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2024

A. English, D. J. Stuart, D. L. Hampton, and S. Datta-Barua
Automated Nighttime Cloud Detection Using Keograms When Aurora Is Present
Earth and Space Science, 2024
pfrr optics
URL, DOI, BibTex

2023

G. E. Bower
Statistical analysis of northward IMF phenomena, transpolar arcs and horse collar aurora
2023
rbo
URL, DOI, BibTex
G. E. Bower, S. E. Milan, L. J. Paxton, E. Spanswick, and M. R. Hairston
Formation and Motion of Horse Collar Aurora Events
Journal of Geophysical Research: Space Physics, 2023
northward imf aurora rbo
PDF, DOI, BibTex
H. Cai, C. Xue, J. Houssineau, M. Jah, and J. Zhang
Possibilistic space object tracking under epistemic uncertainty
Advances in Space Research, 2023
pfisr space object tracking epistemic uncertainty leo labs tle
URL, DOI, BibTex
Z. Chen, T. Xie, H. Li, Z. Ouyang, and X. Deng
The global variation of low ionosphere under action of energetic electron precipitation
Journal of Geophysical Research: Space Physics, 2023
pfisr
DOI, BibTex
H. Fast
Study of the electron density in the high latitude ionosphere with incoherent scatter radars and Swarm satellites
2023
pfisr risrc
URL, PDF, BibTex
H. Fast, A. Koustov, and R. Gillies
Validation of Swarm Langmuir Probes by Incoherent Scatter Radars at High Latitudes
Remote Sensing, 2023
pfisr risrc swarm satellites electron density topside ionosphere polar cap auroral zone
URL, PDF, DOI, BibTex
R. Itani
Dynamics of the Earth's Thermosphere Across a Range of Spatial and Temporal Scales
ProQuest Dissertations and Theses, 2023
pfrr cross-polar jet gravity waves space weather earth's thermosphere thermospheric cooling physics aeronomy geophysics astrophysics 0367:aeronomy 0605:physics 0596:astrophysics 0373:geophysics
URL, BibTex
S. Kaeppler, D. G. Markowski, A. M. Pepper, R. Troyer, A. N. Jaynes, R. H. Varney, and D. Hampton
Data-driven empirical conductance relations during auroral precipitation using incoherent scatter radar and all sky imagers
Journal of Geophysical Research: Space Physics, 2023
aurora conductance conductivity precipitation pfisr
DOI, BibTex
B. Larson, A. Koustov, D. Themens, and R. Gillies
Ionospheric electron density over Resolute Bay according to E-CHAIM model and RISR radar measurements
Advances in Space Research, 2023
risrn risrc rbo e-chaim model incoherent scatter radars electron density polar cap modeling instruments techniques ionospheric physics
URL, PDF, DOI, BibTex
L. Liu and Y. J. Morton
Assessment of storm-time ionospheric electron density measurements from Spire Global CubeSat GNSS radio occultation constellation
GPS Solutions, 2023
pfisr gnss radio occultation
URL, DOI, BibTex
X. Lu, H. Wu, S. Kaeppler, J. Meriwether, Y. Nishimura, W. Wang, J. Li, and X. Shi
Understanding Strong Neutral Vertical Winds and Ionospheric Responses to the 2015 St. Patrick's Day Storm Using TIEGCM Driven by Data-Assimilated Aurora and Electric Fields
Space Weather, 2023
space weather modeling data assimilation aurora electric fields tiegcm pfisr superdarn themis asis
URL, PDF, DOI, BibTex
L. R. Lyons, Y. Nishimura, J. Liu, Y. Zou, W. A. Bristow, S. Yadav, E. Donovan, N. Nishitani, K. Shiokawa, and K. Hosokawa
Unsolved problems: Mesoscale polar cap flow channels' structure, propagation, and effects on space weather disturbances
Frontiers in Astronomy and Space Sciences, 2023
rbo imagers
URL, PDF, DOI, BibTex
D. J. Madera, R. A. Marshall, S. Elschot, S. Kaeppler, P. Reyes, R. H. Varney, and A. B. Crew
Time-Dependent Inversion of Energetic Electron Precipitation Spectra From Ground-Based Incoherent Scatter Radar Measurements
Journal of Geophysical Research: Space Physics, 2023
pfisr d-region
URL, DOI, BibTex
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
M. Shammat
Multi-Instrument Study of Peak Plasma Density in the Ionosphere
ProQuest Dissertations and Theses, 2023
pfisr digisonde electron density profiles incoherent scatter radar ion composition ionosphere topside ionosphere engineering geophysics atomic physics 0467:geophysical engineering 0537:engineering 0748:atomic physics 0373:geophysics
URL, BibTex
X. Tian, Y. Yu, F. Gong, L. Ma, J. Cao, S. C. Solomon, P. R. Shreedevi, K. Shiokawa, Y. Otsuka, S.-i. Oyama, and Y. Miyoshi
Ionospheric Modulation by EMIC Wave-Driven Proton Precipitation: Observations and Simulations
Journal of Geophysical Research: Space Physics, 2023
pfisr
URL, DOI, BibTex
R. Troyer
The Implications and Characteristics of Diffuse-Like but Dynamic Aurora
ProQuest Dissertations and Theses, 2023
pfisr chorus waves diffuse aurora pulsating aurora electron density aeronomy plasma physics physics 0367:aeronomy 0605:physics 0759:plasma physics
URL, BibTex
P. R. Vaggu, K. B. Deshpande, S. Datta-Barua, G. S. Bust, D. L. Hampton, A. L. Rubio, and J. P. Conroy
Morphological and Spectral Features of Ionospheric Structures at E- and F-Region Altitudes over Poker Flat Analyzed Using Modeling and Observations
Sensors, 2023
pfisr pfrr
URL, PDF, DOI, BibTex
C. Wang, W.-L. Guo, Q.-H. Zhang, H.-S. Zhao, and L. Cao
3-D Computerized Ionospheric Tomography with GPS, SAR, and Ionosonde
IEEE Transactions on Geoscience and Remote Sensing, 2023
pfisr gps ionospheric tomography spaceborne radar
DOI, BibTex
H. Wu
Studies of the Ionosphere-Thermosphere Responses to Multi-Scale Energy Deposition Processes
2023
pfisr gravity wave tid tiegcm
URL, PDF, BibTex

2022

H. Akbari, R. Pfaff, J. Clemmons, H. Freudenreich, D. Rowland, and A. Streltsov
Resonant Alfvén Waves in the Lower Auroral Ionosphere: Evidence for the Nonlinear Evolution of the Ionospheric Feedback Instability
Journal of Geophysical Research: Space Physics, 2022
auroral ionosphere alfvén waves ionospheric alfvén resonator ionospheric feedback instability plasma instabilities pfisr pfrr
URL, DOI, BibTex
R. M. Albarran
Kinetic Modeling of Ionospheric Outflows Observed by the VISIONS-1 Sounding Rocket
2022
pfisr ion outflow dissertation
URL, PDF, BibTex
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
A.-M. Bals, C. Thakrar, and K. B. Deshpande
Creating a Database to Identify High-Latitude Scintillation Signatures With Unsupervised Machine Learning
IEEE Journal of Radio Frequency Identification, 2022
pfisr machine learning scintillation
DOI, BibTex
K. Bossert, L. J. Paxton, T. Matsuo, L. Goncharenko, K. Kumari, and M. Conde
Large-Scale Traveling Atmospheric and Ionospheric Disturbances Observed in GUVI With Multi-Instrument Validations
Geophysical Research Letters, 2022
pfisr pfrr
URL, PDF, DOI, BibTex
M. Burleigh, K. Lynch, M. Zettergren, and R. Clayton
Spatiotemporal Limitations of Data-Driven Modeling: An ISINGLASS Case Study
Journal of Geophysical Research: Space Physics, 2022
ionospheric modeling data-driven modeling isinglass rocket spatiotemporal limitations pfisr
URL, DOI, BibTex
T. Colby
Multifrequency Scintillation in the Polar Caps
2022
risrn mastersthesis
URL, PDF, BibTex
B. R. English
Improvement and Validation of Multiyear Auroral Analysis to Categorize Scintillation Event Layer
2022
pfisr mastersthesis
BibTex
N. A. Frissell, S. R. Kaeppler, D. F. Sanchez, G. W. Perry, W. D. Engelke, P. J. Erickson, A. J. Coster, J. M. Ruohoniemi, J. B. H. Baker, and M. L. West
First Observations of Large Scale Traveling Ionospheric Disturbances Using Automated Amateur Radio Receiving Networks
Geophysical Research Letters, 2022
lstid traveling ionospheric disturbance midlatitude ionosphere amateur radio superdarn gnss tec pfisr
URL, PDF, DOI, BibTex
C. Gabrielse, S. R. Kaeppler, G. Lu, C.-P. Wang, and Y. Yu
Chapter 4 - Energetic particle dynamics, precipitation, and conductivity
Cross-Scale Coupling and Energy Transfer in the Magnetosphere-Ionosphere-Thermosphere System, Elsevier, 2022
particle precipitation conductivity conductance convection pfisr
URL, DOI, BibTex
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
URL, PDF, DOI, BibTex
L. V. Goodwin and G. W. Perry
Resolving the High-Latitude Ionospheric Irregularity Spectra Using Multi-Point Incoherent Scatter Radar Measurements
Radio Science, 2022
pfisr risrn risrc
URL, DOI, BibTex
T. Hedges, N. Lee, and S. Elschot
Meteor Head Echo Analyses From Concurrent Radar Observations at AMISR Resolute Bay, Jicamarca, and Millstone Hill
Journal of Geophysical Research: Space Physics, 2022
meteor meteoroid deceleration thermosphere radar risrn jro mho
URL, DOI, BibTex
E. Hudson, J. LaBelle, A. Reimer, and H. Akbari
A Statistical Study of Auroral Medium Frequency Bursts and Anomalous Incoherent Scatter Radar Echoes
Radio Science, 2022
pfisr
URL, DOI, BibTex
G. V. Khazanov, C. Gabrielse, A. Glocer, M. Chu, Y. Nishimura, and P. Reyes
A 2D Kaleidoscope of Electron Heat Fluxes Driven by Auroral Electron Precipitation
Geophysical Research Letters, 2022
pfisr
URL, PDF, DOI, BibTex
L. J. Lamarche, K. B. Deshpande, and M. D. Zettergren
Observations and modeling of scintillation in the vicinity of a polar cap patch
J. Space Weather Space Clim., 2022
risrn risrc
URL, PDF, DOI, BibTex
L. R. Lyons, B. Gallardo-Lacourt, and Y. Nishimura
Chapter 2 - Auroral structures: Revealing the importance of meso-scale M-I coupling
Cross-Scale Coupling and Energy Transfer in the Magnetosphere-Ionosphere-Thermosphere System, Elsevier, 2022
aurora flow channels mesoscale convection polar cap plasma sheet pmafs auroral streamers substorms steve pfisr
URL, 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
pfisr
URL, 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
URL, DOI, BibTex
B. Park, C. Lim, J. Wang, and Y. T. J. Morton
Horizontal Drift Velocity and Dimensions of Ionospheric Irregularities Using ROT From a GNSS Receiver Array
IEEE Transactions on Geoscience and Remote Sensing, 2022
pfisr gnss
DOI, BibTex
J. Ren
Characteristics and Generation Mechanism of Polar Cap Patch: Multi-instrument Observations
2022
pfisr risrn risrc dissertation
URL, PDF, 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
pfisr
URL, PDF, DOI, BibTex
Z. Wang and S. Zou
COMPASS: A New COnductance Model Based on PFISR And SWARM Satellite Observations
Space Weather, 2022
pfisr
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
H. Wu and X. Lu
Data Assimilation of High-Latitude Electric Fields: Extension of a Multi-Resolution Gaussian Process Model (Lattice Kriging) to Vector Fields
Space Weather, 2022
data assimilation multi-resolution electric fields gaussian process model superdarn pfisr
URL, PDF, DOI, BibTex
Y. Yu, J. Cao, Z. Pu, V. K. Jordanova, and A. Ridley
Meso-Scale Electrodynamic Coupling of the Earth Magnetosphere-Ionosphere System
Space Science Reviews, 2022
pfisr
URL, PDF, DOI, BibTex
W. Zhu, J. Chen, Q. Sun, Z. Li, W. Tan, and Y. Wei
Reconstructing of High-Spatial-Resolution Three-Dimensional Electron Density by Ingesting SAR-Derived VTEC Into IRI Model
IEEE Geoscience and Remote Sensing Letters, 2022
pfisr
URL, DOI, BibTex

