django-publications

S. L. Vadas, D. R. Themens, J. D. Huba, E. Becker, K. Bossert, L. Goncharenko, S. J. Maguire, C. A. O. B. Figueiredo, S. Xu, V. L. Harvey, N. A. Frissell, M. J. Molzen, T. J. Pisano, and G. Nykiel
Higher-Order Gravity Waves and Traveling Ionospheric Disturbances From the Polar Vortex Jet on 11--15 January 2016: Modeling With HIAMCM-SAMI3 and Comparison With Observations in the Thermosphere and Ionosphere
Journal of Geophysical Research: Space Physics, 2025
pfisr traveling ionospheric disturbances atmospheric gravity waves polar vortex ionosphere thermosphere cross polar propagation
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 pfisr
URL, PDF, 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

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

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

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

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

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

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

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

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

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

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

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
amisr risrn
PDF, DOI, BibTex

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
amisr risrn
PDF, DOI, BibTex

Journal Articles by D. R. Themens