“Does the polar cap disappear under an extended strong northward IMF?”, Journal of Atmospheric and Solar-Terrestrial Physics, vol. 71, no. 17-18, pp. 2006 - 2012, 2009.
, “Global Ultra-Violet Ionosphere-Thermosphere Observatory (GUVITO)”, in AGU Fall Meeting Abstracts, 2009.
, “Ionospheric dynamics and drivers obtained from a physics-based data assimilation model”, Radio Science, vol. 44, no. 1, p. n/a - n/a, 2009.
, “Observations of the Ionosphere Using the Tiny Ionospheric Photometer”, Terrestrial, Atmospheric and Oceanic Sciences, vol. 20, no. 1, p. 227, 2009.
, “Space-and Ground-Based Observations of Solar Cycle and Local Time Dependence of Equatorial Plasma Bubble Activity”, in AGU Fall Meeting Abstracts, 2009.
, “Visualization and Analysis of Spectrograph-mode Data Products from Far Ultraviolet Scanning Imaging Sensors”, in AGU Fall Meeting Abstracts, 2009.
, “Accuracy of USU-GAIM specifications of foF2 and M (3000) F2 for a worldwide distribution of ionosonde locations”, Radio Science, vol. 43, 2008.
, “Challenges of Validating Global Assimilative Models of the Ionosphere”, in AGU Fall Meeting Abstracts, 2008.
, “Current and Future Development of the Operational Global Assimilation of Ionospheric Measurements (GAIM)”, in AGU Fall Meeting Abstracts, 2008.
, “An empirical Kp-dependent global auroral model based on TIMED/GUVI FUV data”, Journal of Atmospheric and Solar-Terrestrial Physics, vol. 70, no. 8-9, pp. 1231 - 1242, 2008.
, “Evidence for significantly greater N 2 Lyman-Birge-Hopfield emission efficiencies in proton versus electron aurora based on analysis of coincident DMSP SSUSI and SSJ/5 data”, Journal of Geophysical Research, vol. 113, no. A4, 2008.
, “The high-latitude thermospheric mass density anomaly: A historical review and a semi-empirical model”, Journal of Atmospheric and Solar-Terrestrial Physics, vol. 70, no. 5, pp. 794 - 802, 2008.
, “Interplanetary shock induced ring current auroras”, Journal of Geophysical Research, vol. 113, no. A1, 2008.
, “Ionosphere-thermosphere perturbations due to lower atmospheric waves”, in 37th COSPAR Scientific Assembly, 2008.
, “Wave Coupling Between the Lower and Upper Atmospheres”, in AGU Fall Meeting Abstracts, 2008.
, “Enhanced Global Coverage of the Thermosphere and Ionosphere: Adding New UV data (DMSP/SSUSI) to the TIMED/GUVI Database”, in AGU Fall Meeting Abstracts, 2007.
, , , “A Thermosphere-Ionosphere Data Assimilation Model Component for a Seamless Ocean-Atmosphere Model”, in Fourth Symposium on Space Weather, 2007.
, “Thermospheric Density Model Including Magnetospheric Energy Sources at Quiet Times”, Advances in the Astronautical Sciences, vol. 127, pp. 1273–1284, 2007.
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“Analyses of solar activity effects on the low-latitude ionosphere”, in AGU Fall Meeting Abstracts, 2006.
, “First Observations of the Ionosphere using the Tiny Ionospheric Photometer”, in AGU Fall Meeting Abstracts, 2006.
, “New satellite drag modeling capabilities”, in 44th AIAA Aerospace Sciences Meeting and Exhibit, 2006.
, “{TIMED/GUVI and DMSP/SSUSI - Data Products for Space Weather}”, AGU Fall Meeting Abstracts, p. A1367, 2006.
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