2021

E. Aa, S.-R. Zhang, P. J. Erickson, A. J. Coster, L. P. Goncharenko, R. H. Varney, and R. Eastes
Salient Midlatitude Ionosphere-Thermosphere Disturbances Associated With SAPS During a Minor but Geo-Effective Storm at Deep Solar Minimum
Journal of Geophysical Research: Space Physics, 2021
pfisr
URL, DOI, BibTex
L. J. Lamarche, R. H. Varney, and A. S. Reimer
Ion Heating in the Polar Cap Under Northwards IMF Bz
Journal of Geophysical Research: Space Physics, 2021
risrn
URL, 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
URL, DOI, BibTex
Y.-Z. Ma, Q.-H. Zhang, L. R. Lyons, J. Liu, Z.-Y. Xing, A. Reimer, Y. Nishimura, and D. Hampton
Is Westward Travelling Surge Driven by the Polar Cap Flow Channels?
Journal of Geophysical Research: Space Physics, 2021
pfisr pfrr
URL, DOI, BibTex
R. A. Makarevich, G. Crowley, I. Azeem, C. Ngwira, and V. V. Forsythe
Auroral E-Region as a Source Region for Ionospheric Scintillation
Journal of Geophysical Research: Space Physics, 2021
pfisr
URL, DOI, BibTex
R. L. Mesquita
An observational investigation of mid-latitude thermospheric temperatures and high-latitude E-region neutral wind structures
2021
pfisr dissertation
URL, PDF, BibTex
J.-P. St-Maurice and L. Goodwin
Revisiting the Behavior of the E-Region Electron Temperature During Strong Electric Field Events at High Latitudes
Journal of Geophysical Research: Space Physics, 2021
risrn
URL, DOI, BibTex
Y. Wang, P. T. Jayachandran, D. R. Themens, A. M. McCaffrey, Q.-H. Zhang, S. David, and R. Chadwick
A Case Study of Polar Cap Sporadic-E Layer Associated with TEC Variations
Remote Sensing, 2021
risrn polar cap sporadic e-layer rbo tec variations scintillation
URL, DOI, BibTex
W. Zhan, S. R. Kaeppler, M. F. Larsen, A. Reimer, and R. Varney
An Investigation of Auroral E Region Energy Exchange Using Poker Flat Incoherent Scatter Radar Observations During Fall Equinox Conditions
Journal of Geophysical Research: Space Physics, 2021
pfisr
URL, DOI, BibTex
Y. Zou, L. Lyons, M. Conde, R. Varney, V. Angelopoulos, and S. Mende
Effects of Substorms on High-Latitude Upper Thermospheric Winds
Journal of Geophysical Research: Space Physics, 2021
pfisr pfrr
URL, DOI, BibTex
S. Zou, J. Ren, Z. Wang, H. Sun, and Y. Chen
Impact of Storm-Enhanced Density (SED) on Ion Upflow Fluxes During Geomagnetic Storm
Frontiers in Astronomy and Space Sciences, 2021
pfisr
URL, PDF, DOI, BibTex

2020

A. C. Burnett and J. LaBelle
Estimating Polar Cap Density and Medium-Frequency Burst Source Heights Using 2fce Roar Radio Emissions
Journal of Geophysical Research: Space Physics, 2020
sondre
URL, DOI, BibTex
A. D. Danilov and A. V. Konstantinova
Long-Term Variations in the Parameters of the Middle and Upper Atmosphere and Ionosphere (Review)
Geomagnetism and Aeronomy, 2020
pfisr sondre
DOI, BibTex
S. Datta-Barua, Y. Su, A. L. Rubio, and G. S. Bust
Ionospheric Irregularity Layer Height and Thickness Estimation With a GNSS Receiver Array
IEEE Transactions on Geoscience and Remote Sensing, 2020
pfrr
DOI, BibTex
V. V. Forsythe, I. Azeem, G. Crowley, and D. R. Themens
Ionospheric Vertical Correlation Distances: Estimation From ISR Data, Analysis and Implications For Ionospheric Data Assimilation
Radio Science, 2020
pfisr risrn
URL, 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
K. Hosokawa, A. Kullen, S. Milan, J. Reidy, Y. Zou, H. U. Frey, R. Maggiolo, and R. Fear
Aurora in the Polar Cap: A Review
Space Science Review, 2020
risrn rbo
DOI, BibTex
A. Hu, B. Carter, J. Currie, R. Norman, S. Wu, and K. Zhang
A Deep Neural Network Model of Global Topside Electron Temperature Using Incoherent Scatter Radars and Its Application to GNSS Radio Occultation
Journal of Geophysical Research: Space Physics, 2020
pfisr
URL, DOI, BibTex
C. Jin, J. J. Hyun, C. Eun-Jung, Y. Jiwoong, C. Byung-Kyu, K. Myung-Jin, Y. Hong-Suh, R. Dong-Goo, K. Sooyoung, P. Jang-Hyun, and C. Sungki
Space Surveillance Radar Observation Analysis: One-Year Tracking and Orbit Determination Results of KITSAT-1, "우리별 1호
Journal of Astronomy and Space Sciences, 2020
leolabs
BibTex
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
pfisr
URL, DOI, BibTex
Kenward and David
The Impact of Fine Scale Drivers on Upwelling Processes
University of New Hampshire, Durham, 2020
pfisr pfrr
URL, BibTex
A. V. Koustov, M. R. Luciuk, R. G. Gillies, S. Ullrich, B. Larson, K. A. McWilliams, and M. T. Schmidt
Velocity of SuperDARN Echoes at Intermediate Radar Ranges
Radio Science, 2020
risrc
URL, DOI, BibTex
A. V. Koustov, S. Ullrich, P. V. Ponomarenko, R. G. Gillies, D. R. Themens, and N. Nishitani
Comparison of SuperDARN peak electron density estimates based on elevation angle measurements to ionosonde and incoherent scatter radar measurements
Earth, Planets and Space, 2020
risrc
DOI, BibTex
L. J. Lamarche, R. H. Varney, and C. L. Siefring
Analysis of Plasma Irregularities on a Range of Scintillation-Scales Using the Resolute Bay Incoherent Scatter Radars
Journal of Geophysical Research: Space Physics, 2020
risrn rbo
URL, DOI, BibTex
L. J. Lamarche, R. H. Varney, and C. L. Siefring
Analysis of Plasma Irregularities on a Range of Scintillation-Scales Using the Resolute Bay Incoherent Scatter Radars
Journal of Geophysical Research: Space Physics, 2020
risrn risrc rbo
URL, DOI, BibTex
J. Li, T. Li, Q. Wu, Y. Tang, Z. Wu, and J. Cui
Characteristics of Small-Scale Gravity Waves in the Arctic Winter Mesosphere
Journal of Geophysical Research: Space Physics, 2020
rbo
URL, DOI, BibTex
L. R. Lyons and Y. Nishimura
Substorm onset and development: The crucial role of flow channels
Journal of Atmospheric and Solar-Terrestrial Physics, 2020
pfisr pfrr
URL, DOI, BibTex
M. Maimaiti
Driving Influences of Ionospheric Electrodynamics at Mid- and High-Latitudes
VTechWorks, 2020
risrn
URL, BibTex
R. Michell and E. Mirizio
The statistics of small-mass meteors observed simultaneously with optical imaging and the Poker Flat Incoherent Scatter Radar
Planetary and Space Science, 2020
pfisr
URL, DOI, BibTex
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
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
pfisr pfrr
URL, DOI, BibTex
D. S. Ozturk, X. Meng, O. P. Verkhoglyadova, R. H. Varney, A. S. Reimer, and J. L. Semeter
A New Framework to Incorporate High-Latitude Input for Mesoscale Electrodynamics
Journal of Geophysical Research: Space Physics, 2020
pfisr
URL, DOI, BibTex
J. Ren, S. Zou, E. Kendall, A. Coster, K. Sterne, and M. Ruohoniemi
Direct Observations of a Polar Cap Patch Formation Associated With Dayside Reconnection Driven Fast Flow
Journal of Geophysical Research: Space Physics, 2020
sondre
URL, DOI, BibTex
J. Ren, S. Zou, J. Lu, N. Giertych, Y. Chen, R. H. Varney, and A. S. Reimer
Statistical Study of Ion Upflow and Downflow Observed by PFISR
Journal of Geophysical Research: Space Physics, 2020
pfisr
URL, DOI, BibTex
R. M. Robinson, S. R. Kaeppler, L. Zanetti, B. Anderson, S. K. Vines, H. Korth, and A. Fitzmaurice
Statistical Relations Between Auroral Electrical Conductances and Field-Aligned Currents at High Latitudes
Journal of Geophysical Research: Space Physics, 2020
pfisr
URL, DOI, BibTex
J. Semeter
Chapter 15 - High-resolution approaches to ionospheric exploration
The Dynamical Ionosphere, Elsevier, 2020
pfisr pfrr
URL, DOI, BibTex
Sivadas and Nithin
Remote sensing of energetic electron precipitation
OpenBU, 2020
pfisr pfrr
URL, BibTex
V. Sreenivash, Y. Su, and S. Datta-Barua
Automated Ionospheric Scattering Layer Hypothesis Generation for Detected and Classified Auroral Global Positioning System Scintillation Events
Radio Science, 2020
pfisr pfrr
URL, DOI, BibTex
J.-P. St-Maurice and L. Goodwin
Revisiting the behavior of the E-region electron temperature during strong electric field events at high latitudes.
Journal of Geophysical Research: Space Physics, 2020
risrn
URL, DOI, BibTex
D. J. Stuart
Multiyear Automated Analysis of Auroral Images to Categorize Ionosphere Irregularity Layer
Illinois Institute of Technology, 2020
pfisr pfrr
URL, BibTex
C. Tape, A. T. Ringler, and D. L. Hampton
Recording the Aurora at Seismometers across Alaska
Seismological Research Letters, 2020
pfrr
DOI, BibTex
B. Wang, Y. Nishimura, M. Hartinger, N. Sivadas, L. L. Lyons, R. H. Varney, and V. Angelopoulos
Ionospheric Modulation by Storm Time Pc5 ULF Pulsations and the Structure Detected by PFISR-THEMIS Conjunction
Geophysical Research Letters, 2020
pfisr
URL, DOI, BibTex
Z. Yang, B. Zhang, J. Lei, and T. Dang
Nonlinear Response of the Cross Polar Cap Potential to Solar Wind Density Under Northward Interplanetary Magnetic Field
Geophysical Research Letters, 2020
risrn
URL, DOI, BibTex
W. Zhu, J.-Y. Chen, Q. Zhang, and J.-M. Zhang
Mapping of High-Spatial-Resolution Three-Dimensional Electron Density by Combing of Full-Polarimetric SAR and IRI Model
Frontiers in Earth Science, 2020
pfisr
URL, DOI, BibTex

