncharenko (2018), Comments on “Long‐term variations of exospheric temperature inferred from foF1 observations: A comparison to ISR Ti trend estimates” by Perrone and Mikhailov, J. Geophys. Res. Space Physics, 123, 4467–4473, doi:10.1029/2017JA024948.

• Panasenko, S. V., L. P. Goncharenko, P. J. Erickson, K. D. Aksonova, and I. F. Domnin (2018), Traveling ionospheric disturbances observed by Kharkiv and Millstone Hill incoherent scatter radars near vernal equinox and summer solstice, J. Atm. Solar-Terr. Phys , 172, 10-23, doi:10.1016/j.jastp.2018.03.001.

• Baker, D. N., P. J. Erickson, J. F. Fennell, J. C. Foster, A. N. Jaynes, and P. T. Verronen (2018), Space Weather Effects in the Earth's Radiation Belts, Space Sci. Rev., 214, 17, doi:10.1007/s11214-017-0452-7.

• Lonsdale, C., et al. including P. J. Erickson (2018), Solar Imaging using Low Frequency Arrays, arXiv, arXiv:1802.01778.

• Themens, D. R., P. T. Jayachandran, D. Bilitza, P. J. Erickson, I. Häggström, M. V. Lyashenko, et al. (2018), Topside electron density representations for middle and high latitudes: A topside parameterization for E-CHAIM based on the NeQuick, J. Geophys. Res. Space Physics, 123, doi:10.1002/2017JA024817.

• Zhang S.‐R., P. J. Erickson, L. P. Goncharenko, A. J. Coster, and N. A. Frissell (2017), Monitoring the geospace response to the Great American Solar Eclipse on 21 August 2017, Earth Planet. Phys., 1, 72–76, doi:10.26464/epp2017011.

• Mrak, S. et al. including P. J. Erickson (2018), Field-aligned GPS scintillation: Multisensor data fusion, J. Geophys. Res. Space Physics, 123, 974–992, doi:10.1002/2017JA024557.

• Zhang, S.-R., P. J. Erickson, L. P. Goncharenko, A. J. Coster, W. Rideout, and J. Vierinen (2017), Ionospheric bow waves and perturbations induced by the 21 August 2017 solar eclipse, Geophys. Res. Lett., 44. doi:10.1002/2017GL076054.

• Coster, A. J., L. P. Goncharenko, S.-R. Zhang, P. J. Erickson, W. Rideout, and J. Vierinen (2017), GNSS observations of ionospheric variations during the 21 August 2017 solar eclipse, Geophys. Res. Lett., 44. doi:10.1002/2017GL075774.

• Pankratius, V., A. Coster, J. Vierinen, P. J. Erickson, and W. Rideout (2017), GPS Data Processing for Scientific Studies of the Earth’s Atmosphere and Near-Space Environment. I: Encyclopedia of GIS, Springer Publishing Company, ISBN 978-3-319-23519-6. 

• Semeter, J., et al. including P. J. Erickson (2017), GPS signal corruption by the discrete Aurora: Precise measurements from the Mahali experiment, Geophys. Res. Lett. 44, 9539–9546. doi:10.1002/2017GL073570.

• Gombosi, T.I., D. N. Baker, A. Balogh, P. J. Erickson, J. D. Huba, and L. J. Lanzerotti (2017), Anthropogenic Space Weather, Space Sci. Rev., doi:10.1007/s11214-017-0357-5.

• Swoboda, J., J. Semeter, M. Zettergren, and P. J. Erickson (2017), Observability of Ionospheric Space-Time Structure with ISR: A Simulation Study, Radio Sci., 52, 215–234, doi:10.1002/2016RS006182.

• Zhang, S.-R., P. J. Erickson, Y. Zhang, W. Wang, C. Huang, A.J. Coster, J.M. Holt, J. C. Foster, M. Sulzer, and R. Kerr (2017), Observations of ion-neutral coupling associated with strong electrodynamic disturbances during the 2015 St. Patrick’s Day storm, J. Geophys. Res. Space Physics, 122, 1314–1337, doi:10.1002/2016JA023307.

