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

  • 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 × 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