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I. Azeem · SciRah

Researcher profile · Semantic Scholar

I. Azeem

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I. Azeem — researcher profile on SciRah

h-index: 18
Works: 75
Citations: 956

Most-cited papers

Multisensor profiling of a concentric gravity wave event propagating from the troposphere to the ionosphere
I. Azeem, J. Yue, L. Hoffmann, S. Miller +2 more
2015136 citations Open access
Semantic Scholar
Traveling ionospheric disturbances over the United States induced by gravity waves from the 2011 Tohoku tsunami and comparison with gravity wave dissipative theory
I. Azeem, S. Vadas, G. Crowley, J. Makela
201776 citations Open access
Semantic Scholar
Design, Development, Implementation, and On-orbit Performance of the Dynamic Ionosphere CubeSat Experiment Mission
C. S. Fish, C. Swenson, G. Crowley, A. Barjatya +38 more
201466 citations Open access
Semantic Scholar
Concentric Secondary Gravity Waves in the Thermosphere and Ionosphere Over the Continental United States on March 25–26, 2015 From Deep Convection
S. Vadas, I. Azeem
2020Journal of Geophysical Research - Space Physics58 citations
Semantic Scholar
Dynamical Coupling Between Hurricane Matthew and the Middle to Upper Atmosphere via Gravity Waves
Shuang Xu, J. Yue, X. Xue, S. Vadas +5 more
2019Journal of Geophysical Research - Space Physics55 citations Open access
Semantic Scholar
The role of zonal winds in the production of a pre‐reversal enhancement in the vertical ion drift in the low latitude ionosphere
R. Heelis, G. Crowley, F. Rodrigues, A. Reynolds +3 more
201255 citations Open access
Semantic Scholar
Atmosphere-ionosphere coupling from convectively generated gravity waves
I. Azeem, M. Barlage
201734 citations
Semantic Scholar
Analysis of traveling ionospheric disturbances (TIDs) in GPS TEC launched by the 2011 Tohoku earthquake
G. Crowley, I. Azeem, A. Reynolds, Timothy M. Duly +3 more
201630 citations
Semantic Scholar
Ionospheric Horizontal Correlation Distances: Estimation, Analysis, and Implications for Ionospheric Data Assimilation
Victoriya V. Forsythe, I. Azeem, G. Crowley
2020Radio Science29 citations
Semantic Scholar
The Dark Side of Hurricane Matthew: Unique Perspectives from the VIIRS Day/Night Band
S. Miller, W. Straka, J. Yue, C. Seaman +4 more
2018Bulletin of The American Meteorological Society - (BAMS)29 citations Open access
Semantic Scholar
DICE Mission Design, Development, and Implementation: Success and Challenges
C. Fish, C. Swenson, T. Neilsen, B. Bingham +10 more
201226 citations
Semantic Scholar
High‐latitude GPS phase scintillation from E region electron density gradients during the 20–21 December 2015 geomagnetic storm
D. Loucks, S. Palo, M. Pilinski, G. Crowley +2 more
201725 citations Open access
Semantic Scholar
CASES: A Novel Low-Cost Ground-based Dual-Frequency GPS Software Receiver and Space Weather Monitor
G. Crowley, G. Bust, Adam Reynolds, I. Azeem +6 more
201024 citations
Semantic Scholar
Observations of the migrating semidiurnal and quaddiurnal tides from the RAIDS/NIRS instrument
I. Azeem, R. Walterscheid, G. Crowley, R. Bishop +1 more
201623 citations Open access
Semantic Scholar
Extreme Ionospheric Storms and Their Effects on GPS Systems
G. Crowley, I. Azeem
201822 citations
Semantic Scholar
Evaluation of the New Background Covariance Model for the Ionospheric Data Assimilation
Victoriya V. Forsythe, I. Azeem, Ryan Blay, G. Crowley +4 more
2021Radio Science21 citations
Semantic Scholar
A theoretical analysis of the energy budget in the lower thermosphere
T. Killeen, A. Burns, I. Azeem, S. Cochran +1 more
199721 citations
Semantic Scholar
