Alex Chartier Print


  240-228-3895

  Alex.Chartier@jhuapl.edu

: SES

:   Staff Scientist in Ionospheric Physics

:  Heliophysics

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Degree Field of Study Year Attained Institution Name
EngD Aeronomy 2014 University of Bath
BSc Physics 2009 University College London

Doctor Chartier is the principal investigator (PI) of the Super Dual Auroral Radar Network (SuperDARN) high-frequency (HF) over-the-horizon radar at NASA Wallops (VA). His research goal is to understand the dynamics of the high-latitude ionosphere and its effects on radio propagation. Related to that goal, he has addressed science topics including polar cap plasma patches, interactions between the thermosphere and ionosphere, and global ionospheric data assimilation. In 2019, he built a bistatic HF ionospheric sounder and deployed it to McMurdo and South Pole stations in Antarctica. Alex is PI of several NSF grants, and institutional PI of a NASA Living With a Star targeted research project on extreme space weather events. His thesis titled “Ionospheric Specification and Forecasting” was ranked second nationally across Geophysics by the Royal Astronomical Society (UK). Doctor Chartier also won the Committee on Space Research (COSPAR) Outstanding Paper Award for Young Scientists with his first paper. Since coming to the USA, Alex has been awarded Alien of Extraordinary Ability status.  His hobbies include sailing, rock climbing and playing drums. 

 
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Start Year End Year Description
2014 Current Staff Scientist in Ionospheric Physics Space Exploration Sector: Geospace and Earth Sciences Johns Hopkins University/Applied Physics Laboratory
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The following publication information was downloaded from

ORCID logo https://orcid.org/0000-0002-4215-031X

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A. T. Chartier, S. Datta‐Barua, S. E. McDonald, G. S. Bust, J. Tate, L. P. Goncharenko, G. Romeo, R. K. Schaefer, (2021), Night-Time Ionospheric Localized Enhancements (NILE) Observed in North America Following Geomagnetic Disturbances, Journal of Geophysical Research: Space Physics , 126, 9, https://doi.org/10.1029/2021ja029324

B. S. R. Kunduri, J. B. H. Baker, J. M. Ruohoniemi, A. J. Coster, S. K. Vines, B. J. Anderson, S. G. Shepherd, A. T. Chartier, (2021), An Examination of Magnetosphere-Ionosphere Influences During a SAPS Event, Geophysical Research Letters , 48, 19, https://doi.org/10.1029/2021gl095751

Alex Chartier, (2020), Response to reviewer RC1 , https://doi.org/10.5194/amt-2020-2-ac1

Alex Chartier, (2020), Response to Reviewer #2 , https://doi.org/10.5194/amt-2020-2-ac2

Alex Timothy Chartier, Juha Vierinen, Geonhwa Jee, (2020), First Observations of the McMurdo-South Pole Ionospheric HF Channel , https://doi.org/10.5194/amt-2020-2

Alex T. Chartier, Juha Vierinen, Geonhwa Jee, (2020), First observations of the McMurdotextendashSouth Pole oblique ionospheric HF channel, Atmospheric Measurement Techniques , 13, 6, 3023--3031, https://doi.org/10.5194/amt-13-3023-2020

U. Ramirez, Ningchao Wang, Alex T. Chartier, S. Datta‐Barua, (2019), SuperDARN Evidence for Convection-Driven Lagrangian Coherent Structures in the Polar Ionosphere, Journal of Geophysical Research: Space Physics , https://doi.org/10.1029/2018ja026225

Alex T. Chartier, J. D. Huba, Cathryn N. Mitchell, (2019), On the Annual Asymmetry of High-Latitude Sporadic F, Space Weather , 17, 11, 1618--1626, https://doi.org/10.1029/2019sw002305

Alex T. Chartier, Cathryn N. Mitchell, Ethan S. Miller, (2018), Annual Occurrence Rates of Ionospheric Polar Cap Patches Observed using Swarm , Journal of Geophysical Research: Space Physics , https://doi.org/10.1002/2017ja024811