2019

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
pfisr
URL, DOI, BibTex
M. S. Dhadly, J. T. Emmert, D. P. Drob, M. G. Conde, A. Aruliah, E. Doornbos, G. G. Shepherd, Q. Wu, J. J. Makela, R. J. Niciejewski, C. Lee, G. Jee, and A. J. Ridley
HL-TWiM Empirical Model of High-Latitude Upper Thermospheric Winds
Journal of Geophysical Research: Space Physics, 2019
rbo
URL, DOI, BibTex
L. V. Goodwin, Y. Nishimura, Y. Zou, K. Shiokawa, and P. T. Jayachandran
Mesoscale Convection Structures Associated With Airglow Patches Characterized Using Cluster-Imager Conjunctions
Journal of Geophysical Research: Space Physics, 2019
rbo
URL, DOI, BibTex
K. Hosokawa, Y. Zou, and Y. Nishimura
Airglow Patches in the Polar Cap Region: A Review
Space Science Reviews, 2019
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URL, DOI, BibTex
A. Hu, B. Carter, J. Currie, R. Norman, S. Wu, X. Wang, and K. Zhang
Modeling of Topside Ionospheric Vertical Scale Height Based on Ionospheric Radio Occultation Measurements
Journal of Geophysical Research: Space Physics, 2019
pfisr
URL, DOI, BibTex
A. Kiene, W. A. Bristow, M. G. Conde, and D. L. Hampton
High‐resolution local measurements of F region ion temperatures and Joule heating rates using SuperDARN and ground‐based optics
Journal of Geophysical Research: Space Physics, 2019
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DOI, BibTex
T. Kodikara, B. Carter, R. Norman, and K. Zhang
Density-Temperature Synchrony in the Hydrostatic Thermosphere
Journal of Geophysical Research: Space Physics, 2019
risrn
URL, DOI, BibTex
J. Kong, F. Li, Y. Yao, Z. Wang, W. Peng, and Q. Zhang
Reconstruction of 2D/3D ionospheric disturbances in high-latitude and arctic regions during a geomagnetic storm using GNSS carrier TEC: a case study of the 2015 great storm
Journal of Geodesy, 2019
pfisr
URL, DOI, BibTex
M. M. Lam, M. P. Freeman, C. M. Jackman, I. J. Rae, N. M. E. Kalmoni, J. K. Sandhu, and C. Forsyth
How Well Can We Estimate Pedersen Conductance From the THEMIS White-Light All-Sky Cameras?
Journal of Geophysical Research: Space Physics, 2019
pfisr
URL, DOI, BibTex
J. Li
Lidar and radar studies of turbulence, instabilities, and waves in the Arctic middle atmosphere
PhD Thesis, 2019
pfisr pfrr
URL, BibTex
N. Sivadas, J. Semeter, Y. Nishimura, and S. Mrak
Optical Signatures of the Outer Radiation Belt Boundary
Geophysical Research Letters, 2019
pfisr pfrr
URL, DOI, BibTex
D. R. Themens, P. Jayachandran, A. M. McCaffrey, B. Reid, and R. H. Varney
A Bottomside Parameterization for the Empirical Canadian High Arctic Ionospheric Model
Radio Science, 2019
pfisr risrn
URL, DOI, BibTex
J. Wang and Y. J. Morton
A Hybrid Correlation Model for the Spaced-Receiver Technique
Radio Science, 2019
pfrr pfisr
URL, 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

2018

M. G. Conde, W. A. Bristow, D. L. Hampton, and J. Elliott
Multiinstrument studies of thermospheric weather above Alaska
Journal of Geophysical Research: Space Physics, 2018
pfisr pfrr
DOI, BibTex
V. V. Forsythe and R. A. Makarevich
Statistical analysis of the electron density gradients in the polar cap F region using the Resolute Bay Incoherent Scatter Radar North
Journal of Geophysical Research: Space Physics, 2018
risrn
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
G. I. I. Grubbs, R. Michell, M. Samara, D. Hampton, J. Hecht, and J.-M. Jahn
A comparative study of spectral auroral intensity predictions from multiple electron transport models
J. of Geophys. Res.: Space Physics, 2018
pfrr
DOI, BibTex
J. H. Hecht, J. H. Clemmons, M. G. Conde, D. L. Hampton, R. G. Michell, D. Rowland, R. F. Pfaff, , and R. L. Walterscheid
Observations of spatial variations in O/N2 during an auroral substorm using the multichannel downlooking camera on the VISIONS rocket
Journal of Geophysical Research: Space Physics, 2018
pfrr
DOI, BibTex
A. Kiene, W. A. Bristow, M. G. Conde, and D. L. Hampton
Measurements of ion‐neutral coupling in the auroral F region in response to increases in particle precipitation
Journal of Geophysical Research: Space Physics, 2018
pfisr pfrr
DOI, BibTex
J. S. Kim, K. Papathanassiou, F. Meyer, and D. Hampton
Monitoring of Auroral Activities over Fairbanks, Alaska, using SAR, PFISR and Keograms
IGARSS 2018 - 2018 IEEE International Geoscience and Remote Sensing Symposium, Valencia, 2018
pfisr
DOI, BibTex
A. Koustov, R. Gillies, and P. Bankole
Validation of Clyde River SuperDARN radar velocity measurements with the RISR-C incoherent scatter radar
Ann. Geophys., 2018
risrc
DOI, BibTex
A. V. Koustov, P. V. Ponomarenko, C. J. Graf, R. G. Gillies, and D. R. Themens
Optimal F region electron density for the PolarDARN radar echo detection near the Resolute Bay zenith
Journal of Geophysical Research: Radio Science, 2018
risrn
DOI, BibTex
J. Liang, E. Donovan, A. Reimer, D. Hampton, S. Zou, and R. Varney
Ionospheric electron heating associated with pulsating auroras: Joint optical and PFISR observations
Journal of Geophysical Research: Space Physics, 2018
pfisr pfrr
URL, DOI, 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
DOI, BibTex
M. R. Negale, M. J. Taylor, M. J. Nicolls, S. L. Vadas, K. Nielsen, and C. J. Heinselman
Seasonal propagation characteristics of MSTIDs observed at high latitudes over Central Alaska using the Poker Flat Incoherent Scatter Radar
Journal of Geophysical Research: Space Physics, 2018
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DOI, BibTex
M. Negale
Investigating the Climatology of Mesospheric and Thermospheric Gravity Waves at High Northern Latitudes
PhD Thesis, 2018
pfisr pfrr
URL, BibTex
D. S. Ozturk, S. Zou, A. J. Ridley, and J. A. Slavin
Modeling study of the geospace system response to the solar wind dynamic pressure enhancement on 17 March 2015
Journal of Geophysical Research: Space Physics, 2018
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DOI, BibTex
G. W. Perry and J.-P. St.-Maurice
A Polar-Cap Patch Detection Algorithm for the Advanced Modular Incoherent Scatter Radar System
Radio Science, 2018
polar-cap patches amisr ionosphere incoherent scatter radar risrn
URL, DOI, BibTex
G. W. Perry and J.-P. St.-Maurice
A polar‐cap patch detection algorithm for the Advanced Modular Incoherent Scatter Radar System
Journal of Geophysical Research: Radio Science, 2018
risrn
DOI, BibTex
J. Ren, S. Zou, R. G. Gillies, E. Donovan, and R. H. Varney
Statistical characteristics of polar cap patches observed by RISR‐C
Journal of Geophysical Research: Space Physics, 2018
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DOI, BibTex
V. Sreenivash
Identifying E and F layer Ionospheric Irregularities with a Scintillation Auroral GPS Array
Master's Thesis, 2018
pfisr pfrr mastersthesis
BibTex
D. R. Themens, P. Jayachandran, and R. H. Varney
Examining the use of the NeQuick bottomside and topside parameterizations at high latitudes
Advances in Space Research, 2018
pfisr risrn
URL, 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
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
PDF, DOI, BibTex
C. Wang, L. Chen, H. Zhao, and W. Guo
Verification of high-resolution and precision TEC retrieval based on the PALSAR full-polarimetric data
Proceedings: Active and Passive Microwave Remote Sensing for Environmental Monitoring II, 2018
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DOI, BibTex
J. Wang, Y. J. Morton, and D. Hampton
New results on ionospheric irregularity drift velocity estimation using multi-GNSS spaced-receiver array during high-latitude phase scintillation
Radio Science, 2018
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DOI, BibTex
C. Watson, R. B. Langley, D. R. Themens, A. W. Yau, A. D. Howarth, and P. T. Jayachandran
Enhanced Polar Outflow Probe ionospheric radio occultation measurements at high latitudes: Receiver bias estimation and comparison with ground‐based observations
Radio Science, 2018
pfisr risrn
DOI, BibTex
Y. Zou, Y. Nishimura, L. Lyons, M. Conde, R. Varney, V. Angelopoulos, and S. Mende
Mesoscale F region neutral winds associated with quasi‐steady and transient nightside auroral forms
Journal of Geophysical Research: Space Physics, 2018
pfisr pfrr
DOI, BibTex

