Nearly global measurements of CFC 11 (CFCl 3 ) in the upper troposphere and stratosphere are presented. Data are from the CRyogenic Infrared Spectrometers and Telescopes for the Atmosphere (CRISTA 2) experiment in August 1997. They are the first global CFC 11 data set that covers the altitude regime 8 km to 28 km. A new temperature data product was developed for the CFC 11 retrieval by combining high accuracy of UKMO temperatures with high spatial resolution of CRISTA temperatures. At midlatitudes these t…
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