GUVI Biblio


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Found 6 entries in the Bibliography.

Showing entries from 1 through 6


Observations of Spatial Variations in O/N 2 During an Auroral Substorm Using the Multichannel Downlooking Camera on the VISIONS Rocket

At 0821 UT on 7 February 2013, during an auroral substorm, the NASA VISIONS rocket was launched northward from Poker Flat Research Range on a flight to approximately 750-km altitude that terminated in the Arctic Ocean. A subpayload jettisoned on the up leg carried a multichannel optical imager that looked downward and observed the auroral emission through four narrow passband filters. Three of the channels had sufficiently strong signal to allow a measure of the time evolution of the horizontal extent of the electron auro ...

Hecht, J.; Clemmons, J.; Conde, M.; Hampton, D.; Michell, R.; Rowland, D.; Pfaff, R.; Walterscheid, R.;

Published by: Journal of Geophysical Research: Space Physics      Published on: 07/2018

YEAR: 2018     DOI: 10.1029/2018JA025288


Ion-neutral coupling during deep solar minimum

The equatorial ionosphere under conditions of deep solar minimum exhibits structuring due to tidal forces. Data from instruments carried by the Communication/Navigation Outage Forecasting System (C/NOFS) which was launched in April 2008 have been analyzed for the first 2 years following launch. The Planar Langmuir Probe (PLP), Ion Velocity Meter (IVM) and Vector Electric Field Investigation (VEFI) all detect periodic structures during the 2008\textendash2010 period which appear to be tides. However when the tidal features ...

Huang, Cheryl; Roddy, Patrick; Sutton, Eric; Stoneback, Russell; Pfaff, Robert; Gentile, Louise; Delay, Susan;

Published by: Journal of Atmospheric and Solar-Terrestrial Physics      Published on: 10/2013

YEAR: 2013     DOI: 10.1016/j.jastp.2012.11.009

Equatorial ionosphere; Nonmigrating tides; Plasma depletions; thermosphere


Longitudinal differences of ionospheric vertical density distribution and equatorial electrodynamics

Accurate estimation of global vertical distribution of ionospheric and plasmaspheric density as a function of local time, season, and magnetic activity is required to improve the operation of space-based navigation and communication systems. The vertical density distribution, especially at low and equatorial latitudes, is governed by the equatorial electrodynamics that produces a vertical driving force. The vertical structure of the equatorial density distribution can be observed by using tomographic reconstruction techni ...

Yizengaw, E.; Zesta, E.; Moldwin, M.; Damtie, B.; Mebrahtu, A.; Valladares, C.; Pfaff, R.;

Published by: Journal of Geophysical Research      Published on: 07/2012

YEAR: 2012     DOI: 10.1029/2011JA017454

Tomography; vertical drift


Space-based research into the ionosphere-thermosphere system: The need for greater organization and a plan for achieving it

Clemmons, JH; Crowley, G; Heelis, RA; Mannucci, AJ; Paxton, LJ; Pfaff, RF; Spann, JF;

Published by:       Published on:

YEAR: 2007     DOI:


Implications of Auroral Electron Precipitation During the JOULE Experiment

Slocum, PL; Clemmons, JH; Hecht, JH; Larsen, MF; Pfaff, RF; Steigies, CT; Stenbaek-Nielsen, HC; Strickland, DJ;

Published by:       Published on:

YEAR: 2005     DOI:


The Interaction of Auroral Electron Precipitation with the Thermosphere During the JOULE Experiment

Slocum, PL; Clemmons, JH; Hecht, JH; Pfaff, RF; Steigies, CT; Larsen, MF; Strickland, DJ;

Published by:       Published on:

YEAR: 2004     DOI: