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2020
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2004
2025
N. K. Eriksen,
Y. Nishimura,
M. Zettergren,
D. A. Lorentzen,
K. Oksavik,
L. J. Baddeley,
K. Hosokawa,
K. Shiokawa,
L. Lamarche,
M. E. Redden, and
A. Bhatt
Evolution and decay of a stable and a dynamic airglow patch
Journal of Atmospheric and Solar-Terrestrial Physics, 2025
polar cap patches
airglow patches
polar ionosphere
plasma density decay
risrn
risrc
URL,
DOI,
BibTex
2024
2023
L. Schreiter,
C. Stolle,
J. Rauberg,
G. Kervalishvili,
J. van d. Ijssel,
D. Arnold,
C. Xiong, and
A. Callegare
Topside Ionosphere Sounding From the CHAMP, GRACE, and GRACE-FO Missions
Radio Science, 2023
pfisr
risrn
risrc
topside ionosphere
electron density
total electron content
leo satellites
radar calibration
URL,
PDF,
DOI,
BibTex
2022
L. Alfonsi,
N. Bergeot,
P. J. Cilliers,
G. D. Franceschi,
L. Baddeley,
E. Correia,
D. D. Mauro,
C.-F. Enell,
M. Engebretson,
R. Ghoddousi-Fard,
I. Häggström,
Y.-b. Ham,
G. Heygster,
G. Jee,
A. Kero,
M. Kosch,
H.-J. Kwon,
C. Lee,
S. Lotz,
L. Macotela,
M. F. Marcucci,
W. J. Miloch,
Y. J. Morton,
T. Naoi,
M. Negusini,
N. Partamies,
B. H. Petkov,
E. Pottiaux,
P. Prikryl,
P. R. Shreedevi,
R. Slapak,
L. Spogli,
J. Stephenson,
A. M. Triana-Gómez,
O. A. Troshichev,
R. V. Malderen,
J. M. Weygand, and
S. Zou
Review of Environmental Monitoring by Means of Radio Waves in the Polar Regions: From Atmosphere to Geospace
Surveys in Geophysics, 2022
pfisr
risrn
risrc
URL,
PDF,
DOI,
BibTex
Y. Wang,
D. R. Themens,
C. Wang,
Y.-Z. Ma,
A. Reimer,
R. Varney,
R. Gilies,
Z.-Y. Xing,
Q.-H. Zhang, and
P. T. Jayachandran
Simultaneous Observations of a Polar Cap Sporadic-E Layer by Twin Incoherent Scatter Radars at Resolute
Journal of Geophysical Research: Space Physics, 2022
risrn
risrc
URL,
DOI,
BibTex
2021
2020
M. Negale,
J. Holmes,
R. Parris,
D. Ober,
E. Dao,
R. Kelly,
J. V. Eccles,
J. Hines, and
T. Pedersen
Using Data Assimilation to Reconstruct High-Latitude Polar Cap Patches
Radio Science, 2020
risrn
URL,
DOI,
BibTex
2019
2018
R. G. Gillies,
G. W. Perry,
A. V. Koustov,
R. H. Varney,
A. S. Reimer,
E. Spanswick,
J.-P. St.-Maurice, and
E. Donovan
Large-scale comparison of polar cap ionospheric velocities measured by RISR-C, RISR-N, and SuperDARN
Journal of Geophysical Research: Radio Science, 2018
risrn
risrc
DOI,
BibTex
D. R. Themens,
P. T. Jayachandran,
D. Bilitza,
P. J. Erickson,
I. Haggstrom,
M. V. Lyashenko,
B. Reid,
R. H. Varney, and
L. Pustovalova
Topside electron density representations for middle and high latitudes: A topside parameterization for E-CHAIM based on the NeQuick
Journal of Geophysical Research: Space Physics, 2018
pfisr
risrn
DOI,
BibTex