A study of space shuttle plumes in the lower thermosphere
R. Meier, M. Stevens, J. Plane, J. Emmert +4 more
201119 citations Open access
Semantic Scholar
Performance of 6 Different Global Navigation Satellite System Receivers at Low Latitude Under Moderate and Strong Scintillation
E. R. de Paula, A. Martinon, A. Moraes, C. Carrano +11 more
2021Earth and Space Science18 citations Open access
Semantic Scholar
Optical estimation of auroral ion upflow: 2. A case study
M. Zettergren, J. Semeter, P. Blelly, G. Sivjee +5 more
200818 citations
Semantic Scholar
In Situ Observations of Neutral Shear Instability in the Statically Stable High‐Latitude Mesosphere and Lower Thermosphere During Quiet Geomagnetic Conditions
R. Mesquita, M. Larsen, I. Azeem, M. Stevens +3 more
2020Journal of Geophysical Research - Space Physics16 citations Open access
Semantic Scholar
Ionospheric Vertical Correlation Distances: Estimation From ISR Data, Analysis, and Implications For Ionospheric Data Assimilation
Victoriya V. Forsythe, I. Azeem, G. Crowley, D. Themens
2021Radio Science14 citations Open access
Semantic Scholar
The Global Analysis of the Ionospheric Correlation Time and Its Implications for Ionospheric Data Assimilation
Victoriya V. Forsythe, I. Azeem, G. Crowley, R. A. Makarevich +1 more
2020Radio Science14 citations
Semantic Scholar
First Results of Phase Scintillation from a Longitudinal Chain of ASTRA’s SM-211 GPS TEC and Scintillation Receivers in Alaska
I. Azeem, G. Crowley, A. Reynolds, J. Santana +1 more
201314 citations
Semantic Scholar
Dynamical Coupling Between the Low‐Latitude Lower Thermosphere and Ionosphere via the Nonmigrating Diurnal Tide as Revealed by Concurrent Satellite Observations and Numerical Modeling
F. Gasperini, I. Azeem, G. Crowley, M. Perdue +14 more
2021Geophysical Research Letters13 citations Open access
Semantic Scholar
Auroral E‐Region as a Source Region for Ionospheric Scintillation
R. A. Makarevich, Geoffrey Crowley, I. Azeem, C. Ngwira +1 more
2021Journal of Geophysical Research - Space Physics13 citations
Semantic Scholar
Investigation of Acoustic Waves in the Ionosphere Generated by a Deep Convection System Using Distributed Networks of GPS Receivers and Numerical Modeling
I. Azeem, R. Walterscheid, G. Crowley
2018Geophysical Research Letters11 citations Open access
Semantic Scholar
Cloud Formation From a Localized Water Release in the Upper Mesosphere: Indication of Rapid Cooling
R. L. Collins, M. Stevens, I. Azeem, M. Taylor +7 more
2021Journal of Geophysical Research - Space Physics10 citations Open access
Semantic Scholar
Global ionospheric response to the 2009 sudden stratospheric warming event using Ionospheric Data Assimilation Four‐Dimensional (IDA4D) algorithm
I. Azeem, Geoffrey Crowley, C. Honniball
201510 citations Open access
Semantic Scholar
Equatorward Medium to Large‐Scale Traveling Ionospheric Disturbances of High latitude Origin During Quiet Conditions
Golekamang P. Thaganyana, J. Habarulema, C. Ngwira, I. Azeem
2022Journal of Geophysical Research: Space Physics9 citations Open access
Semantic Scholar
Scintillation Observations and Response of The Ionosphere to Electrodynamics (SORTIE)
Erik Stromberg, Geoff Crowley, I. Azeem, C. Fish +19 more
20158 citations
Semantic Scholar
A New Frontier in Ionospheric Observations: GPS Total Electron Content Measurements From Ocean Buoys
I. Azeem, G. Crowley, Victoriya V. Forsythe, A. Reynolds +3 more
2020Space Weather7 citations Open access
Semantic Scholar
On Constructing a Realistic Truth Model Using Ionosonde Data for Observation System Simulation Experiments
J. Hughes, Victoriya V. Forsythe, Ryan Blay, I. Azeem +5 more
2022Radio Science6 citations Open access