• Foster, J. C., P. J. Erickson, Y. Omura, D. N. Baker, C. A. Kletzing, and S. G. Claudepierre (2017), Van Allen Probes observations of prompt MeV radiation belt electron acceleration in nonlinear interactions with VLF chorus, J. Geophys. Res. Space Physics, 122, 324–339, doi:10.1002/2016JA023429.

• Matsui, H., P. J. Erickson, et al. (2016), Dipolarization in the inner magnetosphere during a geomagnetic storm on 7 October 2015, Geophys. Res. Lett., 43, 9397–9405, doi:10.1002/2016GL070677.

• Baker, D. N., et al. including P. J. Erickson (2016), Highly relativistic radiation belt electron acceleration, transport, and loss: Large solar storm events of March and June 2015, J. Geophys. Res. Space Physics, 121, 6647–6660, doi:10.1002/2016JA022502.

• Zhang, S.-R., J. M. Holt, P. J. Erickson, L. P. Goncharenko, M. J. Nicolls, M. McCready, and J. Kelly (2016), Ionospheric ion temperature climate and upper atmospheric long-term cooling, J. Geophys. Res. Space Physics, 121,  doi:10.1002/2016JA022971.

• Pankratius, V., et al. including P. J. Erickson (2016), Computer-Aided Discovery: Toward Scientific Insight Generation with Machine Support, IEEE Intelligent Systems, 31(4), 3-10, doi:10.1109/MIS.2016.60 .

• Eltrass, A., W. A. Scales, P. J. Erickson, J. M. Ruohoniemi, and J. B. H. Baker (2016), Investigation of the role of plasma wave cascading processes in the formation of midlatitude irregularities utilizing GPS and radar observations, Radio Sci., 51, 836–851, doi:10.1002/2015RS005790.

• Erickson, P. J., et al. (2016), Multi-point MMS observations of fine-scale SAPS structure in the inner magnetosphere, Geophys. Res. Lett., 43, 7294-7300, doi:10.1002/2016GL069174.

• Foster, J. C., P. J. Erickson, D. N. Baker, A. N. Jaynes, E. V. Mishin, J. F. Fennel, X. Li, M. G. Henderson, and S. G. Kanekal (2016), Observations of the impenetrable barrier, the plasmapause, and the VLF bubble during the 17 March 2015 storm, J. Geophys. Res. Space Physics, 121, 5537–5548, doi:10.1002/2016JA022509.

• Vierinen, J., A. Bhatt, M. A. Hirsch, A. Strømme, J. L. Semeter, S.-R. Zhang, and P. J. Erickson (2016), High temporal resolution observations of auroral electron density using superthermal electron enhancement of Langmuir waves, Geophys. Res. Lett., 43, 5979–5987, doi:10.1002/2016GL069283.

• Burke, W. J., P. J. Erickson, J. Yang, J. Foster, J. Wygant, G. Reeves, and C. Kletzing (2016), O+ ion conic and plasma sheet dynamics observed by Van Allen Probe satellites during the 1 June 2013 magnetic storm, J. Geophys. Res. Space Physics, 121, 4072–4091, doi:10.1002/2015JA021795.

• Rogers, A. E. E., P. J. Erickson, L. P. Goncharenko, O. B. Alam, J. Noto, R. B. Kerr, and S. Kapali (2016), Seasonal and Local Solar Time Variation of the Meridional Wind at 95 km from Observations of the 11.072 GHz Ozone line and 557.7 nm Oxygen line, J. Atmos. Ocean. Technol., JTECH–D–15–0247.1, doi:10.1175/JTECH-D-15-0247.1.

• Vierinen, J., A. J. Coster, W. C. Rideout, P. J. Erickson, and J. Norberg (2016), Statistical framework for estimating GNSS bias, Atmospheric Measurement Techniques, 9(3), 1303-1312, doi:10.5194/amt-9-1303-2016.

• Semeter, J., M. Hirsch, F. Lind, A. Coster, P. Erickson, and V. Pankratius (2016), GNSS-ISR data fusion: General framework with application to the high-latitude ionosphere, Radio Sci., 51, 118–129, doi:10.1002/2015RS005794.