2017
2016
C. R. Clauer,
Z. Xu,
M. Maimaiti,
J. M. Ruohoniemi,
W. Scales,
M. D. Hartinger,
M. J. Nicolls,
S. Kaeppler,
F. D. Wilder, and
R. E. Lopez
Investigation of a rare event where the polar ionospheric reverse convection potential does not saturate during a period of extreme northward IMF solar wind driving
J. Geophys. Res. Space Physics, 2016
risrn
URL,
PDF,
DOI,
BibTex
R. G. Gillies,
A. van Eyken,
E. Spanswick,
M. Nicolls,
J. Kelly,
M. Greffen,
D. Knudsen,
M. Connors,
M. Schutzer,
T. Valentic,
M. Malone,
J. Buonocore,
J.-P. St.-Maurice, and
E. Donovan
First observations from the RISR-C incoherent scatter radar
Radio Science, 2016
rbo
risrn
URL,
DOI,
BibTex
Y. Shen,
D. J. Knudsen,
J. K. Burchill,
A. Howarth,
A. Yau,
R. J. Redmon,
D. M. Miles,
R. H. Varney, and
M. J. Nicolls
Strong ambipolar-driven ion upflow within the cleft ion fountain during low geomagnetic activity
J. Geophys. Res. Space Physics, 2016
risrn
URL,
DOI,
BibTex
2015
L. R. Lyons,
Y. Nishimura,
B. Gallardo-Lacourt,
Y. Zou,
E. F. Donovan,
S. Mende,
V. Angelopoulos,
J. M. Ruohoniemi,
K. A. McWilliams,
D. L. Hampton, and
M. J. Nicolls
Dynamics Related to Plasmasheet Flow Bursts as Revealed from the Aurora
Auroral Dynamics and Space Weather (eds. Y. Zhang and L. J. Paxton),
John Wiley & Sons,
2015
pfisr
risrn
pfrr
rbo
DOI,
BibTex
G. W. Perry,
H. Dahlgren,
M. J. Nicolls,
M. Zettergren,
J.-P. St.-Maurice,
J. L. Semeter,
T. Sundberg,
K. Hosokawa,
K. Shiokawa, and
S. Chen
Spatiotemporally resolved electrodynamic properties of a Sun-aligned arc over Resolute Bay
J. Geophys. Res., 2015
amisr
risrn
rbo
PDF,
DOI,
BibTex
2014
H. Dahlgren,
G. Perry,
J.-P. St.-Maurice,
T. Sundberg,
K. Hosokawa,
J. L. Semeter,
M. J. Nicolls, and
K. Shiokawa
3D imaging reveals electrodynamics of polar cap aurora
Astronomy & Geophysics, 2014
amisr
risrn
rbo
PDF,
DOI,
BibTex
2013
2012
H. Dahlgren,
G. W. Perry,
J. L. Semeter,
J.-P. St.-Maurice,
K. Hosokawa,
M. J. Nicolls,
M. Greffen,
K. Shiokawa, and
C. Heinselman
Space-time variability of polar cap patches: Direct evidence for internal plasma structuring
J. Geophys. Res., 2012
amisr
risrn
PDF,
DOI,
BibTex
H. Dahlgren,
J. L. Semeter,
K. Hosokawa,
M. J. Nicolls,
T. W. Butler,
M. G. Johnsen,
K. Shiokawa, and
C. Heinselman
Direct three-dimensional imaging of polar ionospheric structures with the Resolute Bay Incoherent Scatter Radar
Geophys. Res. Lett., 2012
amisr
risrn
rbo
PDF,
DOI,
BibTex
2011
L. R. Lyons,
Y. Nishimura,
H.-J. Kim,
E. Donovan,
V. Angelopoulos,
G. Sofko,
M. Nicolls,
C. Heinselman,
J. M. Ruohoniemi, and
N. Nishitani
Possible connection of polar cap flows to pre- and post-substorm onset PBIs and streamers
J. Geophys. Res., 2011
amisr
risrn
PDF,
DOI,
BibTex
2010
2009