Physics
Scientific paper
Aug 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006georl..3315805c&link_type=abstract
Geophysical Research Letters, Volume 33, Issue 15, CiteID L15805
Physics
3
Ionosphere: Equatorial Ionosphere, Ionosphere: Ionospheric Irregularities, Radio Science: Ionospheric Physics (1240, 2400), Radio Science: Tomography And Imaging (7270, 8180), Radio Science: Instruments And Techniques (1241)
Scientific paper
Recently the Global Ultraviolet Imager (GUVI) on-board the Thermosphere Ionosphere Mesosphere Energetics and Dynamics (TIMED) satellite has detected far ultraviolet (FUV) images of plasma depletions in the low-latitude and equatorial ionosphere. A model of GUVI observation geometry was developed to simulate radiance observations of a model ionosphere. We report on results in reconstructing multi-dimensional electron density profiles from GUVI brightness measurements through the use of statistical inversion techniques. These results enable the global observation and characterization of the structure of plasma bubbles and provide a means to quantify the level of depletion in the structures. Results are compared with corresponding JULIA observations for validation. The ability to globally image and characterize equatorial plasma bubbles provides a powerful tool for understanding this elusive space weather phenomenon.
Comberiate Joseph M.
Kamalabadi Farzad
Paxton Larry
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