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Journal Articles by R. Varney
R. Mesquita,
S. R. Kaeppler,
R. Varney,
A. Reimer,
R. F. Pfaff,
J. Craven,
M. Conde,
I. Azeem, and
P. Dandenault
Quantifying Meridional Advection in the Auroral E-Region For a Range of Geomagnetic Activity Levels
Journal of Geophysical Research: Space Physics, 2025
thermospheric winds
advective acceleration
e-region forcing
auroral forcing
sounding rockets
neutral wind advection
pfisr
URL,
DOI,
BibTex
D. R. Themens,
S. Elvidge,
A. McCaffrey,
P. T. Jayachandran,
A. Coster,
R. H. Varney,
I. Galkin,
L. V. Goodwin,
C. Watson,
S. Maguire,
A. J. Kavanagh,
S.-R. Zhang,
L. Goncharenko,
A. Bhatt,
G. Dorrian,
K. Groves,
A. G. Wood, and
B. Reid
The High Latitude Ionospheric Response to the Major May 2024 Geomagnetic Storm: A Synoptic View
Geophysical Research Letters, 2024
may 2024 geomagnetic storm
ionosphere
gnss
high latitudes
superstorm
polar cap
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DOI,
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N. H. Godbole,
M. R. Lessard,
D. R. Kenward,
B. A. Fritz,
R. H. Varney,
R. G. Michell, and
D. Hampton
Observations of ion upflow and 630.0 nm emission during pulsating aurora
Frontiers in Physics, 2022
pfisr
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DOI,
BibTex
X. Meng,
D. S. Ozturk,
O. P. Verkhoglyadova,
R. H. Varney,
A. S. Reimer,
J. L. Semeter,
S. R. Kaeppler, and
W. Zhan
Energy Deposition by Mesoscale High-Latitude Electric Fields Into the Thermosphere During the 26 October 2019 Geomagnetic Storm
Journal of Geophysical Research: Space Physics, 2022
pfisr
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DOI,
BibTex
Q. Ma,
W. Xu,
E. R. Sanchez,
R. A. Marshall,
J. Bortnik,
P. M. Reyes,
R. H. Varney,
S. R. Kaeppler,
Y. Miyoshi,
A. Matsuoka,
Y. Kasahara,
S. Matsuda,
F. Tsuchiya,
A. Kumamoto,
S. Kasahara,
S. Yokota,
K. Keika,
T. Hori,
T. Mitani,
S. Nakamura,
Y. Kazama,
S.-Y. Wang,
C.-W. Jun,
I. Shinohara, and
S. W.-Y. Tam
Analysis of Electron Precipitation and Ionospheric Density Enhancements Due To Hiss Using Incoherent Scatter Radar and Arase Observations
Journal of Geophysical Research: Space Physics, 2022
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DOI,
BibTex
E. R. Sanchez,
Q. Ma,
W. Xu,
R. A. Marshall,
J. Bortnik,
P. Reyes,
R. Varney, and
S. Kaeppler
A Test of Energetic Particle Precipitation Models Using Simultaneous Incoherent Scatter Radar and Van Allen Probes Observations
Journal of Geophysical Research: Space Physics, 2022
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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
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DOI,
BibTex
L. R. Lyons,
J. Liu,
Y. Nishimura,
C.-P. Wang,
A. S. Reimer,
W. A. Bristow,
D. L. Hampton,
X. Shi,
R. H. Varney, and
E. F. Donovan
Radar Observations of Flows Leading to Longitudinal Expansion of Substorm Onset over Alaska
Journal of Geophysical Research: Space Physics, 2021
pfisr
pfrr
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DOI,
BibTex
M. Fraunberger,
K. A. Lynch,
R. Clayton,
T. M. Roberts,
D. Hysell,
M. Lessard,
A. Reimer, and
R. Varney
Auroral ionospheric plasma flow extraction using subsonic retarding potential analyzers
Review of Scientific Instruments, 2020
pfisr
pfrr
URL,
DOI,
BibTex
Y. Nishimura,
L. R. Lyons,
C. Gabrielse,
N. Sivadas,
E. F. Donovan,
R. H. Varney,
V. Angelopoulos,
J. M. Weygand,
M. G. Conde, and
S. R. Zhang
Extreme Magnetosphere-Ionosphere-Thermosphere Responses to the 5 April 2010 Supersubstorm