2017

H. Akbari, A. Bhatt, C. L. Hoz, and J. L. Semeter
Incoherent scatter plasma lines: Observations and applications
Space Sci Rev, 2017
pfisr
DOI, BibTex
H. Akbari, L. V. Goodwin, J. Swoboda, J.-P. St.-Maurice, and J. L. Semeter
Extreme plasma convection and frictional heating of the ionosphere: ISR observations
J. Geophys. Res. Space Physics, 2017
risrn pfisr
URL, PDF, DOI, BibTex
M. Dhadly, J. Emmert, D. Drob, M. Conde, E. Doornbos, G. Shepherd, J. Makela, Q. Wu, R. Niciejewski, and A. Ridley
Seasonal dependence of northern high-latitude upper thermospheric winds: A quiet time climatological study based on ground-based and space-based measurements
J. Geophys. Res. Space Physics, 2017
pfrr rbo
DOI, BibTex
M. Hirsch
Alfvén waves underlying ionospheric destabilization: ground-based observations
PhD Thesis, 2017
pfisr pfrr
URL, BibTex
D. Janches, N. Swarnalingam, J. D. Carrillo-Sanchez, J. C. Gomez-Martin, R. Marshall, D. Nesvorny, J. M. C. Plane, W. Feng, and P. Pokorny
Radar Detectability Studies of Slow and Small Zodiacal Dust Cloud Particles. III. The Role of Sodium and the Head Echo Size on the Probability of Detection
The Astrophysical Journal, 2017
pfisr arecibo
DOI, BibTex
L. Lamarche
Plasma Irregularity Production in the Polar Cap F-Region Ionosphere
Ph.D. Thesis, 2017
pfisr risrn
URL, BibTex
L. J. Lamarche and R. A. Makarevich
Radar observations of density gradients, electric fields, and plasma irregularities near polar cap patches in the context of the gradient-drift instability
J. Geophys. Res. Space Physics, 2017
risrn
URL, DOI, BibTex
V. Lannér
Incoherent Scattering of Twisted Radar Beams from the Ionosphere
Master's Thesis, 2017
pfisr
URL, BibTex
D. Lin, B. Zhang, W. A. Scales, M. Wiltberger, C. R. Clauer, and Z. Xu
The role of solar wind density in cross polar cap potential saturation under northward interplanetary magnetic field
Geophysical Research Letters, 2017
risrn
DOI, BibTex
D. C. Loucks
Impact of High-Latitude Ionospheric E Region Enhancements on Global Positioning System Scintillations in the Alaskan Sector
PhD Thesis, 2017
pfisr pfrr
URL, BibTex
D. Loucks, S. Palo, M. Pilinski, G. Crowley, I. Azeem, and D. Hampton
High-latitude GPS Phase Scintillation from E Region Electron Density Gradients During the December 20-21, 2015 Geomagnetic Storm
J. Geophys. Res., 2017
pfisr pfrr
URL, DOI, BibTex
M. M. J. Ruohoniemi, J. Baker, C. Clauer, M. Nicolls, and M. Hairston
RISR-N observations of the IMF By influence on reverse convection during extreme northward IMF
J. Geophys. Res. Space Physics, 2017
risrn
DOI, BibTex
J. Semeter, S. Mrak, M. Hirsch, J. Swoboda, H. Akbari, G. Starr, D. Hampton, P. Erickson, F. Lind, A. Coster, and V. Pankratius
GPS signal corruption by the discrete Aurora: Precise measurements from the Mahali experiment
Geophysical Research Letters, 2017
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DOI, BibTex
N. Sivadas, J. Semeter, Y. Nishimura, and A. Kero
Simultaneous measurements of substorm-related electron energization in the ionosphere and the plasma sheet
Journal of Geophysical Research: Space Physics, 2017
pfrr pfisr
PDF, DOI, BibTex
Y. Su
Kilometer-Spaced GNSS Array for Ionospheric Irregularity Monitoring
PhD Thesis, 2017
pfrr
URL, BibTex
Y. Su, S. Datta-Barua, G. S. Bust, and K. B. Deshpande
Distributed sensing of ionospheric irregularities with a GNSS receiver array
Radio Science, 2017
pfrr pfisr
DOI, BibTex
J. P. Swoboda
Space-time sampling strategies for electronically steerable incoherent scatter radar
PhD Thesis, 2017
pfisr risrn
URL, BibTex
J. Wang and Y. T. Morton
A comparative study of ionospheric irregularity drift velocity derived from a GNSS receiver array and Poker Flat Incoherent Scatter Radar measurements during high-latitude ionospheric scintillation
J. Geophys. Res. Space Physics, 2017
pfisr pfrr
URL, DOI, BibTex
Q. Wu, G. Jee, C. Lee, J.-H. Kim, Y. H. Kim, W. Ward, and R. H. Varney
First simultaneous multistation observations of the polar cap thermospheric winds
J. Geophys. Res. Space Physics, 2017
risrn rbo
URL, DOI, BibTex
Y. Zou, Y. Nishimura, L. R. Lyons, and K. Shiokawa
Localized polar cap precipitation in association with nonstorm time airglow patches
Geophysical Research Letters, 2017
rbo
URL, DOI, BibTex
S. Zou, D. Ozturk, R. Varney, and A. Reimer
Effects of sudden commencement on the ionosphere: PFISR observations and global MHD simulation
Geophys. Res. Lett., 2017
pfisr pfrr
URL, DOI, BibTex
S. Zou, A. Ridley, X. Jia, E. Boyd, M. Nicolls, A. Coster, E. Thomas, and J. M. Ruohoniemi
PFISR observation of intense ion upflow fluxes associated with an SED during the 1 June 2013 geomagnetic storm
J. Geophys. Res. Space Physics, 2017
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DOI, BibTex

2016

H. W. Bourne
An Algorithm for Accurate Ionospheric Total Electron Content and Receiver Bias Estimation using GPS Measurements
Master's Thesis, 2016
pfisr pfrr
URL, BibTex
W. A. Bristow, D. L. Hampton, and A. Otto
High-spatial-resolution velocity measurements derived using Local Divergence-Free Fitting of SuperDARN observations.
J. Geophys. Res. Space Physics, 2016
pfrr
URL, DOI, BibTex
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
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URL, PDF, DOI, BibTex
R. B. Cosgrove
Does a localized plasma disturbance in the ionosphere evolve to electrostatic equilibrium? Evidence to the contrary
J. Geophys. Res. Space Physics, 2016
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DOI, BibTex
P. A. Fernandes, K. A. Lynch, M. Zettergren, D. L. Hampton, T. A. Bekkeng, I. J. Cohen, M. Conde, L. E. Fisher, P. Horak, M. R. Lessard, R. J. Miceli, R. G. Michell, J. I. Moen, and S. P. Powell
Measuring the seeds of ion outflow: Auroral sounding rocket observations of low-altitude ion heating and circulation
J. Geophys. Res., 2016
amisr pfisr pfrr
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
G. I. I. Grubbs, R. Michell, M. Samara, D. Hampton, and J.-M. Jahn
A synthesis of star calibration techniques for ground-based narrowband EMCCD imagers used in Auroral Photometry
J. Geophys. Res. Space Physics, 2016
pfrr
URL, DOI, BibTex
A. V. Koustov, D. B. Lavoie, and R. H. Varney
On the consistency of the SuperDARN radar velocity and E×B plasma drift
Radio Science, 2016
risrn
URL, DOI, BibTex
J. Li
Radar Studies of Turbulence and Lidar Studies of The Nickel Layers in The Arctic Mesosphere
Master's Thesis, 2016
pfisr pfrr
URL, BibTex
L. R. Lyons, B. Gallardo-Lacourt, S. Zou, J. M. Weygand, Y. Nishimura, W. Li, M. Gkioulidou, V. Angelopoulos, E. F. Donovan, J. M. Ruohoniemi, B. J. Anderson, S. G. Shepherd, and N. Nishitani
The 17 March 2013 storm: Synergy of observations related to electric field modes and their ionospheric and magnetospheric Effects.
J. Geophys. Res. Space Physics, 2016
pfisr
URL, DOI, BibTex
T. E. Moore, K. S. Brenneman, C. R. Chappell, J. H. Clemmons, G. A. Collinson, C. Cully, E. Donovan, G. D. Earle, D. J. Gershman, R. A. Heelis, L. M. Kistler, L. Kepko, G. Khazanov, D. J. Knudsen, M. Lessard, E. A. MacDonald, M. J. Nicolls, C. J. Pollock, R. Pfaff, D. E. Rowland, E. Sanchez, R. W. Schunk, J. Semeter, R. J. Stangeway, and J. Thayer
Future Atmosphere-Ionosphere-Magnetosphere Coupling Study Requirements
Magnetosphere-Ionosphere Coupling in the Solar System, American Geophysical Union, 2016
amisr misc
URL, 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
Y. Yamazaki, M. Kosch, Y. Ogawa, and D. Themens
High-latitude ion temperature climatology during the International Polar Year 2007–2008
J. Space Weather Space Clim., 2016
pfisr
PDF, DOI, BibTex
C. Yue, W. Li, Y. Nishimura, Q. Zong, Q. Ma, J. Bortnik, R. M. Thorne, G. D. Reeves, H. E. Spence, C. A. Kletzing, J. R. Wygant, and M. J. Nicolls
Rapid enhancement of low-energy (<100 eV) ion flux in response to interplanetary shocks based on two Van Allen Probes case studies: Implications for source regions and heating mechanisms.
J. Geophys. Res. Space Physics, 2016
pfisr
URL, DOI, BibTex
S.-R. Zhang, J. M. Holt, P. J. Erickson, L. P. Goncharenko, M. J. Nicolls, M. McCready, and J. Kelly
Ionospheric ion temperature climate and upper atmospheric long-term cooling
J. Geophys. Res. Space Physics, 2016
pfisr sondrestrom
URL, DOI, BibTex