• Loi, S. T., I. H. Cairns, T. Murphy, P. J. Erickson, M. E. Bell, A. Rowlinson, B. S. Arora, J. Morgan, R. D. Ekers, N. Hurley-Walker, et al. (2016), Density duct formation in the wake of a travelling ionospheric disturbance: Murchison Widefield Array observations, J. Geophys. Res. Space Physics, 121, 1569–1586, doi:10.1002/2015JA022052.

• Scales, W. A., A. Eltrass, J. M. Ruohoniemi, J. B. H. Baker and P. J. Erickson (2016), GPS and radar data analysis of midlatitude ionospheric plasma wave irregularities, 2016 United States National Committee of URSI National Radio Science Meeting (USNC-URSI NRSM), Boulder, CO, 2016, pp. 1-2, doi: 10.1109/USNC-URSI-NRSM.2016.7436250.

• Immel, T. J., G. Liu, S. L. England, L. P. Goncharenko, P. J. Erickson, M. V. Lyashenko, J. Chau, H. U. Frey, S. B. Mende, Q. Zhou, A. Stromme, and L. J. Paxton (2015), The August 2011 URSI World Day campaign: Initial results, J. Atm. Solar-Terr. Phys., 134, 47–55, doi:10.1016/j.jastp.2015.09.005

• Zhang, S.-R., et. al. including P. J. Erickson (2015), Thermospheric Poleward Wind Surge at Mid-Latitudes During Great Storm Intervals, Geophys. Res. Lett., 42, 5132–5140, doi:10.1002/2015GL064836.

• Swoboda, J., J. Semeter, and P. Erickson (2015), Space-time ambiguity functions for electronically scanned ISR applications, Radio Sci., 50, 415–430. doi:10.1002/2014RS005620.

• Loi, S. T., et al. including P. J. Erickson (2015), Real-time imaging of density ducts between the plasmasphere and ionosphere, Geophys. Res. Lett., 42, 3707–3714, doi:10.1002/2015GL063699.

• Zhang, S.-R., J. M. Holt, P. J. Erickson, and L. P. Goncharenko (2015), Day-to-day variability and solar preconditioning of thermospheric temperature over Millstone Hill, J. Geophys. Res. Space Physics, 120, doi:10.1002/2014JA020578.

• Foster, J. C., J. R. Wygant, M. K. Hudson, A. J. Boyd, D. N. Baker, P. J. Erickson, and H. E. Spence (2015), Shock-Induced Prompt Relativistic Electron Acceleration In the Inner Magnetosphere, J. Geophys. Res. Space Physics, 120, 1661–1674, doi:10.1002/2014JA020642.

• Baker, D. N., A. N. Jaynes, V. C. Hoxie, R. M. Thorne, J. C. Foster, X. Li, J. F. Fennell, J. R. Wygant, S. G. Kanekal, P. J. Erickson, W. Kurth, W. Li, Q. Ma, Q. Schiller, L. Blum, D. M. Malaspina, A. Gerrard, and L. J. Lanzerotti (2014), An impenetrable barrier to ultrarelativistic electrons in the Van Allen radiation belts, Nature, 515, 7528, 531–534, doi:10.1038/nature13956.

• Hickey, D. A., C. R. Martinis, P. J. Erickson, L. P. Goncharenko, J. W. Meriwether, R. Mesquita, W. L. Oliver, and A. Wright (2014), New radar observations of temporal and spatial dynamics of the midnight temperature maximum at low latitude and midlatitude, J. Geophys. Res. Space Physics, 119, 10,499–10,506, doi:10.1002/2014JA020719.

• Vierinen, J., J. Norberg, M. S. Lehtinen, O. Amm, L. Roininen, A. Väänännen, P. J. Erickson, and D. McKay-Bukowski (2014), Beacon satellite receiver for ionospheric tomography, Radio Sci., 49, 1141–1152, doi:10.1002/2014RS005434.