Journal of Geophysical Research: Space Physics, 2020
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pfrr
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BibTex
R. Clayton,
K. Lynch,
M. Zettergren,
M. Burleigh,
M. Conde,
G. Grubbs,
D. Hampton,
D. Hysell,
M. Lessard,
R. Michell,
A. Reimer,
T. M. Roberts,
M. Samara, and
R. Varney
Two-Dimensional Maps of In Situ Ionospheric Plasma Flow Data Near Auroral Arcs Using Auroral Imagery
Journal of Geophysical Research: Space Physics, 2019
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DOI,
BibTex
Q. Wu,
D. Knipp,
J. Liu,
W. Wang,
R. Varney,
R. Gillies,
P. Erickson,
M. Greffen,
A. Reimer,
I. Häggström,
G. Jee, and
Y.-S. Kwak
HIWIND Observation of Summer Season Polar Cap Thermospheric Winds
Journal of Geophysical Research: Space Physics, 2019
risrc
URL,
DOI,
BibTex
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
C. C. Triplett,
J. Li,
R. L. Collins,
G. A. Lehmacher,
A. Barjatya,
D. C. Fritts,
B. Strelnikov,
F.-J. Luebken,
B. Thurairajah,
V. L. Harvey,
D. L. Hampton, and
R. H. Varney
Observations of Reduced Turbulence and Wave Activity in the Arctic Middle Atmosphere Following the January 2015 Sudden Stratospheric Warming
Journal of Geophysical Research: Atmospheres, 2018
pfisr
pfrr
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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
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BibTex
S. Mrak,
J. Semeter,
M. Hirsch,
G. Starr,
D. Hampton,
R. H. Varney,
A. S. Reimer,
J. Swoboda,
P. J. Erickson,
F. Lind,
A. J. Coster, and
V. Pankratius
Field-aligned GPS scintillation: Multisensor data fusion
Journal of Geophysical Research: Space Physics, 2018
pfrr
pfisr
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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
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DOI,
BibTex
D. A. Hickey,
C. R. Martinis,
F. S. Rodrigues,
R. H. Varney,
M. A. Milla,
M. J. Nicolls,
A. Strømme, and
J. F. Arratia
Concurrent observations at the magnetic equator of small-scale irregularities and large-scale depletions associated with equatorial spread F
J. Geophys. Res., 2015
amisr
jro-14
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DOI,
BibTex
F. S. Rodrigues.,
M. J. Nicolls,
M. A. Milla,
J. M. Smith,
R. H. Varney,
A. Strømme,
C. Martinis, and
J. F. Arratia
AMISR-14: Observations of equatorial spread F
Geophys. Res. Lett., 2015
amisr
jro-14
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DOI,
BibTex
M. C. Kelley,
M. J. Nicolls,
R. H. Varney,
R. L. Collins,
R. Doe,
J. M. C. Plane,
J. Thayer,
M. Taylor,
B. Thurairajah, and
K. Mizutani
Radar, lidar, and optical observations in the polar summer mesosphere shortly after a space shuttle launch
J. Geophys. Res., 2010
amisr
pfisr
pfrr
sondrestrom
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DOI,
BibTex
M. J. Taylor,
Y. Zhao,
P.-D. Pautet,
M. J. Nicolls,
R. L. Collins,
J. Barker-Tvedtnes,
C. D. Burton,
B. Thurairajah,
J. Reimuller,
R. H. Varney,
C. J. Heinselman, and
K. Mizutani
Coordinated optical and radar image measurements of noctilucent clouds and polar mesospheric summer echoes
J. Atmos. Solar-Terr. Phys., 2009
amisr
pfisr
pfrr
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BibTex
Book Chapters
S. R. Kaeppler,
E. Sanchez,
R. H. Varney,
R. J. Irvin,
R. A. Marshall,
J. Bortnik,
A. S. Reimer, and
P. M. Reyes
Chapter 6 - Incoherent scatter radar observations of 10–100keV precipitation: review and outlook
The Dynamic Loss of Earth's Radiation Belts,
Elsevier,
2020
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