Abstract
AbstractWe present a new atomic oxygen data set based on Scanning Imaging Absorption Spectrometer for Atmospheric CHartographY (SCIAMACHY) hydroxyl short‐wave infrared data. The OH spectra stem from the OH(9‐6) ro‐vibrational transition. These data and atomic oxygen obtained from SCIAMACHY O(1S) green line measurements, which is an independent data set in terms of methodology and radiometry, typically agree within 10–20%. This confirms the corresponding models of OH and O(1S), in particular, the relevance of the reaction between atomic oxygen and ozone in the photochemical model. The agreement between the SCIAMACHY data and the most recent Sounding of the Atmosphere using Broadband Emission Radiometry (SABER) atomic oxygen data set of Mlynczak et al. (2018, https://doi.org/10.1029/2018GL077377) is significantly better than for the previous SABER data set of Mlynczak et al. (2013, https://doi.org/10.1002/jgrd.50401). The agreement decreases if the SCIAMACHY forward model parameters are applied to SABER data. A similar agreement is achieved with the data of Panka et al. (2018, https://doi.org/10.1029/2018GL077677), which was retrieved from SABER data using a principally different retrieval approach.
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