Abstract
A method is described for deriving atmospheric O and H atom density profiles in the mesopause region using ozone υ3 emissions. The 10–12 μm hot band intensity determines the O + O2 + M recombination rate; the nighttime hot band/cold band ratio determines the chemical destruction rate and hence the H atom density. Calibration of the hot band intensity versus O atom density has been accomplished using hot and cold band emissions observed under sunlit conditions. Derived density profiles are presented for the high‐latitude SPIRIT 1 and SPIRE rocket experiments and compared with mass spectrometer/incoherent scatter model predictions.
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