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University of Colorado/CIRES – NOAA/SWPC NADIR MURI, Boulder, CO, 21-22

Numerical Modeling of Neutral Density and Composition for 2005. Mariangel Fedrizzi, Timothy J. Fuller-Rowell, Tomoko Matsuo. University of Colorado/CIRES – NOAA/SWPC. Mihail Codrescu. NOAA/SWPC.

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University of Colorado/CIRES – NOAA/SWPC NADIR MURI, Boulder, CO, 21-22

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  1. Numerical Modeling of Neutral Density and Composition for 2005 Mariangel Fedrizzi, Timothy J. Fuller-Rowell, Tomoko Matsuo University of Colorado/CIRES – NOAA/SWPC Mihail Codrescu NOAA/SWPC University of Colorado/CIRES – NOAA/SWPC NADIR MURI, Boulder, CO, 21-22 October, 2008

  2. Coupled Thermosphere Ionosphere Plasmasphere Modelwith self-consistent Electrodynamics (CTIPe) • Global thermosphere 80 - 500 km, solves momentum, energy, composition, etc. Vx, Vy, Vz, Tn, O, O2, N2, …. • High latitude ionosphere 80 -10,000 km, solves continuity, momentum, energy, etc. O+, H+, O2+, NO+, N2+, N+, Vi, Ti, …. • Plasmasphere, and mid and low latitude • ionosphere • Self-consistent electrodynamics • Forcing: solar UV and EUV, Weimer • electric field, TIROS/NOAA auroral • precipitation, tidal forcing University of Colorado/CIRES – NOAA/SWPC NADIR MURI, Boulder, CO, 21-22 October, 2008

  3. Halloween Storm (2003) University of Colorado/CIRES – NOAA/SWPC NADIR MURI, Boulder, CO, 21-22 October, 2008

  4. Halloween Storm (2003) • Empircal NO model: Marsh et al. 2004 • Based on SNOE data • EOFs • Dependent on EUV, season, auroral activity, height, and latitude University of Colorado/CIRES – NOAA/SWPC NADIR MURI, Boulder, CO, 21-22 October, 2008

  5. Weimer 2005: electric field patterns driven by solar wind data (e.g., IMF, SW vel., SW den.), 1 min. input (database). Halloween Storm (2003) • Empircal NO model: Marsh et al. 2004 • Based on SNOE data • EOFs • Dependent on EUV, season, auroral activity, height, and latitude University of Colorado/CIRES – NOAA/SWPC NADIR MURI, Boulder, CO, 21-22 October, 2008

  6. Weimer 2005: electric field patterns driven by solar wind data (e.g., IMF, SW vel., SW den), 1 min. input (database). Halloween Storm (2003) • Empircal NO model: Marsh et al. 2004 • Based on SNOE data • EOFs • Dependent on EUV, season, auroral activity, height, and latitude University of Colorado/CIRES – NOAA/SWPC NADIR MURI, Boulder, CO, 21-22 October, 2008

  7. Neutral Density: Jan-Apr 2005 University of Colorado/CIRES – NOAA/SWPC NADIR MURI, Boulder, CO, 21-22 October, 2008

  8. CHAMP Neutral Density Periodicities Lei et al., 2008 University of Colorado/CIRES – NOAA/SWPC NADIR MURI, Boulder, CO, 21-22 October, 2008

  9. CHAMP Neutral Density Periodicities Lei et al., 2008 University of Colorado/CIRES – NOAA/SWPC NADIR MURI, Boulder, CO, 21-22 October, 2008

  10. CTIPe CHAMP Lei et al., 2008 University of Colorado/CIRES – NOAA/SWPC NADIR MURI, Boulder, CO, 21-22 October, 2008

  11. GUVI O/N2 Periodicities Crowley et al., 2008 FIGURE 3: (a) raw GUVI ΣO/ N2 ratio as a function of latitude and time for the first 100 days of 2005, with Kp superposed (black line); (b) Residuals 10° latitude bands after bandpass filtering and removal of the of 11-day running mean, expressed as a percentage of the running mean values. Broken line shows Kp after similar bandpass filtering. University of Colorado/CIRES – NOAA/SWPC NADIR MURI, Boulder, CO, 21-22 October, 2008

  12. GUVI Crowley et al., 2008 CTIPe Preliminary Results University of Colorado/CIRES – NOAA/SWPC NADIR MURI, Boulder, CO, 21-22 October, 2008

  13. University of Colorado/CIRES – NOAA/SWPC NADIR MURI, Boulder, CO, 21-22 October, 2008

  14. GUVI Crowley et al., 2008 Global O/N2 snapshots at 12UT Colour scale: 0.2 – 1.0 CTIPe University of Colorado/CIRES – NOAA/SWPC NADIR MURI, Boulder, CO, 21-22 October, 2008

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