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Stratospheric NO and NO<sub>2</sub> Abundances from ATMOS Solar-Occultation Measurements

Stratospheric NO and NO<sub>2</sub> Abundances from ATMOS Solar-Occultation Measurements

Newchurch, M. J.; Allen, M.; Gunson, M. R.; Salawitch, R. J.; Collins, G. B.; Huston, K. H.; Abbas, M. M.; Abrams, M. C.; Chang, A. Y.; Fahey, D. W.; Gao, R. S.; Irion, F. W.; Lowenstein, M.; Manney, G. L.; Michelsen, H. A.; Podolske, J. R.; Rinsland, C. P.; Zander, R.
URI: http://hdl.handle.net/2014/23831
Date: 1996

Abstract:

Using results from a time-dependent photochemical model to calculate the diurnal variation of NO and NO<sub>2</sub>, we have corrected Atmospheric Trace Molecule Spectroscopy (ATMOS) solar-occultation retrievals of the NO and NO<sub>2</sub> abundances at 90 solar zenith angle. Neglecting to adjust for the rapid variation of these gases across the terminator results in potential errors in retrieved profiles of approx. 20 percent for NO<sub>2</sub> and greater than 100 percent for NO at altitudes below 25 KM.

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