2015

H. Akbari, J. L. Semeter, M. A. Hirsch, P. Guio, and M. J. Nicolls
Evidence for generation of unstable suprathermal electron population in the auroral F-region
Geophys. Res. Lett., 2015
amisr pfisr
PDF, DOI, BibTex
S. Datta-Barua, Y. Su, K. Deshpande, D. Miladinovich, G. S. Bust, D. Hampton, and G. Crowley
First light from a kilometer-baseline Scintillation Auroral GPS Array
Geophys. Res. Lett., 2015
amisr pfisr pfrr
PDF, DOI, BibTex
C. Goenka, J. Semeter, J. Noto, J. Baumgardner, J. Riccobono, M. Migliozzi, H. Dahlgren, R. Marshall, S. Kapali, M. Hirsch, D. Hampton, and H. Akbari
LiCHI - Liquid Crystal Hyperspectral Imager for simultaneous multispectral imaging in aeronomy
Opt. Express, 2015
pfrr
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
PDF, DOI, BibTex
S. R. Kaeppler, D. L. Hampton, M. J. Nicolls, A. Strømme, S. C. Solomon, J. H. Hecht, and M. G. Conde
An investigation comparing ground-based techniques that quantify auroral electron flux and conductance
J. Geophys. Res. Space Physics, 2015
amisr pfisr pfrr
PDF, DOI, BibTex
L. J. Lamarche and R. A. Makarevich
Solar control of F region radar backscatter: Further insights from observations in the southern polar cap
J. Geophys. Res., 2015
amisr risrn rbo
PDF, DOI, BibTex
J. Liu, T. Nakamura, L. Liu, W. Wang, N. Balan, T. Nishiyama, M. R. Hairston, and E. G. Thomas
Formation of polar ionospheric tongue of ionization during minor geomagnetic disturbed conditions
J. Geophys. Res., 2015
amisr pfisr pfrr
PDF, DOI, BibTex
L. R. Liuzzo, A. J. Ridley, N. J. Perlongo, E. J. Mitchell, M. Conde, D. L. Hampton, W. A. Bristow, and M. J. Nicolls
High-latitude ionospheric drivers and their effects on wind patterns in the thermosphere
J. Geophys. Res., 2015
amisr pfisr pfrr
PDF, BibTex
K. A. Lynch, D. L. Hampton, M. Zettergren, T. A. Bekkeng, M. Conde, P. A. Fernandes, P. Horak, M. Lessard, R. Miceli, R. Michell, J. Moen, M. Nicolls, S. P. Powell, and M. Samara
MICA sounding rocket observations of conductivity-gradient-generated auroral ionospheric responses: Small-scale structure with large-scale drivers
J. Geophys. Res. Space Physics, 2015
amisr pfisr pfrr
PDF, DOI, BibTex
L. R. Lyons, Y. Nishimura, B. Gallardo-Lacourt, M. J. Nicolls, S. Chen, D. L. Hampton, W. A. Bristow, J. M. Ruohoniemi, N. Nishitani, E. F. Donovan, and V. Angelopoulos
Azimuthal flow bursts in the Inner Plasma Sheet and Possible Connection with SAPS and Plasma Sheet Earthward Flow Bursts
J. Geophys. Res., 2015
amisr pfisr pfrr
PDF, DOI, BibTex
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
R. A. Makarevich, L. J. Lamarche, and M. J. Nicolls
Resolute Bay Incoherent Scatter Radar observations of plasma structures in the vicinity of polar holes
J. Geophys. Res., 2015
amisr risrn
PDF, DOI, BibTex
R. A. Makarevich and W. A. Bristow
Coordinated radar observations of plasma wave characteristics in the auroral F region
Ann. Geophys., 2015
amisr pfisr
PDF, DOI, BibTex
M. J. Nicolls
Space Debris Measurements using the Advanced Modular Incoherent Scatter Radar
AMOS, 2015
amisr pfisr risrn
PDF, 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
G. Perry
Large scale plasma density perturbations in the polar F-region ionosphere
Ph.D. Thesis, University of Saskatchewan, 2015
amisr rbo risrn
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
PDF, DOI, BibTex
D. R. Themens, P. T. Jayachandran, and R. B. Langley
The nature of GPS differential receiver bias variability: An examination in the polar cap region
J. Geophys. Res., 2015
amisr rbo risrn
PDF, DOI, BibTex

2014

H. Akbari and J. L. Semeter
Aspect angle dependence of naturally enhanced ion acoustic lines
J. Geophys. Res., 2014
amisr pfisr pfrr
PDF, DOI, BibTex
H. Bahcivan, J. W. Cutler, J. C. Springmann, R. Doe, and M. J. Nicolls
Magnetic aspect sensitivity of high-latitude E region irregularities measured by the RAX CubeSat
J. Geophys. Res., 2014
amisr pfisr
PDF, DOI, BibTex
M. Broughton
Ground and Space Observations of Auroral Medium Frequency Radio Emissions
Ph.D. Thesis, 2014
amisr pfisr pfrr
BibTex
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
L. Goodwin, J.-P. St.-Maurice, P. Richards, M. Hairston, and M. Nicolls
F region dusk ion temperature spikes at the equatorward edge of the high latitude convection pattern
Geophys. Res. Lett., 2014
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K. Gudivada
Detection of F-region electron density irregularities using incoherent-scatter radar
Master's Thesis, University of Alaska Fairbanks, 2014
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BibTex
K. Hosokawa, S. Taguchi, K. Shiokawa, Y. Otsuka, Y. Ogawa, and M. Nicolls
Global imaging of polar cap patches with dual airglow imagers
Geophys. Res. Lett., 2014
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D. Janches, N. Swarnalingam, J. Plane, D. Nesvorny, W. Feng, D. Vokrouhlicky, and M. Nicolls
Radar detectability studies of slow and small Zodiacal Dust Cloud Particles: II. A study of three radars with di erent sensitivity
The Astrophysical Journal, 2014
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S. R. Kaeppler, M. J. Nicolls, A. Strømme, C. A. Kletzing, and S. R. Bounds
Observations in the E-region ionosphere of kappa distribution functions associated with precipitating auroral electrons and discrete aurorae
J. Geophys. Res., 2014
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M. J. Nicolls, H. Bahcivan, I. Haggstrom, and M. Rietveld
Direct Measurement of Lower-Thermospheric Neutral Density using Multi-Frequency Incoherent Scattering
Geophys. Res. Lett., 2014
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M. J. Nicolls, R. Cosgrove, and H. Bahcivan
Estimating the vector electric field using monostatic, multibeam incoherent scatter radar measurements
Radio Sci., 2014
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Y. Nishimura, L. R. Lyons, M. J. Nicolls, D. L. Hampton, R. G. Michell, M. Samara, W. A. Bristow, E. F. Donovan, E. Spanswick, V. Angelopoulos, and S. B. Mende
Coordinated ionospheric observations indicating coupling between pre-onset flow bursts and waves that leads to substorm onset
J. Geophys. Res., 2014
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D. L. Oltrogge, P. North, and M. J. Nicolls
MULTI-PHENOMENOLOGY OBSERVATION NETWORK EVALUATION TOOL (MONET)
AMOS, 2014
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P. G. Richards, M. J. Nicolls, J.-P. St.-Maurice, L. Goodwin, and J. M. Ruohoniemi
Investigation of sudden electron density depletions observed in the dusk sector by the Poker Flat, Alaska incoherent scatter radar in summer
J. Geophys. Res., 2014
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J. J. Sojka, R. W. Schunk, and M. J. Nicolls
Ionospheric Ion Temperature Forecasting in Multiples of 27 Days
Space Weather, 2014
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D. Themens, P. Jayachandran, M. J. Nicolls, and J. W. MacDougall
A Top to Bottom Evaluation of IRI-2007 within the Polar Cap
J. Geophys. Res., 2014
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R. H. Varney, S. C. Solomon, and M. J. Nicolls
Heating of the sunlit polar cap ionosphere by reflected photoelectrons
J. Geophys. Res., 2014
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R. L. Whittier
Poker Flat Incoherent Scatter Radar investigations of the nighttime E-region
Master's Thesis, Univ. of Alaska Fairbanks, Fairbanks, Alaska, USA, 2014
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M. Zettergren, K. Lynch, D. Hampton, M. Nicolls, B. Wright, M. Conde, J. Moen, M. Lessard, R. Miceli, and S. Powell
Auroral ionospheric F region density cavity formation and evolution: MICA campaign results
J. Geophys. Res., 2014
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S. Zou, M. B. Moldwin, A. J. Ridley, M. J. Nicolls, A. J. Coster, E. G. Thomas, and J. M. Ruohoniemi
On the generation/decay of the storm-enhanced density plumes: Role of the convection flow and field-aligned ion flow
J. Geophys. Res., 2014
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2013

