selected publications
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conference proceeding
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GOES observations of solar protons during ground level enhancements.
69-80.
2023
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The Space Environment Sensor Suite for NPOESS (SESS).
105-+.
2006
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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
-
GOES observations of solar protons during ground level enhancements.
69-80.
2023
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journal article
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Solar Wind and Magnetospheric Conditions for Satellite Anomalies Attributed to Shallow Internal Charging.
Space Weather.
2025
-
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.
1610-1618.
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
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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
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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
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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
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Comparison of Van Allen Probes Energetic Electron Data With Corresponding GOES-15 Measurements: 2012-2018.
Journal of Geophysical Research: Space Physics.
9924-9942.
2019
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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
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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
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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
-
Solar Wind and Magnetospheric Conditions for Satellite Anomalies Attributed to Shallow Internal Charging.
Space Weather.
2025