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Matthew Zettergren
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Ionospheric response to infrasonic‐acoustic waves generated by natural hazard events
MD Zettergren, JB Snively
Journal of Geophysical Research: Space Physics 120 (9), 8002-8024, 2015
972015
Ionospheric plasma transport and loss in auroral downward current regions
M Zettergren, J Semeter
Journal of Geophysical Research: Space Physics 117 (A6), 2012
632012
Wave dispersion and the discrete aurora: New constraints derived from high‐speed imagery
J Semeter, M Zettergren, M Diaz, S Mende
Journal of Geophysical Research: Space Physics 113 (A12), 2008
612008
Ionospheric signatures of acoustic waves generated by transient tropospheric forcing
MD Zettergren, JB Snively
Geophysical Research Letters 40 (20), 5345-5349, 2013
492013
MICA sounding rocket observations of conductivity‐gradient‐generated auroral ionospheric responses: Small‐scale structure with large‐scale drivers
KA Lynch, DL Hampton, M Zettergren, TA Bekkeng, M Conde, ...
Journal of Geophysical Research: Space Physics 120 (11), 9661-9682, 2015
442015
Nonlinear ionospheric responses to large‐amplitude infrasonic‐acoustic waves generated by undersea earthquakes
MD Zettergren, JB Snively, A Komjathy, OP Verkhoglyadova
Journal of Geophysical Research: Space Physics 122 (2), 2272-2291, 2017
422017
Auroral ionospheric F region density cavity formation and evolution: MICA campaign results
M Zettergren, K Lynch, D Hampton, M Nicolls, B Wright, M Conde, J Moen, ...
Journal of Geophysical Research: Space Physics 119 (4), 3162-3178, 2014
422014
Auroral ion outflow: Low altitude energization
KA Lynch, JL Semeter, M Zettergren, P Kintner, R Arnoldy, E Klatt, ...
Annales Geophysicae 25 (9), 1967-1977, 2007
412007
Latitude and longitude dependence of ionospheric TEC and magnetic perturbations from infrasonic‐acoustic waves generated by strong seismic events
MD Zettergren, JB Snively
Geophysical Research Letters 46 (3), 1132-1140, 2019
322019
Anomalous ISR echoes preceding auroral breakup: Evidence for strong Langmuir turbulence
H Akbari, JL Semeter, H Dahlgren, M Diaz, M Zettergren, A Strømme, ...
Geophysical research letters 39 (3), 2012
282012
Optical estimation of auroral ion upflow: Theory
M Zettergren, J Semeter, PL Blelly, M Diaz
Journal of Geophysical Research: Space Physics 112 (A12), 2007
272007
Dynamics of density cavities generated by frictional heating: Formation, distortion, and instability
MD Zettergren, JL Semeter, H Dahlgren
Geophysical Research Letters 42 (23), 10,120-10,125, 2015
262015
Including sheath effects in the interpretation of planar retarding potential analyzer’s low-energy ion data
LE Fisher, KA Lynch, PA Fernandes, TA Bekkeng, J Moen, M Zettergren, ...
Review of Scientific Instruments 87 (4), 2016
252016
Measuring the seeds of ion outflow: Auroral sounding rocket observations of low‐altitude ion heating and circulation
PA Fernandes, KA Lynch, M Zettergren, DL Hampton, TA Bekkeng, ...
Journal of Geophysical Research: Space Physics 121 (2), 1587-1607, 2016
242016
The optical manifestation of dispersive field‐aligned bursts in auroral breakup arcs
H Dahlgren, JL Semeter, RA Marshall, M Zettergren
Journal of Geophysical Research: Space Physics 118 (7), 4572-4582, 2013
242013
Incoherent scatter radar estimation of F region ionospheric composition during frictional heating events
M Zettergren, J Semeter, C Heinselman, M Diaz
Journal of Geophysical Research: Space Physics 116 (A1), 2011
232011
Dynamic variability in F-region ionospheric composition at auroral arc boundaries
M Zettergren, J Semeter, B Burnett, W Oliver, C Heinselman, PL Blelly, ...
Annales Geophysicae 28 (2), 651-664, 2010
232010
On the production of ionospheric irregularities via Kelvin‐Helmholtz instability associated with cusp flow channels
A Spicher, K Deshpande, Y Jin, K Oksavik, MD Zettergren, LBN Clausen, ...
Journal of Geophysical Research: Space Physics 125 (6), e2019JA027734, 2020
222020
Ion upflow dependence on ionospheric density and solar photoionization
IJ Cohen, MR Lessard, RH Varney, K Oksavik, M Zettergren, KA Lynch
Journal of Geophysical Research: Space Physics 120 (11), 10039-10052, 2015
222015
Composite imaging of auroral forms and convective flows during a substorm cycle
J Semeter, TW Butler, M Zettergren, CJ Heinselman, MJ Nicolls
Journal of Geophysical Research: Space Physics 115 (A8), 2010
222010
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Articles 1–20