selected publications
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conference proceeding
- GOES observations of solar protons during ground level enhancements. 69-80. 2023
- The Space Environment Sensor Suite for NPOESS (SESS). 105-+. 2006
- An overview of the nadir sensor and algorithms for the NPOESS ozone mapping and profiler suite (OMPS). Proceedings of SPIE. 65-75. 2002
- Limb scatter ozone profiling sensor for the NPOESS ozone mapping and profiler suite (OMPS). Proceedings of SPIE. 13-21. 2002
- Limb broad-band imaging spectrometer for the NPOESS Ozone Mapping and Profiler Suite (OMPS). Proceedings of SPIE. 120-130. 2002
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journal article
- Magnetic Dipolarizations and Energetic Electron Flux Variations at the Nightside Geostationary Orbit. Journal of Geophysical Research: Space Physics. 2024
- Relationship Between GOES-R Series Spacecraft Operational Anomalies and In Situ 30 eV-3-MeV Electron Measurements. IEEE Transactions on Plasma Science. 2024
- Signatures of Dipolarizing Flux Bundles in the Nightside Auroral Zone. Journal of Geophysical Research: Space Physics. 2024
- Turning Noise Into Data: Characterization of the Van Allen Radiation Belt Using SDO Spikes Data. Space Weather. 2023
- Charged Particle Fluxes Associated With CALIPSO Low Laser Energy Shots. IEEE Transactions on Nuclear Science. 2146-2153. 2022
- First Application of a Theoretically Derived Coupling Function in Cosmic-Ray Intensity for the Case of the 10 September 2017 Ground-Level Enhancement (GLE 72). Solar Physics: a journal for solar and solar-stellar research and the study of solar terrestrial physics. 2022
- Observations From NOAA's Newest Solar Proton Sensor. Space Weather. 2021
- Ionospheric and stratospheric electric field responses to an extreme solar energetic particle event 2020
- On-orbit calibration of geostationary electron and proton flux observations for augmentation of an existing empirical radiation model. Journal of Space Weather and Space Climate. 2020
- Very high energy proton peak flux model. Journal of Space Weather and Space Climate. 2020
- Development of a Bowtie Inversion Technique for Real-Time Processing of the GOES-16/-17 SEISS MPS-HI Electron Channels. Space Weather. 2020
- Comparison of Van Allen Probes Energetic Electron Data With Corresponding GOES-15 Measurements: 2012-2018. Journal of Geophysical Research: Space Physics. 9924-9942. 2019
- Proton and Electron Injection Path at Geosynchronous Altitude. Journal of Geophysical Research: Space Physics. 4083-4103. 2019
- Extension of an Empirical Electron Flux Model From 6 to 20 Earth Radii Using Cluster/RAPID Observations. Space Weather. 778-792. 2019
- Validation of Inner Magnetosphere Particle Transport and Acceleration Model (IMPTAM) With Long-Term GOES MAGED Measurements of keV Electron Fluxes at Geostationary Orbit. Space Weather. 687-708. 2019
- Quantification of Energetic Electron Precipitation Driven by Plume Whistler Mode Waves, Plasmaspheric Hiss, and Exohiss. Geophysical Research Letters. 3615-3624. 2019
- Energetic Electron Precipitation: Multievent Analysis of Its Spatial Extent During EMIC Wave Activity. Journal of Geophysical Research: Space Physics. 2466-2483. 2019
- The Space Physics Environment Data Analysis System (SPEDAS). Space Science Reviews. 2019
- Long-Lasting Poloidal ULF Waves Observed by Multiple Satellites and High-Latitude SuperDARN Radars. Journal of Geophysical Research: Space Physics. 8422-8438. 2018
- September 2017's Geoeffective Space Weather and Impacts to Caribbean Radio Communications During Hurricane Response. Space Weather. 1190-1201. 2018
- Impulsively Excited Nightside Ultralow Frequency Waves Simultaneously Observed on and off the Magnetic Equator. Geophysical Research Letters. 7918-7926. 2018
- Understanding the Driver of Energetic Electron Precipitation Using Coordinated Multisatellite Measurements. Geophysical Research Letters. 6755-6765. 2018
- September 2017’s Geoeffective Space Weather and Impacts to Caribbean Radio Communications during Hurricane Response 2018
- September 2017’s Geoeffective Space Weather and Impacts to Caribbean Radio Communications during Hurricane Response 2018
- Cross Calibration of the GPS Constellation CXD Proton Data With GOES EPS. Space Weather. 273-288. 2018
- Onsets of Solar Proton Events in Satellite and Ground Level Observations: A Comparison. Space Weather. 245-260. 2018
- Electron Fluxes at Geostationary Orbit From GOES MAGED Data. Space Weather. 1602-1614. 2017
- Internal Charge Estimates for Satellites in Low Earth Orbit and Space Environment Attribution. IEEE Transactions on Plasma Science. 1985-1997. 2017
- Validation of the effect of cross-calibrated GOES solar proton effective energies on derived integral fluxes by comparison with STEREO observations. Space Weather. 290-309. 2017
