摘要：Due to a flaw in our generation of ranked absorption coefficient (k) distributions from line-by-line calculations used to model the gaseous opacity of acetylene, there was a systematic error in the retrieved acetylene abundances and stratospheric temperatures as published. This flaw resulted from insufficient sampling of the narrow Doppler-broadened lines at low pressures in our underlying line-by-line model, prior to re-organization for generating k distributions. While the measured brightness temperatures, modeled emissions, trends with latitude and time, and conclusions drawn therefrom remain unchanged, the precise values of retrieved acetylene and temperatures have changed. The revised values are now provided in Figure 1, correcting Figures 10 and 11 of the original manuscript. The numbers and evaluations provided here should supersede all equivalent values reported in Sections 4.3 and 5.2 of the original text.