Semantic Scholar
Spectral Asymmetry of Near-Concentric Traveling Ionospheric Disturbances Due to Doppler-Shifted Atmospheric Gravity Waves
I. Azeem
2021Frontiers in Astronomy and Space Sciences6 citations Open access
Semantic Scholar
Evaluating the impact of commercial radio occultation data using the observation system simulation experiment tool for ionospheric electron density specification
J. Hughes, Ian Collett, Geoff Crowley, A. Reynolds +1 more
2024Frontiers in Astronomy and Space Sciences3 citations Open access
Semantic Scholar
Expanding the Horizons of Space Weather Forecasting through a Generic Framework: Insights from the JEDI Space Weather Data Assimilation Workshop
Hui Shao, N. Pedatella, D. Kuhl, Tzu-Wei Fang +8 more
2025Bulletin of The American Meteorological Society - (BAMS)2 citations
Semantic Scholar
Data Assimilation Retrieval of Electron Density Profiles From Ionosonde Virtual Height Data
Victoriya V. Forsythe, I. Azeem, Ryan Blay, G. Crowley +2 more
2021Radio Science2 citations
Semantic Scholar
Constellation of CubeSats for Realtime Ionospheric E-field Measurements for Global Space Weather
G. Crowley, C. Swenson, M. Pilinski, C. S. Fish +4 more
20142 citations
Semantic Scholar
Topside Ionospheric Sounder for CubeSats
C. Swenson, J. Pratt, C. Fish, C. Winkler +5 more
20142 citations
Semantic Scholar
Nighttime Medium-Scale Traveling Ionospheric Disturbance (MSTID) in GPS TEC Measurements
G. Crowley, I. Azeem, A. Reynolds, J. Santana +1 more
20132 citations
Semantic Scholar
DICE: Mission Results from Over a Year of On-Orbit Operations
T. Neilsen, G. Crowley, C. Swenson, C. Fish +3 more
20132 citations
Semantic Scholar
Ionospheric Scintillation Monitoring Using GPS Based Space Weather Monitor
Geoff Crowley, I. Azeem, A. Reynolds, J. Santana +3 more
20122 citations
Semantic Scholar
Quantifying Meridional Advection in the Auroral E‐Region For a Range of Geomagnetic Activity Levels
R. Mesquita, S. Kaeppler, R. Varney, A. Reimer +5 more
2025Journal of Geophysical Research - Space Physics1 citations Open access
Semantic Scholar
Monitoring ocean water level in remote shoreline locations using GPS reflectometry
A. Gisler, I. Azeem, E. Stromberg, A. Reynolds +3 more
2018Defense + Security1 citations
Semantic Scholar
First Measurements of Ionospheric TEC and GPS Scintillations from an Unmanned Marine Vehicle
I. Azeem, G. Crowley, A. Reynolds
20151 citations
Semantic Scholar
The Analysis of the Ionospheric Radio Occultation Data Coverage for ANCHOR Ionospheric Data Assimilation
Victoriya V. Forsythe, J. Weiss, I. Azeem, W. Gullotta +4 more
2025Space Weather0 citations Open access
Semantic Scholar
Development of Solar Sail Technology to Achieve Improvements in Space Weather Forecasting
I. Azeem
2024IAF Symposium on Ongoing and Near Future Space Astronomy and Solar-System Science Missions0 citations
Semantic Scholar
Advancing Space Weather Research and Mission Planning: OSEs, OSSEs, and Related Methods
D. Vassiliadis, I. Azeem, M. Codrescu, T. Fuller-Rowell +8 more
2023Vol. 55, Issue 3 (Heliophysics 2024 Decadal Whitepapers)0 citations Open access
Semantic Scholar
Travelling Ionospheric Disturbances Detected by the Scintillation Observations and Response of The Ionosphere to Electrodynamics (SORTIE) CubeSat at 420 km Altitude
I. Azeem, Geoff Crowely, Wanli Wu, Cora E. Randall +13 more
20230 citations
Semantic Scholar
Advancing our understanding of ionospheric structure and variability via TEC measurements from buoys
John Noto, I. Azeem, Geoff Crowley, Ian Collett +5 more
2023Vol. 55, Issue 3 (Heliophysics 2024 Decadal Whitepapers)0 citations Open access
Semantic Scholar

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