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University of Colorado/CIRES – NOAA/SWPC NADIR MURI, Boulder, CO, 21-22 October, 2008 Mariangel Fedrizzi, Timothy J. Fuller-Rowell, Tomoko Matsuo Numerical.

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Presentation on theme: "University of Colorado/CIRES – NOAA/SWPC NADIR MURI, Boulder, CO, 21-22 October, 2008 Mariangel Fedrizzi, Timothy J. Fuller-Rowell, Tomoko Matsuo Numerical."— Presentation transcript:

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

2 Coupled Thermosphere Ionosphere Plasmasphere Model with self-consistent Electrodynamics (CTIPe) Global thermosphere 80 - 500 km, solves momentum, energy, composition, etc. V x, V y, V z, T n, O, O 2, N 2, …. High latitude ionosphere 80 -10,000 km, solves continuity, momentum, energy, etc. O +, H +, O 2 +, NO +, N 2 +, N +, V i, T i, …. 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)

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

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

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

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

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

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

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

11 University of Colorado/CIRES – NOAA/SWPC NADIR MURI, Boulder, CO, 21-22 October, 2008 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. GUVI O/N2 Periodicities

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

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

14 Crowley et al., 2008 GUVI Global O/N2 snapshots at 12UT Colour scale: 0.2 – 1.0 CTIPe

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