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Numerical simulations of composition changes in the high latitude thermosphere during disturbed conditions

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Figure

Figure 1.1: Temperature structure of the neutral atmosphere. Neutral temperaturesare from the Mass Spectrometer and Incoherent Scatter model [0Hedin, 1991] at 45◦N,◦E for March 21
Figure 1.2: Constituents of the neutral atmosphere. Profiles of the individual speciesare from the Mass Spectrometer and Incoherent Scatter model [0Hedin, 1991] at 45◦N,◦E for March 21 (the F10.7 value was 80).
Figure 1.3: Density structure of the neutral atmosphere. Neutral densities are fromthe Mass Spectrometer and Incoherent Scatter model [March 21
Figure 1.4: Chapman production function for different solar zenith angles. The max-imum energy deposition rate decreases and is shifted to higher altitudes as the pathlength that the radiation must traverse increases.
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