selected publications

• chapter

  • Equatorial Ionospheric Electrodynamics.  Geophysical Monograph. 161-183. 2021
  • The Middle- and Low-Latitude Neutral Wind Dynamo.  Geophysical Monograph. 79-104. 2021
  • Modeling the Storm Time Electrodynamics.  455-464. 2011

• conference proceeding

  • Comparative Studies of Theoretical Models in the Equatorial Ionosphere.  Geophysical Monograph. 133-144. 2011
  • Ionospheric Electrodynamics Modeling.  Geophysical Monograph. 57-71. 2011
  • The NCAR TIE-GCM: A Community Model of the Coupled Thermosphere/Ionosphere System.  Geophysical Monograph. 73-83. 2011

• journal article

  • Thank You to Our 2024 Reviewers.  Earth and Space Science. 2025
  • Solar Semidiurnal Variations in the Thermosphere and Ionosphere Forced From Above and From Below.  Journal of Geophysical Research: Space Physics. 2025
  • Ten Years of Earth and Space Science: Introduction to the Special Collection.  Earth and Space Science. 2025
  • Tidally Driven Intra-Seasonal Oscillations in the Thermosphere From TIEGCM-ICON and Connections to the Madden-Julian Oscillation.  Journal of Geophysical Research: Space Physics. 2025
  • Wind-Driven Variability in the Prereversal Enhancement of the Equatorial Vertical Plasma Drift: Climatologies Observed by ICON.  Journal of Geophysical Research: Space Physics. 2025
  Total Electron Content Variations During an HSS/SIR-Driven Geomagnetic Storm at High and Mid Latitudes.  Journal of Geophysical Research: Space Physics. 2024
  Effect of Vertical Shear in the Zonal Wind on Equatorial Electrojet Sidebands: An Observational Perspective Using Swarm and ICON Data.  Journal of Geophysical Research: Space Physics. 2024
  Tidal Control of Equatorial Vertical E x B Drift Under Solar Minimum Conditions.  Geophysical Research Letters. 2024
  
  Quasi 6-Day Planetary Wave Oscillations in Equatorial Plasma Irregularities.  Journal of Geophysical Research: Space Physics. 2024
  Relative Contributions of Field-Aligned Currents and Particle Precipitation to Inter-Hemispheric Asymmetry at High Latitudes During the 2015 St. Patrick's Day Storm.  Journal of Geophysical Research: Space Physics. 2024
  Thank You to Our 2023 Reviewers.  Earth and Space Science. 2024
  The X-Pattern Merging of the Equatorial Ionization Anomaly Crests During Geomagnetic Quiet Time.  Journal of Geophysical Research: Space Physics. 2024
  
  Day-To-Day Variability of the Neutral Wind Dynamo Observed by ICON: First Results From Conjugate Observations.  Geophysical Research Letters. 2024
  
  Responses of the Mean Thermosphere Circulation, O/N₂ Ratio and Ne to Solar and Magnetospheric Forcing From Above and Tidal Forcing From Below.  Journal of Geophysical Research: Space Physics. 2024
  Evening Solar Terminator Waves in Earth's Thermosphere: Neutral Wind Signatures Observed by ICON-MIGHTI.  Journal of Geophysical Research: Space Physics. 2024
  Cross-Validation of the Ionospheric Vertical Drift Measurements Based on ICON/IVM, Swarm, and the Ground-Based Radar at the Jicamarca Radio Observatory.  Space Science Reviews. 2023
  The Ionospheric Connection Explorer-Prime Mission Review.  Space Science Reviews. 2023
  Beyond AMPERE-NEXT: Envisioning the Next System of Global High-Latitude Electrodynamics 2023
  From Mesoscale to Global Scales in Atmosphere-Geospace System: Research Enabled by Exascale Computing 2023
  New observational capabilities for the thermosphere and ionosphere towards understanding the impacts of the lower atmosphere wave forcing 2023
  Next generation electrodynamic model for geospace 2023
  Physics-based Ionosphere-Thermosphere-Mesosphere Modeling: Status and Future Needs 2023
  HSS/CIR driven storm effects on the ionosphere-thermosphere system 2023
  Equinoctial Asymmetry in the Upper Ionosphere: Comparison of Satellite Observations and Models.  Journal of Geophysical Research: Space Physics. 2023
  Delineating the effect of upward propagating migrating solar tides with the TIEGCM-ICON.  Frontiers in Astronomy and Space Sciences. 2023
  
