Fig. 5
Examples of temperature profiles over the whole range of temperature profiles retrieved in this study. For the observations at 35°N in March 2009, we show temperature profiles obtained with two different a priori profiles. A priori 1 is a temperature profile measured by Achterberg et al. (2008), while a priori 2 is the profile retrieved from FP4 observations performed at 30°N in June 2009. Black horizontal dashed lines show the sensitivity limits of the FP1 temperature retrievals. Error bars on the profiles do not take into account the errors related to CH4 variations (see Sect. 3.6).
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