- Comparative analysis of NOAA REFM and SNB3GEO tools for the forecast of the fluxes of high-energy electrons at GEO. Space Weather. 22-31. 2016
- An interpretation of spacecraft and ground based observations of multiple omega band events. Journal of Atmospheric and Solar: Terrestrial Physics. 185-204. 2015
- Giant pulsations on the afternoonside: Geostationary satellite and ground observations. Journal of Geophysical Research: Space Physics. 8350-8367. 2015
- Source and seed populations for relativistic electrons: Their roles in radiation belt changes. Journal of Geophysical Research: Space Physics. 7240-7254. 2015
- The evolution of ring current ion energy density and energy content during geomagnetic storms based on Van Allen Probes measurements. Journal of Geophysical Research: Space Physics. 7493-7511. 2015
- Space weather conditions during the Galaxy 15 spacecraft anomaly. Space Weather. 484-502. 2015
- Effects of modeled ionospheric conductance and electron loss on self-consistent ring current simulations during the 5-7 April 2010 storm. Journal of Geophysical Research: Space Physics. 5355-5376. 2015
- POES MEPED differential flux retrievals and electron channel contamination correction. Journal of Geophysical Research: Space Physics. 4596-4612. 2015
- Unraveling the drivers of the storm time radiation belt response. Geophysical Research Letters. 3076-3084. 2015
- Improved Polar and Geosynchronous Satellite Data Sets Available in Common Data Format at the Coordinated Data Analysis Web. Space Weather. 254-256. 2015
- Extreme relativistic electron fluxes at geosynchronous orbit: Analysis of GOES E > 2 MeV electrons. Space Weather. 170-184. 2015
- Spatial structure and temporal evolution of energetic particle injections in the inner magnetosphere during the 14 July 2013 substorm event. Journal of Geophysical Research: Space Physics. 1924-1938. 2015
- Investigation of EMIC wave scattering as the cause for the BARREL 17 January 2013 relativistic electron precipitation event: A quantitative comparison of simulation with observations. Geophysical Research Letters. 8722-8729. 2014
- Event study combining magnetospheric and ionospheric perspectives of the substorm current wedge modeling. Journal of Geophysical Research: Space Physics. 2014
- Meeting Report: Solar Energetic Particle Measurements Intercalibration Workshop, 11 April 2014, Boulder, Colorado. Space Weather. 613-615. 2014
- Electron number density, temperature, and energy density at GEO and links to the solar wind: A simple predictive capability. Journal of Geophysical Research: Space Physics. 4556-4571. 2014
- A statistical approach to determining energetic outer radiation belt electron precipitation fluxes. Journal of Geophysical Research: Space Physics. 3961-3978. 2014
- Competing source and loss mechanisms due to wave-particle interactions in Earth's outer radiation belt during the 30 September to 3 October 2012 geomagnetic storm. Journal of Geophysical Research: Space Physics. 1960-1979. 2014
- On the cause and extent of outer radiation belt losses during the 30 September 2012 dropout event. Journal of Geophysical Research: Space Physics. 1530-1540. 2014
- Solar Energetic Particle Measurements Intercalibration Workshop, 11 April 2014. Space Weather. 129-130. 2014
- Intercalibration of GOES 8-15 solar proton detectors. Space Weather. 92-109. 2014
- Modeling solar proton access to geostationary spacecraft with geomagnetic cutoffs. Advances in Space Research. 1939-1948. 2013
- Case studies of the impact of high-speed solar wind streams on the electron radiation belt at geosynchronous orbit: Flux, magnetic field, and phase space density. Journal of Geophysical Research: Space Physics. 6964-6979. 2013
- Energetic electron precipitation characteristics observed from Antarctica during a flux dropout event. Journal of Geophysical Research: Space Physics. 6921-6935. 2013
- Pulsating auroral electron flux modulations in the equatorial magnetosphere. Journal of Geophysical Research: Space Physics. 4884-4894. 2013
- Auroral forms that extend equatorward from the persistent midday aurora during geomagnetically quiet periods. Journal of Atmospheric and Solar: Terrestrial Physics. 6-24. 2012
- Undulations in MeV solar energetic particle fluxes in Earth's magnetosphere associated with substorm magnetic field reconfigurations. Journal of Geophysical Research: Space Physics. 2012
- The east-west effect in solar proton flux measurements in geostationary orbit: A new GOES capability. Geophysical Research Letters. 2010
- Observations of plasma density structures in association with the passage of traveling convection vortices and the occurrence of large plasma jets. Annales Geophysicae: atmospheres, hydrospheres and space sciences. 1020-1039. 1999