H. Akbari, J. L. Semeter, M. J. Nicolls, M. Broughton, and J. W. LaBelle
On the localization of auroral Langmuir turbulence in thin layers
J. Geophys. Res., 2013
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C. Anderson, M. J. Kosch, M. J. Nicolls, and M. Conde
Ion-neutral coupling in Earth's thermosphere, estimated from concurrent radar and optical observations over Alaska
J. Atmos. Solar-Terr. Phys., 2013
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H. Bahcivan, M. J. Nicolls, and G. Perry
Comparison of SuperDARN irregularity drift measurements and F-region ion velocities from the Resolute Bay ISR
J. Atmos. Solar-Terr. Phys., 2013
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H. Bahcivan, S. Chen, and R. Cosgrove
Comparison of ionospheric drift and magnetic deflections on the ground
J. Atmos. Solar-Terr. Phys., 2013
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T. W. Butler
SPATIAL STATISTICS AND ANALYSIS OF EARTH'S IONOSPHERE
Ph.D. Thesis, 2013
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C. T. Fallen and B. J. Watkins
Diurnal and seasonal variation of electron heat flux measured with the Poker Flat Incoherent-Scatter Radar
J. Geophys. Res., 2013
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L. Goodwin
F-region Dusk Ion Temperature Spikes at the Equatorward Edge of the High Latitude Convection Region
Master's Thesis, University of Saskatchewan, 2013
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R. A. Makarevich, A. V. Koustov, and M. J. Nicolls
Poker Flat Incoherent Scatter Radar observations of anomalous electron heating in the E-region
Ann. Geophys., 2013
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R. A. Makarevich and M. J. Nicolls
Statistical comparison of TEC derived from GPS and ISR observations at high latitudes
Radio Sci., 2013
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R. Michell and M. Samara
Observability of NEIALs with the Sondrestrom and Poker Flat incoherent scatter radars
J. Atmos. Solar-Terr. Phys., 2013
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G. W. Perry, J.-P. St.-Maurice, and K. Hosokawa
The interconnection between cross-polar cap convection and the luminosity of polar cap patches
J. Geophys. Res., 2013
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L. A. Rooker, M. C. Lee, R. Pradipta, and B. J. Watkins
Generation and detection of whistler wave induced space plasma turbulence at Gakona, Alaska
Physica Scripta, 2013
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M. Samara and R. Michell
Optical and radar observations of small-scale polar cap auroral structures
J. Atmos. Solar-Terr. Phys., 2013
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E. Sergeev, S. Grach, A. Shindin, E. Mishin, P. Bernhardt, S. Briczinski, B. Isham, M. Broughton, J. LaBelle, and B. Watkins
Artificial Ionospheric Layers during Pump Frequency Stepping Near the 4th Gyroharmonic at HAARP
Phys. Rev. Lett., 2013
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T. Valentic, J. Buonocore, M. Cousins, C. Heinselman, J. Jorgensen, J. Kelly, M. Malone, M. Nicolls, and A. van Eyken
AMISR: The Advanced Modular Incoherent Scatter Radar
2013 IEEE International Symposium on Phased Array Systems and Technology, 2013
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J. Yee and S. Close
Plasma turbulence of nonspecular trail plasmas as measured by a high-power large-aperture radar
J. Geophys. Res., 2013
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S. Zou, A. Ridley, M. Moldwin, M. Nicolls, A. Coster, and M. Ruohoniemi
Multi-instrument Observations of Storm Enhanced Density (SED) during Oct. 24-25 2011 Storm: Implications for SED Formation Processes
J. Geophys. Res., 2013
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S. Zou, M. B. Moldwin, M. J. Nicolls, A. J. Ridley, A. J. Coster, E. Yizengaw, L. R. Lyons, and E. F. Donovan
Electrodynamics of the high-latitude trough: its relationship with convection flows and field-aligned currents
J. Geophys. Res., 2013
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2012

H. Akbari, J. L. Semeter, H. Dahlgren, M. Diaz, M. Zettergren, A. Strømme, M. J. Nicolls, and C. Heinselman
Anomalous ISR echoes preceding auroral breakup: Evidence for strong Langmuir turbulence
Geophys. Res. Lett., 2012
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H. Bahcivan and J. W. Cutler
Radio Aurora Explorer: Mission science and radar system
Radio Sci., 2012
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H. Bahcivan, J. W. Cutler, M. Bennett, B. Kempke, J. C. Springmann, J. Buonocore, M. Nicolls, and R. Doe
First measurements of radar coherent scatter by the Radio Aurora Explorer CubeSat
Geophys. Res. Lett., 2012
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J. K. Burchill, J. H. Clemmons, D. J. Knudsen, M. Larsen, M. J. Nicolls, R. F. Pfaff, D. Rowland, and L. Sangalli
High-latitude E region ionosphere-thermosphere coupling: A comparative study using in situ and incoherent scatter radar observations
J. Geophys. Res., 2012
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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
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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
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J. T. Fentzke, V. Hsu, C. G. M. Brum, I. Strelnikova, M. Rapp, and M. Nicolls
D region meteoric smoke and neutral temperature retrieval using the poker flat incoherent scatter radar
Geophys. Res. Lett., 2012
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D. Hysell, R. Miceli, J. Munk, D. Hampton, C. Heinselman, M. Nicolls, S. Powell, K. Lynch, and M. Lessard
Comparing VHF coherent scatter from the radar aurora with incoherent scatter and all-sky auroral imagery
J. Geophys. Res., 2012
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P. T. Jayachandran, K. Hosokawa, K. Shiokawa, Y. Otsuka, C. Watson, S. C. Mushini, J. W. Macdougall, P. Prikryl, R. Chadwick, and T. D. Kelly
GPS total electron content variations associated with poleward moving Sun-aligned arcs
J. Geophys. Res., 2012
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A. V. Koustov, K. Hosokawa, N. Nishitani, K. Shiokawa, and H. Liu
Signatures of moving polar cap arcs in the F-region PolarDARN echoes
Ann. Geophys., 2012
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T. B. Leyser, F. Waldemarsson, and S. C. Buchert
Plasma angular momentum effects and twisted incoherent scatter radar beams
Radio Sci., 2012
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K. A. Lynch, D. Hampton, M. Mella, B. Zhang, H. Dahlgren, M. Disbrow, P. M. Kintner, M. Lessard, E. Lundberg, and H. C. Stenbaek-Nielsen
Structure and dynamics of the nightside poleward boundary: Sounding rocket and ground-based observations of auroral electron precipitation in a rayed curtain
J. Geophys. Res., 2012
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M. J. Nicolls, S. L. Vadas, J. W. Meriwether, M. G. Conde, and D. Hampton
The phases and amplitudes of gravity waves propagating and dissipating in the thermosphere: Application to measurements over Alaska
J. Geophys. Res., 2012
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M. J. Nicolls, D. C. Fritts, D. Janches, and C. J. Heinselman
Momentum flux determination using the multi-beam Poker Flat Incoherent Scatter Radar
Ann. Geophys., 2012
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T. Nishiyama, T. Sakanoi, Y. Miyoshi, R. Kataoka, D. L. Hampton, Y. Katoh, K. Asamura, and S. Okano
Fine scale structures of pulsating auroras in the early recovery phase of substorm using ground-based EMCCD camera
J. Geophys. Res., 2012
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D. R. Themens, P. T. Jayachandran, R. B. Langley, J. W. Macdougall, and M. J. Nicolls
Determining receiver biases in GPS-derived total electron content in the auroral oval and polar cap region using ionosonde measurements
GPS Solutions, 2012
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S. L. Vadas and M. J. Nicolls
The phases and amplitudes of gravity waves propagating and dissipating in the thermosphere: Theory
J. Geophys. Res., 2012
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R. Volz and S. Close
Inverse filtering of radar signals using compressed sensing with application to meteors
Radio Sci., 2012
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2011

Y.-M. Cho, G. G. Shepherd, M. G. Shepherd, W. K. Hocking, N. J. Mitchell, and Y. I. Won
A study of temperature and meridional wind relationships at high northern latitudes
J. Atmos. Solar-Terr. Phys., 2011
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T. W. Garner, R. B. Harris, J. A. York, C. S. Herbster, C. F. I. Minter, and D. L. Hampton
An auroral scintillation observation using precise, collocated GPS receivers
Radio Sci., 2011
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W. K. Hocking and G. K. Kumar
Long term behaviour of the MLT quasi-7-day wave at two radar-sites at northern polar latitudes
J. Atmos. Solar-Terr. Phys., 2011
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K. Hosokawa, J. I. Moen, K. Shiokawa, and Y. Otsuka
Decay of polar cap patch
J. Geophys. Res., 2011
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K. Hosokawa, J. I. Moen, K. Shiokawa, and Y. Otsuka
Motion of polar cap arcs
J. Geophys. Res., 2011
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J. Liang, E. Spanswick, M. J. Nicolls, E. F. Donovan, D. Lummerzheim, and W. W. Liu
Multi-instrument observations of soft electron precipitation and its association with magnetospheric flows
J. Geophys. Res., 2011
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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
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M. R. Mella, K. A. Lynch, D. L. Hampton, H. Dahlgren, P. M. Kintner, M. Lessard, D. Lummerzheim, E. T. Lundberg, M. J. Nicolls, and H. C. Stenbaek-Nielsen
Sounding rocket study of two sequential auroral poleward boundary intensifications
J. Geophys. Res., 2011
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T. Pedersen, M. McCarrick, B. Reinisch, B. Watkins, R. Hamel, and V. Paznukhov
Production of artificial ionospheric layers by frequency sweeping near the 2nd gyroharmonic
Ann. Geophys., 2011
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J. J. Sojka, M. Nicolls, A. van Eyken, C. Heinselman, and D. Bilitza
24/7 Solar minimum polar cap and auroral ion temperature observations
Advances in Space Research, 2011
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N. Swarnalingam, W. K. Hocking, and J. R. Drummond
Long-term aspect-sensitivity measurements of polar mesosphere summer echoes (PMSE) at Resolute Bay using a 51.5 MHz VHF radar
J. Atmos. Solar-Terr. Phys., 2011
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R. H. Varney, M. C. Kelley, M. J. Nicolls, C. J. Heinselman, and R. L. Collins
The electron density dependence of polar mesospheric summer echoes
J Atmos Sol-Terr Phy, 2011
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S. Zou, M. B. Moldwin, A. Coster, L. R. Lyons, and M. J. Nicolls
GPS TEC observations of dynamics of the mid-latitude trough during substorms
Geophys. Res. Lett., 2011
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2010

