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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 Modeling of Neutral Density and Composition for 2005
University of Colorado/CIRES – NOAA/SWPC
Mihail CodrescuNOAA/SWPC
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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
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University of Colorado/CIRES – NOAA/SWPC NADIR MURI, Boulder, CO, 21-22 October, 2008
Halloween Storm (2003)
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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
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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).
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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).
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University of Colorado/CIRES – NOAA/SWPC NADIR MURI, Boulder, CO, 21-22 October, 2008
Neutral Density: Jan-Apr 2005
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University of Colorado/CIRES – NOAA/SWPC NADIR MURI, Boulder, CO, 21-22 October, 2008
Lei et al., 2008
CHAMP Neutral Density Periodicities
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University of Colorado/CIRES – NOAA/SWPC NADIR MURI, Boulder, CO, 21-22 October, 2008
Lei et al., 2008
CHAMP Neutral Density Periodicities
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University of Colorado/CIRES – NOAA/SWPC NADIR MURI, Boulder, CO, 21-22 October, 2008
Lei et al., 2008
CTIPeCHAMP
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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
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University of Colorado/CIRES – NOAA/SWPC NADIR MURI, Boulder, CO, 21-22 October, 2008
Crowley et al., 2008GUVI
CTIPePreliminary Results
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University of Colorado/CIRES – NOAA/SWPC NADIR MURI, Boulder, CO, 21-22 October, 2008
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University of Colorado/CIRES – NOAA/SWPC NADIR MURI, Boulder, CO, 21-22 October, 2008
Crowley et al., 2008GUVI
Global O/N2 snapshots at 12UTColour scale: 0.2 – 1.0CTIPe