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Hanna Dahlgren
Hanna Dahlgren
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Year
Morphology and dynamics of aurora at fine scale: first results from the ASK instrument
H Dahlgren, N Ivchenko, J Sullivan, BS Lanchester, G Marklund, D Whiter
Annales Geophysicae 26 (5), 1041-1048, 2008
512008
Space‐time variability of polar cap patches: Direct evidence for internal plasma structuring
H Dahlgren, GW Perry, JL Semeter, JP St.‐Maurice, K Hosokawa, ...
Journal of Geophysical Research: Space Physics 117 (A9), 2012
332012
Energy and flux variations across thin auroral arcs
H Dahlgren, B Gustavsson, BS Lanchester, N Ivchenko, U Brändström, ...
Annales Geophysicae 29 (10), 1699-1712, 2011
332011
Using multispectral optical observations to identify the acceleration mechanism responsible for flickering aurora
DK Whiter, BS Lanchester, B Gustavsson, N Ivchenko, H Dahlgren
Journal of Geophysical Research: Space Physics 115 (A12), 2010
312010
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
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
Direct three‐dimensional imaging of polar ionospheric structures with the Resolute Bay Incoherent Scatter Radar
H Dahlgren, JL Semeter, K Hosokawa, MJ Nicolls, TW Butler, ...
Geophysical research letters 39 (5), 2012
262012
First direct optical observations of plasma flows using afterglow of O+ in discrete aurora
H Dahlgren, N Ivchenko, BS Lanchester, M Ashrafi, D Whiter, G Marklund, ...
Journal of atmospheric and solar-terrestrial physics 71 (2), 228-238, 2009
262009
Sounding rocket study of two sequential auroral poleward boundary intensifications
MR Mella, KA Lynch, DL Hampton, H Dahlgren, PM Kintner, M Lessard, ...
Journal of Geophysical Research: Space Physics 116 (A1), 2011
252011
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
Structure and dynamics of the nightside poleward boundary: Sounding rocket and ground‐based observations of auroral electron precipitation in a rayed curtain
KA Lynch, D Hampton, M Mella, B Zhang, H Dahlgren, M Disbrow, ...
Journal of Geophysical Research: Space Physics 117 (A11), 2012
222012
Small‐scale structures in flickering aurora
DK Whiter, BS Lanchester, B Gustavsson, N Ivchenko, JM Sullivan, ...
Geophysical Research Letters 35 (23), 2008
212008
Compound auroral micromorphology: ground-based high-speed imaging
R Kataoka, Y Fukuda, Y Miyoshi, H Miyahara, S Itoya, Y Ebihara, ...
Earth, Planets and Space 67, 1-9, 2015
192015
Spatiotemporally resolved electrodynamic properties of a Sun‐aligned arc over Resolute Bay
GW Perry, H Dahlgren, MJ Nicolls, M Zettergren, JP St.‐Maurice, ...
Journal of Geophysical Research: Space Physics 120 (11), 9977-9987, 2015
182015
Simultaneous observations of small multi-scale structures in an auroral arc
H Dahlgren, A Aikio, K Kaila, N Ivchenko, BS Lanchester, DK Whiter, ...
Journal of atmospheric and solar-terrestrial physics 72 (7-8), 633-637, 2010
182010
Solar flares detected by the new narrowband VLF receiver at SANAE IV
H Dahlgren, T Sundberg, E Koen, AB Collier, S Meyer
South African Journal of Science 107 (9), 1-8, 2011
162011
Electrodynamics and energy characteristics of aurora at high resolution by optical methods
H Dahlgren, BS Lanchester, N Ivchenko, DK Whiter
Journal of Geophysical Research: Space Physics 121 (6), 5966-5974, 2016
152016
High-speed stereoscopy of aurora
R Kataoka, Y Fukuda, HA Uchida, H Yamada, Y Miyoshi, Y Ebihara, ...
Annales Geophysicae 34 (1), 41-44, 2016
152016
Using spectral characteristics to interpret auroral imaging in the 731.9 nm O+ line
H Dahlgren, N Ivchenko, BS Lanchester, J Sullivan, D Whiter, G Marklund, ...
Annales Geophysicae 26 (7), 1905-1917, 2008
142008
Monoenergetic high‐energy electron precipitation in thin auroral filaments
H Dahlgren, N Ivchenko, BS Lanchester
Geophysical research letters 39 (20), 2012
132012
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