H. Bahcivan, R. Tsunoda, M. J. Nicolls, and C. J. Heinselman
Initial ionospheric observations made by the new Resolute incoherent scatter radar and comparison to solar wind IMF
Geophys. Res. Lett., 2010
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T. W. Butler, J. Semeter, C. J. Heinselman, and M. J. Nicolls
Imaging F region drifts using monostatic phased-array incoherent scatter radar
Radio Sci., 2010
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J. A. Cohen, R. Pradipta, L. M. Burton, A. Labno, M. C. Lee, B. J. Watkins, C. Fallen, S. P. Kuo, W. J. Burke, D. Mabius, and B. Z. See
Generation of ionospheric ducts by the HAARP HF heater
Physica Scripta, 2010
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M. G. Conde and M. J. Nicolls
Thermospheric temperatures above Poker Flat, Alaska, during the stratospheric warming event of January and February 2009
J. Geophys. Res., 2010
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R. Cosgrove, M. Nicolls, H. Dahlgren, S. Ranjan, E. Sanchez, and R. Doe
Radar detection of a localized 1.4 Hz pulsation in auroral plasma, simultaneous with pulsating optical emissions, during a substorm
Ann Geophys, 2010
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K. Hosokawa, J.-P. St.-Maurice, G. J. Sofko, K. Shiokawa, Y. Otsuka, and T. Ogawa
Reorganization of polar cap patches through shears in the background plasma convection
J. Geophys. Res., 2010
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K. Hosokawa, T. Tsugawa, K. Shiokawa, Y. Otsuka, N. Nishitani, T. Ogawa, and M. R. Hairston
Dynamic temporal evolution of polar cap tongue of ionization during magnetic storm
J. Geophys. Res., 2010
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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
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G. K. Kumar and W. K. Hocking
Climatology of northern polar latitude MLT dynamics: mean winds and tides
Ann. Geophys., 2010
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L. R. Lyons, Y. Nishimura, Y. Shi, S. Zou, H.-J. Kim, V. Angelopoulos, C. Heinselman, M. J. Nicolls, and K.-H. Fornacon
Substorm triggering by new plasma intrusion: Incoherent-scatter radar observations
J. Geophys. Res., 2010
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R. G. Michell and M. Samara
High-resolution observations of naturally enhanced ion acoustic lines and accompanying auroral fine structures
J. Geophys. Res., 2010
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R. G. Michell
Simultaneous optical and radar measurements of meteors using the Poker Flat Incoherent Scatter Radar
J Atmos Sol-Terr Phy, 2010
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M. J. Nicolls, R. H. Varney, S. L. Vadas, P. A. Stamus, C. J. Heinselman, R. B. Cosgrove, and M. C. Kelley
Influence of an inertia-gravity wave on mesospheric dynamics: A case study with the Poker Flat Incoherent Scatter Radar
J. Geophys. Res., 2010
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Y. Nishimura, L. R. Lyons, S. Zou, X. Xing, V. Angelopoulos, S. B. Mende, J. W. Bonnell, D. Larson, U. Auster, T. Hori, N. Nishitani, K. Hosokawa, G. Sofko, M. Nicolls, and C. Heinselman
Preonset time sequence of auroral substorms: Coordinated observations by all-sky imagers, satellites, and radars
J. Geophys. Res., 2010
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M. Samara and R. G. Michell
Ground-based observations of diffuse auroral frequencies in the context of whistler mode chorus
J. Geophys. Res., 2010
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J. Semeter, T. W. Butler, M. Zettergren, C. J. Heinselman, and M. J. Nicolls
Composite imaging of auroral forms and convective flows during a substorm cycle
J. Geophys. Res., 2010
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J. J. Sparks, D. Janches, M. J. Nicolls, and C. Heinselman
Determination of physical and radiant meteor properties using PFISR interferometry measurements of head echoes
J Atmos Sol-Terr Phy, 2010
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S.-R. Zhang, J. M. Holt, A. P. van Eyken, C. Heinselman, and M. McCready
IPY observations of ionospheric yearly variations from high- to middle-latitude incoherent scatter radars
J. Geophys. Res., 2010
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S. Zou, M. B. Moldwin, L. R. Lyons, Y. Nishimura, M. Hirahara, T. Sakanoi, K. Asamura, M. J. Nicolls, Y. Miyashita, S. B. Mende, and C. J. Heinselman
Identification of substorm onset location and preonset sequence using Reimei, THEMIS GBO, PFISR, and Geotail
J. Geophys. Res., 2010
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2009

H. Bahcivan, M. C. Kelley, and J. W. Cutler
Radar and rocket comparison of UHF radar scattering from auroral electrojet irregularities: Implications for a nanosatellite radar
J. Geophys. Res., 2009
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J. L. Chau, F. R. Galindo, C. J. Heinselman, and M. J. Nicolls
Meteor-head echo observations using an antenna compression approach with the 450 MHz Poker Flat Incoherent Scatter Radar
J. Atmos Solar-Terr. Phys., 2009
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J. T. Fentzke, D. Janches, and J. J. Sparks
Latitudinal and seasonal variability of the micrometeor input function: A study using model predictions and observations from Arecibo and PFISR
J. Atmos Solar-Terr. Phys., 2009
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B. Gustavsson, R. Newsome, T. B. Leyser, M. J. Kosch, L. Norin, M. McCarrick, T. Pedersen, and B. J. Watkins
First observations of X-mode suppression of O-mode HF enhancements at 6300 A
Geophys. Res. Lett., 2009
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K. Hosokawa, K. Shiokawa, Y. Otsuka, T. Ogawa, J.-P. St.-Maurice, G. J. Sofko, and D. A. Andre
Relationship between polar cap patches and field-aligned irregularities as observed with an all-sky airglow imager at Resolute Bay and the PolarDARN radar at Rankin Inlet
J. Geophys. Res., 2009
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K. Hosokawa, T. Tsugawa, K. Shiokawa, Y. Otsuka, T. Ogawa, and M. R. Hairston
Unusually elongated, bright airglow plume in the polar cap F region: Is it a tongue of ionization?
Geophys. Res. Lett., 2009
rbo
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K. Hosokawa, T. Kashimoto, S. Suzuki, K. Shiokawa, Y. Otsuka, and T. Ogawa
Motion of polar cap patches: A statistical study with all-sky airglow imager at Resolute Bay, Canada
J. Geophys. Res., 2009
rbo
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D. L. Hysell, G. Michhue, M. J. Nicolls, C. J. Heinselman, and M. F. Larsen
Assessing auroral electric field variance with coherent and incoherent scatter radar
J. Atmos Solar-Terr. Phys., 2009
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D. Janches, D. C. Fritts, M. J. Nicolls, and C. J. Heinselman
Observations of D-region structure and atmospheric tides with PFISR during active aurora
J. Atmos Solar-Terr. Phys., 2009
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P. T. Jayachandran, K. Hosokawa, J. W. Macdougall, S. Mushini, R. B. Langley, and K. Shiokawa
GPS total electron content variations associated with a polar cap arc
J. Geophys. Res., 2009
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S. L. Jones, M. R. Lessard, P. A. Fernandes, D. Lummerzheim, J. L. Semeter, C. J. Heinselman, K. A. Lynch, R. G. Michell, P. M. Kintner, H. C. Stenbaek-Nielsen, and K. Asamura
PFISR and ROPA observations of pulsating aurora
J. Atmos Solar-Terr. Phys., 2009
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J. D. Kelly and C. J. Heinselman
Initial results from Poker Flat Incoherent Scatter Radar (PFISR)
J. Atmos Solar-Terr. Phys., 2009
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M. J. Kosch, B. Gustavsson, C. Heinselman, T. Pedersen, M. T. Rietveld, J. Spaleta, A. Wong, W. Wang, C. Mutiso, B. Bristow, and J. Hughes
First incoherent scatter radar observations of ionospheric heating on the second electron gyro-harmonic
J. Atmos Solar-Terr. Phys., 2009
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D. J. Livneh, I. Seker, F. T. Djuth, and J. D. Mathews
Omnipresent vertically coherent fluctuations in the ionosphere with a possible worldwide-midlatitude extent
J. Geophys. Res., 2009
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L. R. Lyons, S. Zou, C. J. Heinselman, M. J. Nicolls, and P. C. Anderson
Poker flat radar observations of the magnetosphere-ionosphere coupling electrodynamics of the earthward penetrating plasma sheet following convection enhancements
J. Atmos Solar-Terr. Phys., 2009
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L. R. Lyons, H.-J. Kim, X. Xing, S. Zou, D.-Y. Lee, C. Heinselman, M. J. Nicolls, V. Angelopoulos, D. Larson, J. McFadden, A. Runov, and K.-H. Fornacon
Evidence that solar wind fluctuations substantially affect global convection and substorm occurrence
J. Geophys. Res., 2009
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R. G. Michell, K. A. Lynch, C. J. Heinselman, and H. C. Stenbaek-Nielsen
High time resolution PFISR and optical observations of naturally enhanced ion acoustic lines
Ann. Geophys., 2009
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M. J. Nicolls, M. C. Kelley, R. H. Varney, and C. J. Heinselman
Spectral observations of polar mesospheric summer echoes at 33 cm (450 MHz) with the Poker Flat Incoherent Scatter Radar
J. Atmos Solar-Terr. Phys., 2009
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E. Nossa, D. L. Hysell, C. T. Fallen, and B. J. Watkins
Radar observations of artificial E-region field-aligned irregularities
Ann. Geophys., 2009
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P. G. Richards, M. J. Nicolls, C. J. Heinselman, J. J. Sojka, J. M. Holt, and R. R. Meier
Measured and modeled ionospheric densities, temperatures, and winds during the international polar year
J. Geophys. Res., 2009
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A. Roy, S. J. Briczinski, J. F. Doherty, and J. D. Mathews
Genetic-Algorithm-Based Parameter Estimation Technique for Fragmenting Radar Meteor Head Echoes
IEEE Geoscience and Remote Sensing Letters, 2009
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L. Sangalli
SOUNDING ROCKET PROBING OF THE IONOSPHERIC COLLISIONAL TRANSITION REGION
Ph.D. Thesis, 2009
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L. Sangalli, D. J. Knudsen, M. F. Larsen, T. Zhan, R. F. Pfaff, and D. Rowland
Rocket-based measurements of ion velocity, neutral wind, and electric field in the collisional transition region of the auroral ionosphere
J. Geophys. Res., 2009
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J. Semeter, T. Butler, C. Heinselman, M. Nicolls, J. Kelly, and D. Hampton
Volumetric imaging of the auroral ionosphere: Initial results from PFISR
J. Atmos Solar-Terr. Phys., 2009
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J. J. Sojka, M. J. Nicolls, C. J. Heinselman, and J. D. Kelly
The PFISR IPY observations of ionospheric climate and weather
J. Atmos. Solar-Terr. Phys., 2009
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J. J. Sojka, R. L. McPherron, A. P. van Eyken, M. J. Nicolls, C. J. Heinselman, and J. D. Kelly
Observations of ionospheric heating during the passage of solar coronal hole fast streams
Geophys. Res. Lett., 2009
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J. J. Sparks, D. Janches, M. J. Nicolls, and C. J. Heinselman
Seasonal and diurnal variability of the meteor flux at high latitudes observed using PFISR
J. Atmos. Solar-Terr. Phys., 2009
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J. J. Sparks and D. Janches
Correction to “Latitudinal dependence of the variability of the micrometeor altitude distribution”
Geophys. Res. Lett., 2009
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J. J. Sparks and D. Janches
Latitudinal dependence of the variability of the micrometeor altitude distribution
Geophys. Res. Lett., 2009
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S. Suzuki, K. Shiokawa, K. Hosokawa, K. Nakamura, and W. K. Hocking
Statistical characteristics of polar cap mesospheric gravity waves observed by an all-sky airglow imager at Resolute Bay, Canada
J. Geophys. Res., 2009
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N. Swarnalingam, W. K. Hocking, W. Singer, and R. Latteck
Calibrated measurements of PMSE strengths at three different locations observed with SKiYMET radars and narrow beam VHF radars
J. Atmos. Solar-Terr. Phys., 2009
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N. Swarnalingam, W. K. Hocking, and P. S. Argall
Radar efficiency and the calculation of decade-long PMSE backscatter cross-section for the Resolute Bay VHF radar
Ann. Geophys., 2009
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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
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S. L. Vadas and M. J. Nicolls
Temporal evolution of neutral, thermospheric winds and plasma response using PFISR measurements of gravity waves
J. Atmos. Solar-Terr. Phys., 2009
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R. H. Varney, M. J. Nicolls, C. J. Heinselman, and M. C. Kelley
Observations of polar mesospheric summer echoes using PFISR during the summer of 2007
J. Atmos. Solar-Terr. Phys., 2009
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S. Zou, L. R. Lyons, M. J. Nicolls, C. J. Heinselman, and S. B. Mende
Nightside ionospheric electrodynamics associated with substorms: PFISR and THEMIS ASI observations
J. Geophys. Res., 2009
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S. Zou, L. R. Lyons, M. J. Nicolls, and C. J. Heinselman
PFISR observations of strong azimuthal flow bursts in the ionosphere and their relation to nightside aurora
J. Atmos. Solar-Terr. Phys., 2009
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2008

