Figure 13.

Example of MUSICA MetOp/IASI {q,δD} pair observations in the middle troposphere during a single morning overpass (at about 10 local time). Left: daily δD morning overpass map (similar coverage is achieved for an evening overpass at about 22 local time). Right: distinct {q,δD} pair distributions observed in the four different regions as marked by reddish color in the left map. The black lines envelop the {q,δD} area with the highest data point density and with 66% of all data points. N gives the number of individual observations in each region. The blue line is an exemplary Rayleigh curve (same as in Figure 8). For more details please refer to Schneider et al. [2016].