Ningchao Wang, Seebany Datta-Barua, Alex T. Chartier, Uriel Ramirez, Cathryn N. Mitchell, (2018), Horseshoes in the High-Latitude Ionosphere, Journal of Geophysical Research: Space Physics , 123, 7, 5831--5849, https://doi.org/10.1029/2017ja025077

Pinto Jayawardena, Talini S. and Chartier, Alex T. and Spencer, Paul and Mitchell, Cathryn N., (2016), Imaging the topside ionosphere and plasmasphere with ionospheric tomography using COSMIC GPS TEC, Journal of Geophysical Research: Space Physics, n/a--n/a, http://dx.doi.org/10.1002/2015JA021561

Alex Chartier, Biagio Forte, Kshitija Deshpande, Gary Bust, Cathryn Mitchell, (2016), Three-dimensional modeling of high-latitude scintillation observations, Radio Science , 51, 7, 1022--1029, https://doi.org/10.1002/2015rs005889

Chartier, Alex T. and Matsuo, Tomoko and Anderson, Jeffrey L. and Collins, Nancy and Hoar, Timothy J. and Lu, Gang and Mitchell, Cathryn N. and Coster, Anthea J. and Paxton, Larry J. and Bust, Gary S., (2016), Ionospheric data assimilation and forecasting during storms, Journal of Geophysical Research: Space Physics, n/a--n/a, http://dx.doi.org/10.1002/2014JA020799

Alex T. Chartier, Jonathan J. Makela, Hanli Liu, Gary S. Bust, John Noto, (2015), Modeled and observed equatorial thermospheric winds and temperatures, Journal of Geophysical Research: Space Physics , 120, 7, 5832--5844, https://doi.org/10.1002/2014ja020921

Alex T. Chartier, Joe Kinrade, Cathryn N. Mitchell, Julian A. R. Rose, David R. Jackson, Pierre Cilliers, John-Bosco Habarulema, Zama Katamzi, Lee-Anne Mckinnell, Tshimangadzo Matamba, Ben Opperman, Nicholas Ssessanga, Nigussie Mezgebe Giday, Vumile Tyalimpi, Giorgiana De Franceschi, Vincenzo Romano, Carlo Scotto, Riccardo Notarpietro, Fabio Dovis, Eugene Avenant, Richard Wonnacott, Elijah Oyeyemi, Ayman Mahrous, Gizaw Mengistu Tsidu, Harvey Lekamisy, Joseph Ouko Olwendo, Patrick Sibanda, Tsegaye Kassa Gogie, Babatunde Rabiu, Kees De Jong, Adekola Adewale, (2014), Ionospheric imaging in Africa, Radio Sci., 49, 1, 19--27, http://dx.doi.org/10.1002/2013rs005238

Alex T. Chartier, David R. Jackson, Cathryn N. Mitchell, (2013), A comparison of the effects of initializing different thermosphere-ionosphere model fields on storm time plasma density forecasts, J. Geophys. Res. Space Physics, 118, 11, 7329--7337, http://dx.doi.org/10.1002/2013ja019034

B. Forte, N. D. Smith, C. N. Mitchell, F. Da Dalt, T. Panicciari, A. T. Chartier, D. Stevanovic, M. Vuckovic, J. Kinrade, J. R. Tong, I. Häggström, E. Turunen, (2013), Comparison of temporal fluctuations in the total electron content estimates from EISCAT and GPS along the same line of sight, Annales Geophysicae, 31, 4, 745--753, http://dx.doi.org/10.5194/angeo-31-745-2013

Alex T. Chartier, Cathryn N. Mitchell, David R. Jackson, (2012), A 12year comparison of MIDAS and IRI 2007 ionospheric Total Electron Content, Advances in Space Research, 49, 9, 1348--1355, http://dx.doi.org/10.1016/j.asr.2012.02.014

Alex T. Chartier, Nathan D. Smith, Cathryn N. Mitchell, David R. Jackson, Percy J. C. Patilongo, (2012), The use of ionosondes in GPS ionospheric tomography at low latitudes, J. Geophys. Res., 117, A10, http://dx.doi.org/10.1029/2012ja018054