• Pankratius, V., F. Lind, A. Coster, P. Erickson, and J. Semeter (2014), Mobile crowd sensing in space weather monitoring: the Mahali project, IEEE Communications Magazine, 52(8), 22-28, doi: 10.1109/MCOM.2014.6871665.

• de Larquier, S., A. Eltrass, A. Mahmoudian, J. M. Ruohoniemi, J. B. H. Baker, W. A. Scales, P. J. Erickson, and R. A. Greenwald (2014), Investigation of the temperature gradient instability as the source of midlatitude quiet time decameter-scale ionospheric irregularities: 1. Observations, J. Geophys. Res. Space Physics, 119, 4872–4881, doi:10.1002/2013JA019643.

• Eltrass, A., A. Mahmoudian, W. A. Scales, S. de Larquier, J. M. Ruohoniemi, J. B. H. Baker, R. A. Greenwald, and P. J. Erickson (2014), Investigation of the temperature gradient instability as the source of midlatitude quiet time decameter-scale ionospheric irregularities: 2. Linear analysis, J. Geophys. Res. Space Physics, 119, 4882–4893, doi:10.1002/2013JA019644.

• Baker, D. N., et al. including P. J. Erickson (2014), Gradual diffusion and punctuated phase space density enhancements of highly relativistic electrons: Van Allen Probes observations, Geophys. Res. Lett., 41, 1351–1358, doi:10.1002/2013GL058942. 

• Walsh, B. M., J. C. Foster, P. J. Erickson, and D. G. Sibeck (2014), Simultaneous ground- and space-based observations of the plasmaspheric plume and reconnection, Science, 343(6175), 1122-1125, doi:10.1126/science.1247212.

• Foster, J. C., P.J. Erickson, A.J. Coster, S. Thaller, J. Tao, J.R. Wygant, and J. W. Bonnell (2014), Storm time observations of plasmasphere erosion flux in the magnetosphere and ionosphere, Geophys. Res. Lett., 41, 762–768, doi:10.1002/2013GL059124.

• Foster, J. C., P. J. Erickson, D. N. Baker, et al. (2014), Prompt energization of relativistic and highly relativistic electrons during substorm intervals: Van Allen Probes observations, Geophys. Res. Lett., 41, 20–25, doi: 10.1002/2013GL058438.

• Foster, J. C. and P. J. Erickson (2013), Ionospheric superstorms: Polarization terminator effects in the Atlantic sector, J. Atm. Solar-Terr. Phys., 103, 147–156, doi:10.1016/j.jastp.2013.04.001.

• Zhang, S.-R., Z. Chen, A. J. Coster, P. J. Erickson, and J. C. Foster (2013), Ionospheric symmetry caused by geomagnetic declination over North America, Geophys. Res. Lett., 40, 5350–5354, doi:10.1002/2013GL057933.

• Virtanen, I. I., F. D. Lind, L. Roininen, P. J. Erickson, W. C. Rideout, M. Orispää, J. Vierinen, and M. S. Lehtinen (2013), Polyphase-coded incoherent scatter measurements at Millstone Hill, Radio Sci., 48, 519–526, doi:10.1002/rds.20058.

• Lind, F. D., P. J. Erickson, A. J. Coster, J. C. Foster, J. R. Marchese, Z. Berkowitz, and J. D. Sahr (2013), Intercepted signals for ionospheric science, Radio Sci., 48, 248-264, doi:10.1002/rds.20034.

• 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.

• Bowman, J. D. et al including P. J. Erickson (2013), Science with the Murchison Widefield Array, Publications of the Astronomical Society of Australia, 30, e031, doi:10.1017/pas.2013.009. 

• Coster, A., D. Herne, P. Erickson, and D. Oberoi (2012), Using the Murchison Widefield Array to observe midlatitude space weather, Radio Sci., 47, RS0K07, doi:10.1029/2012RS004993.

• Rogers, A. E. E., P. Erickson, V. L. Fish, J. Kittredge, S. Danford, J. M. Marr, M. B. Arndt, J. Sarabia, D. Costa, and S. K. May (2012), Repeatability of the Seasonal Variations of Ozone near the Mesopause from Observations of the 11.072-GHz Line, J. Atmos. Oceanic Technol., 29, 1492–1504, doi: http://dx.doi.org/10.1175/JTECH-D-11-00193.1.