  Cultivating a culture of inclusivity in heliophysics.  Frontiers in Physics. 2023
  
  Inter-hemispheric asymmetries in high-latitude electrodynamic forcing and the thermosphere during the October 8-9, 2012, geomagnetic storm: An integrated data-Model investigation.  Frontiers in Astronomy and Space Sciences. 2023
  
  Plasma-neutral interactions in the lower thermosphere-ionosphere: The need for in situ measurements to address focused questions.  Frontiers in Astronomy and Space Sciences. 2023
  
  Thoughts from a past AGU SPA fellows committee.  Frontiers in Astronomy and Space Sciences. 2022
  
  Recommendations on simple but transformative diversity, equity, and inclusion measures in Heliophysics over the next decade.  Frontiers in Astronomy and Space Sciences. 2022
  
  Assessing the demographics of the 2021 and 2022 CEDAR workshop.  Frontiers in Astronomy and Space Sciences. 2022
  
  Next generation magnetic field measurements from low-earth orbit satellites enable enhanced space weather operations.  Frontiers in Astronomy and Space Sciences. 2022
  
  Seasonal Variations of Medium-Scale Waves Observed by ICON-MIGHTI.  Geophysical Research Letters. 2022
  Assessment of Using Field-Aligned Currents to Drive the Global Ionosphere Thermosphere Model: A Case Study for the 2013 St Patrick's Day Geomagnetic Storm.  Space Weather. 2022
  
  Importance of lower atmospheric forcing and magnetosphere-ionosphere coupling in simulating neutral density during the February 2016 geomagnetic storm.  Frontiers in Astronomy and Space Sciences. 2022
  
  The Joint Study Group 1 (JSG T.27): Coupling processes between Magnetosphere, Ionosphere, and Thermosphere 2022
  Vertical Shears of Horizontal Winds in the Lower Thermosphere Observed by ICON.  Geophysical Research Letters. 2022
  Assessment of using field-aligned currents to drive the Global Ionosphere Thermosphere Model: A case study for the 2013 St Patrick's Day geomagnetic storm 2022
  Total Electron Content Variations during an HSS/CIR driven storm at high and middle latitudes 2022
  Vertical shears of horizontal winds in the lower thermosphere observed by ICON 2022
  Regulation of ionospheric plasma velocities by thermospheric winds.  Nature Geoscience. 893-+. 2021
  
  Data-driven Modeling of the Day-to-Day Variability of the Equatorial Electrojet Using Ground- and Space-based Magnetometer Data 2021
  Impacts of Different Causes on the Inter-Hemispheric Asymmetry of Ionosphere-Thermosphere System at Mid- and High-Latitudes: GITM Simulations.  Space Weather. 2021
  Ionospheric Electrodynamic Response to Solar Flares in September 2017.  Journal of Geophysical Research: Space Physics. 2021
  
  Understanding the Total Electron Content Variability Over Europe During 2009 and 2019 SSWs.  Journal of Geophysical Research: Space Physics. 2021
  Towards probing Earth's upper mantle with daily magnetic field variations: exploring a physics-based parametrization of the source.  Earth, Planets and Space. 2021
  
  ASHLEY: A New Empirical Model for the High-Latitude Electron Precipitation and Electric Field.  Space Weather. 2021
  
  Modelling diurnal variation magnetic fields due to ionospheric currents (Retracted article. See vol. 225, pg. 1062, 2021).  Geophysical Journal International. 1086-1109. 2021
  Large-Scale O⁺ Depletions Observed by ICON in the Post-Midnight Topside Ionosphere: Data/Model Comparison.  Geophysical Research Letters. 2021
  Examining and comparing observed and simulated daytime neutral wind and ionospheric drift variations 2021
  The electrodynamic influence of thermospheric winds in the daytime ionosphere. 2021
  Thank You to Our 2020 Reviewers.  Earth and Space Science. 2021
  
