Research Article

Operational Monitoring of Trace Gases over the Mediterranean Sea

Figure 1

Flow chart of -IASI. The acronym SA stands for scene analysis and its output CF stands for cloud flag. stands for the thermodynamic state of the atmosphere (, , H2O, O3) while the subscript is the acronym for first guess. FTS-PSI stands for Fourier transform spectroscopy with partially scanned interferogram. Finally the acronym TG stands for trace gases. The double-way arrows connecting the modules EOF, -IASI, and FTS-PSI with -IASI mean that all these modules use the -IASI code as a subroutine.