Member Since 1978
Rob F. Pfaff Jr
Space Scientist, NASA Goddard Space Flight Center
AGU Research
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Quantifying Meridional Advection in the Auroral E‐Region For a Range of Geomagnetic Activity Levels
JOURNAL OF GEOPHYSICAL RESEARCH: SPACE PHYSICS
13 february 2025
Rafael Luiz Araujo de Mesquita, Stephen R. Kaepple...
The high‐latitude E‐region wind forcing has been studied extensively at large scales, but studies in auroral‐oval‐width sca...
Measurements from the Dissipation Auroral Sounding Rocket Mission: Estimates of the Interactions between Precipitating Electrons and the Thermosphere
ADVANCES IN UNDERSTANDING THE CHARACTERISTICS OF AURORAL PRECIPITATION AND ITS EFFECTS IN THE IONOSPHERE-THERMOSPHERE SYSTEM II POSTER
spa-aeronomy | 13 december 2024
Lance Davis, James H. Clemmons, Diana Swanson, Meh...
Electron precipitation into the upper atmosphere strongly affects the ionization rate in the thermosphere-ionosphere region, thereby heavily influenci...
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Combining Time-Dependent Electron Transport Calculations with Rocket Measurements to Study Small-Scale Dynamic Precipitation
ADVANCES IN UNDERSTANDING THE CHARACTERISTICS OF AURORAL PRECIPITATION AND ITS EFFECTS IN THE IONOSPHERE-THERMOSPHERE SYSTEM II POSTER
spa-aeronomy | 13 december 2024
Etienne Gavazzi, Andres Spicher, Björn Gustavsson,...
Dynamic, small-scale auroras are commonly associated with Alfven waves. The waves travel along magnetic field lines and accelerate electrons downward ...
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Thermospheric Density and Wind Response to Auroral Activity Observed by the Dissipation Sounding Rocket Mission
ADVANCES IN UNDERSTANDING THE CHARACTERISTICS OF AURORAL PRECIPITATION AND ITS EFFECTS IN THE IONOSPHERE-THERMOSPHERE SYSTEM II POSTER
spa-aeronomy | 13 december 2024
Diana Swanson, James H. Clemmons, Lance Davis, Meh...
The comingled ionosphere/thermosphere (IT) acts as the transition region between Earths atmosphere and space. Auroral precipitation flowing from the m...
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Electron measurements from the Beam-PIE sounding rocket: a comparison of two pitch-angles
ADVANCES IN UNDERSTANDING THE CHARACTERISTICS OF AURORAL PRECIPITATION AND ITS EFFECTS IN THE IONOSPHERE-THERMOSPHERE SYSTEM I ORAL
spa-aeronomy | 12 december 2024
Robert Michell, Marilia Samara, Emma R. Mirizio, E...
The Beam-PIE sounding rocket launched from Poker Flat, AK and passed through a weak auroral event in November 2023. We present electron measurements m...
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Extremely Large Plasma Drifts in the High-Latitude Ionosphere
HIGH-LATITUDE IONOSPHERIC DYNAMICS AND THE IMPACTS OF FORCING FROM ABOVE AND BELOW II POSTER
spa-aeronomy | 11 december 2024
Harri E. Laakso, Robert F. Pfaff
We have recently reported about ~200 fast flow events above 5 km/s in the high-latitude ionosphere measured by the vector electric field double probe ...
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The Impact of Independently Derived Neutral Winds on Ionospheric Frictional Heating
100 YEARS OF <EM>E</EM> LAYER OBSERVATIONS II ORAL
spa-aeronomy | 11 december 2024
Andrew Pepper, Stephen R. Kaeppler, Miguel F. Lars...
The closure of field-aligned currents in the E-region ionosphere is caused by ion-neutral collisions which enable ions to drift perpendicular to the m...
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E x B Plasma Drifts and Ionospheric Currents Observed at Low Latitudes by Instruments on the C/NOFS Satellite
DYNAMICS OF THE THERMOSPHERE AND IONOSPHERE SYSTEM AT LOW, MIDDLE, AND SUBAURORAL LATITUDES DRIVEN BY EXTERNAL AND INTERNAL FORCING II ORAL
spa-aeronomy | 11 december 2024
Robert F. Pfaff, Henry T. Freudenreich
DC electric field observations and associated E x B plasma drifts were measured by the Vector Electric Field Investigation (VEFI) on the Communication...
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