  ASHLEY: A new empirical model for the high-latitude electron precipitation and electric field 2021
  Data-Driven Ensemble Modeling of Equatorial Ionospheric Electrodynamics: A Case Study During a Minor Storm Period Under Solar Minimum Conditions.  Journal of Geophysical Research: Space Physics. 2021
  Control of ionospheric plasma velocities by thermospheric winds 2021
  Electrodynamical Coupling of the Geospace System During Solar Flares.  Journal of Geophysical Research: Space Physics. 2021
  
  Magnetosphere-Ionosphere Coupling via Prescribed Field-Aligned Current Simulated by the TIEGCM.  Journal of Geophysical Research: Space Physics. 2021
  Dipolar elementary current systems for ionospheric current reconstruction at low and middle latitudes.  Earth, Planets and Space. 2020
  
  On the variability of total electron content over Europe during the 2009 and 2019 Northern Hemisphere SSWs 2020
  Ultrafast Kelvin Wave Variations in the Surface Magnetic Field.  Journal of Geophysical Research: Space Physics. 2020
  Challenges to Understanding the Earth's Ionosphere and Thermosphere.  Journal of Geophysical Research: Space Physics. 2020
  
  Dynamics and Electrodynamics of an Ultra-Fast Kelvin Wave (UFKW) Packet in the Ionosphere-Thermosphere (IT).  Journal of Geophysical Research: Space Physics. 2020
  Planetary Wave (PW) Generation in the Thermosphere Driven by the PW-Modulated Tidal Spectrum.  Journal of Geophysical Research: Space Physics. 2020
  Quiet-Time Day-to-Day Variability of Equatorial Vertical E x B Drift From Atmosphere Perturbations at Dawn.  Journal of Geophysical Research: Space Physics. 2020
  Thank You to Our 2019 Reviewers.  Earth and Space Science. 2020
  
  Simulated Trends in Ionosphere-Thermosphere Climate Due to Predicted Main Magnetic Field Changes From 2015 to 2065.  Journal of Geophysical Research: Space Physics. 2020
  
  Impacts of Binning Methods on High-Latitude Electrodynamic Forcing: Static Versus Boundary-Oriented Binning Methods.  Journal of Geophysical Research: Space Physics. 2020
  
  On the Importance of Interactive Ozone Chemistry in Earth-System Models for Studying Mesophere-Lower Thermosphere Tidal Changes during Sudden Stratospheric Warmings.  Journal of Geophysical Research: Space Physics. 10690-10707. 2019
  The nature and origins of the day-to-day variability in Earth's surface magnetic field.  Advances in Space Research. 2012-2025. 2019
  Impacts of Multiscale FACs on the Ionosphere-Thermosphere System: GITM Simulation.  Journal of Geophysical Research: Space Physics. 3532-3542. 2019
  Simulation and Observation of Lunar Tide Effect on High-Latitude, Mesospheric and Lower Thermospheric Winds During the 2013 Sudden Stratospheric Warming Event.  Journal of Geophysical Research: Space Physics. 1283-1291. 2019
  On the relative roles of dynamics and chemistry governing the abundance and diurnal variation of low-latitude thermospheric nitric oxide.  Annales Geophysicae: atmospheres, hydrospheres and space sciences. 37-48. 2019
  
  Evaluating Different Techniques for Constraining Lower Atmospheric Variability in an Upper Atmosphere General Circulation Model: A Case Study During the 2010 Sudden Stratospheric Warming.  Journal of Advances in Modeling Earth Systems. 3076-3102. 2018
  
  On the variability of the semidiurnal solar and lunar tides of the equatorial electrojet during sudden stratospheric warmings.  Annales Geophysicae: atmospheres, hydrospheres and space sciences. 1545-1562. 2018
  
  Small-Scale and Mesoscale Variabilities in the Electric Field and Particle Percipitation and Their Impacts on Joule Heating.  Journal of Geophysical Research: Space Physics. 9862-9872. 2018
  Oscillation of the Ionosphere at Planetary-Wave Periods.  Journal of Geophysical Research: Space Physics. 7634-7649. 2018
  A Comparison of Model-Based Ionospheric and Ocean Tidal Magnetic Signals With Observatory Data.  Geophysical Research Letters. 7257-7267. 2018
  Dependence of Lunar Tide of the Equatorial Electrojet on the Wintertime Polar Vortex, Solar Flux, and QBO.  Geophysical Research Letters. 3801-3810. 2018
  