• Zhang, S.-R., J. C. Foster, J. M. Holt, P. J. Erickson, and A. J. Coster (2012), Magnetic declination and zonal wind effects on longitudinal differences of ionospheric electron density at midlatitudes, J. Geophys. Res., 117, A08329, doi:10.1029/2012JA017954.

• Bernhardt, P.A. et al including P. J. Erickson (2012), Ground and Space-Based Measurement of Rocket Engine Burns in the Ionosphere, IEEE Trans. Plasma Science, 40, 5, pp.1267-1286, doi: 10.1109/TPS.2012.2185814.

• Zhang, S.-R., A. J. Coster, J. M. Holt, J. C. Foster, and P. J. Erickson (2012), Ionospheric longitudinal variations at midlatitudes: Incoherent scatter radar observation at Millstone Hill, Science China Technological Sciences, 55 (5), 1153-1160.

• Bernhardt, P.A, J. B. Baumgardner, A. N. Bhatt, P. J. Erickson, M. F. Larsen, T. R. Pedersen, and C. L. Siefring (2011), Optical Emissions Observed During the Charged Aerosol Release Experiment (CARE I) in the Ionosphere, IEEE Trans. Plasma Science, vol.39, no.11, pp.2774-2775, doi: 10.1109/TPS.2011.2164944.

• Anderson, J. P., E. B. Phelps, P. J. Erickson, F. D. Lind, A. J. Coster, and G. I. Langston (2011), Characterization of system calibration parameters for high gain dual polarization satellite beacon diagnostics of ionospheric variations, Radio Sci., 46, RS5017, doi:10.1029/2011RS004711.

• Zhang, S.-R., J. C. Foster, A. J. Coster, and P. J. Erickson (2011), East-West Coast differences in total electron content over the continental US, Geophys. Res. Lett., 38, L19101, doi:10.1029/2011GL049116.

• Wissing, J. M., M.-B. Kallenrode, J. Kieser, H. Schmidt, M. T. Rietveld, A. Strømme, and P. J. Erickson (2011), Atmospheric Ionization Module Osnabrück (AIMOS): 3. Comparison of electron density simulations by AIMOS-HAMMONIA and incoherent scatter radar measurements, J. Geophys. Res., 116, A08305, doi:10.1029/2010JA016300.

• Erickson, P. J., F. Beroz, and M. Z. Miskin (2011), Statistical characterization of the American sector subauroral polarization stream using incoherent scatter radar, J. Geophys. Res., 116, A00J21, doi:10.1029/2010JA015738.

• Kelley, M. C., R. R. Ilma, M. Nicolls, P. Erickson, L. Goncharenko, J. L. Chau, N. Aponte, and J. U. Kozyra (2010), Spectacular low- and mid-latitude electrical fields and neutral winds during a superstorm, J. Atm. Solar-Terr. Phys., 72(4), 285-291, doi: 10.1016/j.jastp.2008.12.006.

• Erickson, P. J., L.P. Goncharenko, M.J. Nicolls, M. Ruohoniemi, and M.C. Kelley (2010), Dynamics of North American sector ionospheric and thermospheric response during the November 2004 superstorm, J. Atm. Solar-Terr. Phys., 72 (4), 292-301, doi: 10.1016/j.jastp.2009.04.001.

• Mendillo, M., S. Smith, A. Coster, P. Erickson, J. Baumgardner, and C. Martinis (2008), Man-made space weather, Space Weather, 6, S09001, doi:10.1029/2008SW000406.

• Baumgardner, J., J. Wroten, J. Semeter, J. Kozyra, M. Buonsanto, P. Erickson, and M. Mendillo (2007), A very bright SAR arc: implications for extreme magnetosphere-ionosphere coupling, Ann. Geophys., 25, 2593-2608, doi:10.5194/angeo-25-2593-2007.

