Global propagation of ionospheric disturbances associated with the 2022 Tonga volcanic eruption DR Themens, C Watson, N Žagar, S Vasylkevych, S Elvidge, A McCaffrey, ... Geophysical Research Letters 49 (7), e2022GL098158, 2022 | 177 | 2022 |
September 2019 Antarctic sudden stratospheric warming: Quasi‐6‐day wave burst and ionospheric effects Y Yamazaki, V Matthias, Y Miyoshi, C Stolle, T Siddiqui, G Kervalishvili, ... Geophysical Research Letters 47 (1), e2019GL086577, 2020 | 135 | 2020 |
The Empirical Canadian High Arctic Ionospheric Model (E‐CHAIM): NmF2 and hmF2 DR Themens, PT Jayachandran, I Galkin, C Hall Journal of Geophysical Research: Space Physics 122 (8), 9015-9031, 2017 | 101 | 2017 |
A top to bottom evaluation of IRI 2007 within the polar cap DR Themens, PT Jayachandran, MJ Nicolls, JW MacDougall Journal of Geophysical Research: Space Physics 119 (8), 6689-6703, 2014 | 76 | 2014 |
Determining receiver biases in GPS-derived total electron content in the auroral oval and polar cap region using ionosonde measurements DR Themens, PT Jayachandran, RB Langley, JW MacDougall, MJ Nicolls GPS solutions 17, 357-369, 2013 | 62 | 2013 |
Topside electron density representations for middle and high latitudes: A topside parameterization for E‐CHAIM based on the NeQuick DR Themens, PT Jayachandran, D Bilitza, PJ Erickson, I Häggström, ... Journal of Geophysical Research: Space Physics 123 (2), 1603-1617, 2018 | 58 | 2018 |
The nature of GPS differential receiver bias variability: An examination in the polar cap region DR Themens, PT Jayachandran, RB Langley Journal of Geophysical Research: Space Physics 120 (9), 8155-8175, 2015 | 49 | 2015 |
On the analytical description of the topside ionosphere by NeQuick: Modeling the scale height through COSMIC/FORMOSAT-3 selected data A Pignalberi, M Pezzopane, DR Themens, H Haralambous, B Nava, ... IEEE Journal of Selected Topics in Applied Earth Observations and Remote …, 2020 | 47 | 2020 |
Polar cap hot patches: Enhanced density structures different from the classical patches in the ionosphere QH Zhang, YZ Ma, PT Jayachandran, J Moen, M Lockwood, YL Zhang, ... Geophysical Research Letters 44 (16), 8159-8167, 2017 | 43 | 2017 |
Solar activity variability in the IRI at high latitudes: Comparisons with GPS total electron content DR Themens, PT Jayachandran Journal of Geophysical Research: Space Physics 121 (4), 3793-3807, 2016 | 43 | 2016 |
A bottomside parameterization for the Empirical Canadian High Arctic Ionospheric Model (E‐CHAIM) DR Themens, PT Jayachandran, AM McCaffrey, B Reid, RH Varney Radio Science, 2019 | 41 | 2019 |
Linear Vary-Chap topside electron density model with topside sounder and radio-occultation data F dos Santos Prol, DR Themens, M Hernández-Pajares, ... Surveys in Geophysics 40, 277-293, 2019 | 33 | 2019 |
A neural network-based foF2 model for a single station in the polar cap R Athieno, PT Jayachandran, DR Themens Radio Science 52 (6), 784-796, 2017 | 30 | 2017 |
Ionospheric Vertical Correlation Distances: Estimation From ISR Data, Analysis and Implications For Ionospheric Data Assimilation VV Forsythe, I Azeem, G Crowley, DR Themens Radio Science 56, e2020RS007177, 2020 | 22* | 2020 |
Validating the performance of the Empirical Canadian High Arctic Ionospheric Model (E-CHAIM) with in situ observations from DMSP and CHAMP DR Themens, PT Jayachandran, AM McCaffrey Journal of Space Weather and Space Climate 9, A21, 2019 | 20 | 2019 |
Seasonal and diurnal variations of PolarDARN F region echo occurrence in the polar cap and their causes M Ghezelbash, AV Koustov, DR Themens, PT Jayachandran Journal of Geophysical Research: Space Physics 119 (12), 10,426-10,439, 2014 | 20 | 2014 |
Examining the use of the NeQuick bottomside and topside parameterizations at high latitudes DR Themens, PT Jayachandran, RH Varney Advances in Space Research 61 (1), 287-294, 2018 | 19 | 2018 |
Comparison of observed and predicted MUF (3000) F2 in the polar cap region R Athieno, PT Jayachandran, DR Themens, DW Danskin Radio Science 50 (6), 509-517, 2015 | 19 | 2015 |
The limits of empirical electron density modeling: Examining the capacity of E-CHAIM and the IRI for modeling intermediate (1-to 30-day) timescales at high latitudes DR Themens, PT Jayachandran, B Reid, AM McCaffrey Radio Science 55 (4), 1-15, 2020 | 18 | 2020 |
ARTIST ionogram autoscaling confidence scores: Best practices DR Themens, B Reid, S Elvidge URSI Radio Sci. Lett 4 (1), 22-0001, 2022 | 17 | 2022 |