  Zonally Symmetric Oscillations of the Thermosphere at Planetary Wave Periods.  Journal of Geophysical Research: Space Physics. 4110-4128. 2018
  
  Development and Validation of the Whole Atmosphere Community Climate Model With Thermosphere and Ionosphere Extension (WACCM-X 2.0).  Journal of Advances in Modeling Earth Systems. 381-402. 2018
  
  The Ionospheric Connection Explorer Mission: Mission Goals and Design.  Space Science Reviews. 2018
  
  Examining the Magnetic Signal Due To Gravity and Plasma Pressure Gradient Current With the TIE-GCM.  Journal of Geophysical Research: Space Physics. 12486-12504. 2017
  
  SAMI3_ICON: Model of the Ionosphere/Plasmasphere System.  Space Science Reviews. 731-742. 2017
  Thermosphere-Ionosphere-Electrodynamics General Circulation Model for the Ionospheric Connection Explorer: TIEGCM-ICON.  Space Science Reviews. 523-551. 2017
  Climatology of semidiurnal lunar and solar tides at middle and high latitudes: Interhemispheric comparison.  Journal of Geophysical Research: Space Physics. 7750-7760. 2017
  Impact of the vertical dynamics on the thermosphere at low and middle latitudes: GITM simulations.  Journal of Geophysical Research: Space Physics. 6882-6891. 2017
  Nonmigrating tidal impact on the CO2 15 mu m infrared cooling of the lower thermosphere during solar minimum conditions.  Journal of Geophysical Research: Space Physics. 6761-6775. 2017
  An application of principal component analysis to the interpretation of ionospheric current systems.  Journal of Geophysical Research: Space Physics. 5687-5708. 2017
  F-Region Dynamo Simulations at Low and Mid-Latitude.  Space Science Reviews. 471-493. 2017
  Sq and EEJ-A Review on the Daily Variation of the Geomagnetic Field Caused by Ionospheric Dynamo Currents.  Space Science Reviews. 299-405. 2017
  The F-Region Gravity and Pressure Gradient Current Systems: A Review.  Space Science Reviews. 451-469. 2017
  Observations and simulations of midlatitude ionospheric and thermospheric response to the January 2013 stratospheric sudden warming event.  Journal of Geophysical Research: Space Physics. 8995-9011. 2016
  Impact of semidiurnal tidal variability during SSWs on themean state of the ionosphere and thermosphere.  Journal of Geophysical Research: Space Physics. 8077-8088. 2016
  Ion-neutral coupling effects on low-latitude thermospheric evening winds.  Journal of Geophysical Research: Space Physics. 4638-4646. 2016
  
  Equatorial vertical drift modulation by the lunar and solar semidiurnal tides during the 2013 sudden stratospheric warming.  Journal of Geophysical Research: Space Physics. 1658-1668. 2016
  
  Impact of the semidiurnal lunar tide on the midlatitude thermospheric wind and ionosphere during sudden stratosphere warmings.  Journal of Geophysical Research: Space Physics. 10740-10753. 2015
  Causes of the longitudinal differences in the equatorial vertical E x B drift during the 2013 SSW period as simulated by the TIME-GCM.  Journal of Geophysical Research: Space Physics. 5117-5136. 2015
  Electrodynamics of the equatorial evening ionosphere: 1. Importance of winds in different regions.  Journal of Geophysical Research: Space Physics. 2118-2132. 2015
  Improved short-term variability in the thermosphere-ionosphere-mesosphere-electrodynamics general circulation model.  Journal of Geophysical Research: Space Physics. 2014
  On the day-to-day variation of the equatorial electrojet during quiet periods.  Journal of Geophysical Research: Space Physics. 2014
  Ground magnetic effects of the equatorial electrojet simulated by the TIE-GCM driven by TIMED satellite data.  Journal of Geophysical Research: Space Physics. 3150-3161. 2014
  Impacts of vertically propagating tides on the mean state of the ionosphere-thermosphere system.  Journal of Geophysical Research: Space Physics. 2197-2213. 2014
  TIME- GCM study of the ionospheric equatorial vertical drift changes during the 2006 stratospheric sudden warming.  Journal of Geophysical Research: Space Physics. 1287-1305. 2014
  Impact of tropospheric tides on the nitric oxide 5.3 μm infrared cooling of the low-latitude thermosphere during solar minimum conditions.  Journal of Geophysical Research: Space Physics. 7283-7293. 2013
  Non-migrating tides in the ionosphere-thermosphere: In situ versus tropospheric sources.  Journal of Geophysical Research: Space Physics. 2438-2451. 2013
  The comparative importance of DE3, SE2, and SPW4 on the generation of wavenumber-4 longitude structures in the low-latitude ionosphere during September equinox.  Geophysical Research Letters. 2012
  