• Greenwald, R. A., K. Oksavik, P. J. Erickson, F. D. Lind, J. M. Ruohoniemi, J. B. H. Baker, and J. W. Gjerloev (2006), Identification of the temperature gradient instability as the source of decameter-scale ionospheric irregularities on plasmapause field lines, Geophys. Res. Lett., 33, L18105, doi:10.1029/2006GL026581.

• Foster, J. C., A. J. Coster, P. J. Erickson, W. Rideout, F. J. Rich, T. J. Immel, and B. R. Sandel (2005), Redistribution of the stormtime ionosphere and the formation of the plasmaspheric bulge, in Inner Magnetosphere Interactions: New Perspectives from Imaging, 2004 Yosemite Conf. Proceedings, American Geophysical Union Press, Wash. DC.

• Foster, J. C., A. J. Coster, P. J. Erickson, J. M. Holt, F. D. Lind, W. Rideout, M. McCready, A. Van Eyken, R. A. Greenwald, and F. J. Rich (2005), Multiradar observations of the polar tongue of ionization, J. Geophys. Res., 110 , A09S31, doi:10.1029/2004JA010928.

• Bernhardt, P. A., P. J. Erickson, F. D. Lind, J. C. Foster, and B. W. Reinisch (2005), Artificial disturbances of the ionosphere over the Millstone Hill Incoherent Scatter Radar from dedicated burns of the space shuttle orbital maneuver subsystem engines, J. Geophys. Res., 110, A05311, doi:10.1029/2004JA010795.

• Grydeland, T., F. D. Lind, P. J. Erickson, and J. M. Holt (2005), Software Radar signal processing, Ann. Geophys., 23, 109-121, doi:10.5194/angeo-23-109-2005.

• Foster, J. C., P. J. Erickson, F. D. Lind, and W. Rideout (2004), Millstone Hill coherent-scatter radar observations of electric field variability in the Sub-Auroral Polarization Stream, Geophys. Res. Lett., 31 , L21803, doi:10.1029/2004GL021271.

• Galushko, V. G., V. S. Beley, A. V. Koloskov, Y. M. Yampolski, V. V. Paznukhov, B. W. Reinisch, J. C. Foster, and P. Erickson (2003), Frequency-and-angular HF sounding and ISR diagnostics of TIDs, Radio Sci., 38, 1102, doi:10.1029/2002RS002861, 6.

• Huang, C.-S., J. C. Foster, and P. J. Erickson (2002), Effects of solar wind variations on the midlatitude ionosphere, J. Geophys. Res., 107(A8), doi:10.1029/2001JA009025.

• Foster, J. C., P. J. Erickson, A. J. Coster, J. Goldstein, and F. J. Rich (2002), Ionospheric signatures of plasmaspheric tails, Geophys. Res. Lett., 29 (13), 10.1029/2002GL015067.

• Erickson, P. J., J. C. Foster, and J. M. Holt (2002), Inferred electric field variability in the polarization jet from Millstone Hill E region coherent scatter observations, Radio Sci., 37 (2), 1027, doi:10.1029/2000RS002531.

• Holt, J. M., P. J. Erickson, A. M. Gorczyca, and T. Grydeland (2000), MIDAS-W: a workstation-based incoherent scatter radar data acquisition system, Ann. Geophys., 18(9), 1231-1241, doi:10.1007/s00585-000-1231-3..

• Foster, J. C., and P. J. Erickson (2000), Simultaneous observations of E-region coherent backscatter and electric field amplitude at F-region heights with the Millstone Hill UHF radar, Geophys. Res. Lett., 27 , 3177-3180.

• Erickson, P. J. and W. E. Swartz (1994), Mid-latitude incoherent scatter observations of helium and hydrogen ions, Geophys. Res. Lett., 21 (24), 2745-2748, doi:10.1029/94GL01585.  (Correction here.)

Dissertation:

Erickson, P. J., Observations of light ions in the midlatitude and equatorial topside ionosphere, Cornell University, 1998.  [Please contact me directly if access to this PDF does not work.]

Contact information:

Email: pje at haystack dot mit dot edu

WWW: http://www.haystack.mit.edu/~pje

Voice: +1 617 715 5769

Fax: +1 617 715 5766

Public key: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x54878872