A. Belova, S. Kirkwood, D. Murtagh, N. Mitchell, W. Singer, and W. Hocking
Five-day planetary waves in the middle atmosphere from Odin satellite data and ground-based instruments in Northern Hemisphere summer 2003, 2004, 2005 and 2007
Ann. Geophys., 2008
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L. M. Burton, J. A. Cohen, R. Pradipta, A. Labno, M. C. Lee, O. Batishchev, D. L. Rokusek, S. P. Kuo, B. J. Watkins, and S. Oyama
Excitation and diagnosis of cascading Langmuir waves in ionospheric plasmas at Gakona, Alaska
Physica Scripta, 2008
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B. Gustavsson, M. Kosch, A. Wong, T. Pedersen, C. Heinselman, C. Mutiso, B. Bristow, J. Hughes, and W. Wang
First estimates of volume distribution of HF-pump enhanced emissions at 6300 and 5577 Å: a comparison between observations and theory
Ann. Geophys., 2008
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C. J. Heinselman and M. J. Nicolls
A Bayesian approach to electric field and E-region neutral wind estimation with the Poker Flat Advanced Modular Incoherent Scatter Radar
Radio Sci., 2008
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D. L. Hysell, G. Michhue, M. F. Larsen, R. Pfaff, M. Nicolls, C. Heinselman, and H. Bahcivan
Imaging radar observations of Farley Buneman waves during the JOULE II experiment
Ann. Geophys., 2008
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L. M. Kagan, R. S. Kissack, M. C. Kelley, and R. Cuevas
Unexpected rapid decrease in phase velocity of submeter Farley-Buneman waves with altitude
Geophys. Res. Lett., 2008
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M. C. Kelley, R. A. Cuevas, and D. L. Hysell
Radar scatter from equatorial electrojet waves: An explanation for the constancy of the Type I Doppler shift with zenith angle
Geophys. Res. Lett., 2008
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R. Latteck, W. Singer, R. J. Morris, W. K. Hocking, D. J. Murphy, D. A. Holdsworth, and N. Swarnalingam
Similarities and differences in polar mesosphere summer echoes observed in the Arctic and Antarctica
Ann. Geophys., 2008
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J. D. Mathews, S. J. Briczinski, D. D. Meisel, and C. J. Heinselman
Radio and Meteor Science Outcomes From Comparisons of Meteor Radar Observations at AMISR Poker Flat, Sondrestrom, and Arecibo
Earth Moon Planet, 2008
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R. G. Michell, K. A. Lynch, C. J. Heinselman, and H. C. Stenbaek-Nielsen
PFISR nightside observations of naturally enhanced ion acoustic lines, and their relation to boundary auroral features
Ann. Geophys., 2008
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D. Pancheva, P. Mukhtarov, N. J. Mitchell, B. Andonov, E. Merzlyakov, W. Singer, Y. Murayama, S. Kawamura, J. Xiong, W. Wan, W. Hocking, D. Fritts, D. Riggin, C. Meek, and A. Manson
Latitudinal wave coupling of the stratosphere and mesosphere during the major stratospheric warming in 2003/2004
Ann. Geophys., 2008
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I. Sandahl, T. Sergienko, and U. Brändström
Fine structure of optical aurora
J. Atmos. Solar-Terr. Phys., 2008
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S. L. Vadas and M. J. Nicolls
Using PFISR measurements and gravity wave dissipative theory to determine the neutral, background thermospheric winds
Geophys. Res. Lett., 2008
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2007

W. K. Hocking, P. S. Argall, R. P. Lowe, R. J. Sica, and H. Ellinor
Height-dependent meteor temperatures and comparisons with lidar and OH measurements
Can. J. Phys., 2007
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P. Hoffmann, W. Singer, D. Keuer, W. K. Hocking, M. Kunze, and Y. Murayama
Latitudinal and longitudinal variability of mesospheric winds and temperatures during stratospheric warming events
J. Atmos. Solar-Terr. Phys., 2007
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D. L. Hysell, J. Drexler, E. B. Shume, J. L. Chau, D. E. Scipion, M. Vlasov, R. Cuevas, and C. Heinselman
Combined radar observations of equatorial electrojet irregularities at Jicamarca
Ann. Geophys., 2007
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M. J. Kosch, T. Pedersen, E. Mishin, S. Oyama, J. Hughes, A. Senior, B. Watkins, and B. Bristow
Coordinated optical and radar observations of ionospheric pumping for a frequency pass through the second electron gyroharmonic at HAARP
J. Geophys. Res., 2007
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M. J. Kosch, T. Pedersen, E. Mishin, M. Starks, E. Gerken-Kendall, D. Sentman, S. Oyama, and B. Watkins
Temporal evolution of pump beam self-focusing at the High-Frequency Active Auroral Research Program
J. Geophys. Res., 2007
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P. Mukhtarov, D. Pancheva, B. Andonov, N. J. Mitchell, E. Merzlyakov, W. Singer, W. Hocking, C. Meek, A. Manson, and Y. Murayama
Large-scale thermodynamics of the stratosphere and mesosphere during the major stratospheric warming in 2003/2004
J. Atmos. Solar-Terr. Phys., 2007
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M. J. Nicolls and C. J. Heinselman
Three-dimensional measurements of traveling ionospheric disturbances with the Poker Flat Incoherent Scatter Radar
Geophys. Res. Lett., 2007
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M. J. Nicolls, C. J. Heinselman, E. A. Hope, S. Ranjan, M. C. Kelley, and J. D. Kelly
Imaging of Polar Mesosphere Summer Echoes with the 450 MHz Poker Flat Advanced Modular Incoherent Scatter Radar
Geophys. Res. Lett., 2007
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M. N. Vlasov, M. C. Kelley, and D. L. Hysell
Eddy turbulence parameters inferred from radar observations at Jicamarca
Ann. Geophys., 2007
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2006

S. Oyama, B. J. Watkins, F. T. Djuth, M. J. Kosch, P. A. Bernhardt, and C. J. Heinselman
Persistent enhancement of the HF pump-induced plasma line measured with a UHF diagnostic radar at HAARP
J. Geophys. Res., 2006
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2005

W. K. Hocking
A new approach to momentum flux determinations using SKiYMET meteor radars
Ann. Geophys., 2005
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2004

W. Hocking
Radar meteor decay rate variability and atmospheric consequences
Ann. Geophys., 2004
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W. K. Hocking
Experimental Radar Studies of Anisotropic Diffusion of High Altitude Meteor Trails
Earth, Moon, and Planets, 2004
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D. Pancheva, N. J. Mitchell, A. H. Manson, C. E. Meek, C. Jacobi, Y. Portnyagin, E. Merzlyakov, W. K. Hocking, J. Macdougall, W. Singer, K. Igarashi, R. R. Clark, D. M. Riggin, S. J. Franke, D. Kurschner, A. N. Fahrutdinova, A. M. Stepanov, B. L. Kashcheyev, A. N. Oleynikov, and H. G. Muller
Variability of the quasi-2-day wave observed in the MLT region during the PSMOS campaign of June-August 1999
J. Atmos. Solar-Terr. Phys., 2004
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Y. Portnyagin, T. Solovjova, E. Merzlyakov, J. Forbes, S. Palo, D. Ortland, W. Hocking, J. Macdougall, T. Thayaparan, A. Manson, C. Meek, P. Hoffmann, W. Singer, N. Mitchell, D. Pancheva, K. Igarashi, Y. Murayama, C. Jacobi, D. Kuerschner, A. Fahrutdinova, D. Korotyshkin, R. Clark, M. Taylor, S. Franke, D. Fritts, T. Tsuda, T. Nakamura, S. Gurubaran, R. Rajaram, R. Vincent, S. Kovalam, P. Batista, G. Poole, S. Malinga, G. Fraser, D. Murphy, D. Riggin, T. Aso, and M. Tsutsumi
Mesosphere/lower thermosphere prevailing wind model
Adv. Space Res., 2004
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Y. Portnyagin, T. Solovjova, N. Makarov, E. Merzlyakov, A. Manson, C. Meek, W. Hocking, N. Mitchell, D. Pancheva, P. Hoffmann, W. Singer, Y. Murayama, K. Igarashi, J. Forbes, S. Palo, C. Hall, and S. Nozawa
Monthly mean climatology of the prevailing winds and tides in the Arctic mesosphere/lower thermosphere
Ann. Geophys., 2004
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