  Simulations of solar and lunar tidal variability in the mesosphere and lower thermosphere during sudden stratosphere warmings and their influence on the low-latitude ionosphere.  Journal of Geophysical Research: Space Physics. 2012
  Ionospheric and thermospheric variations associated with prompt penetration electric fields.  Journal of Geophysical Research: Space Physics. 2012
  The role of zonal winds in the production of a pre-reversal enhancement in the vertical ion drift in the low latitude ionosphere.  Journal of Geophysical Research: Space Physics. 2012
  Sources of low-latitude ionospheric E x B drifts and their variability.  Journal of Geophysical Research: Space Physics. 2012
  Forcing the TIEGCM model with Birkeland currents from the Active Magnetosphere and Planetary Electrodynamics Response Experiment.  Journal of Geophysical Research: Space Physics. 2012
  On TIE-GCM simulation of the evening equatorial plasma vortex.  Journal of Geophysical Research: Space Physics. 2012
  The ionospheric gravity and diamagnetic current systems.  Journal of Geophysical Research: Space Physics. 2011
  Longitudinal variations in the F region ionosphere and the topside ionosphere-plasmasphere: Observations and model simulations.  Journal of Geophysical Research: Space Physics. 2011
  Thermosphere extension of the Whole Atmosphere Community Climate Model.  Journal of Geophysical Research: Space Physics. 2010
  
  Variations of the nighttime thermospheric mass density at low and middle latitudes.  Journal of Geophysical Research: Space Physics. 2010
  Simulation of electric field and current during the 11 June 1993 disturbance dynamo event: Comparison with the observations.  Journal of Geophysical Research: Space Physics. 2010
  Modeling of multiple effects of atmospheric tides on the ionosphere: An examination of possible coupling mechanisms responsible for the longitudinal structure of the equatorial ionosphere.  Journal of Geophysical Research: Space Physics. 2010
  Comparison of CHAMP and TIME-GCM nonmigrating tidal signals in the thermospheric zonal wind.  Journal of Geophysical Research: Atmospheres. 2010
  Expert Knowledge and Multivariate Emulation: The Thermosphere-Ionosphere Electrodynamics General Circulation Model (TIE-GCM).  Technometrics. 414-424. 2009
  Impact of electric field variability on Joule heating and thermospheric temperature and density.  Geophysical Research Letters. 2009
  Tropospheric tidal effects on the middle and upper atmosphere.  Journal of Geophysical Research: Space Physics. 2009
  Bayesian calibration of the Thermosphere-Ionosphere Electrodynamics General Circulation Model (TIE-GCM).  Geoscientific Model Development. 137-144. 2009
  Model simulation of the equatorial electrojet in the Peruvian and Philippine sectors.  Journal of Atmospheric and Solar: Terrestrial Physics. 2203-2211. 2008
  Wind dynamo effects on ground magnetic perturbations and vertical drifts.  Journal of Geophysical Research: Space Physics. 2008
  Analysis of thermospheric response to magnetospheric inputs.  Journal of Geophysical Research: Space Physics. 2008
  Connections between deep tropical clouds and the Earth's ionosphere.  Geophysical Research Letters. 2007
  Simulation of equatorial electrojet magnetic effects with the thermosphere-ionosphere-electrodynamics general circulation model.  Journal of Geophysical Research: Space Physics. 2007
  ... more