Dear ARTS community,
In order to perform some sensitivity analysis on ozone retrievals, I would like to artificially modify some absorption lines parameters (e.g. line strength and frequencies) on the ozone line. >From my understanding, this would be the goal of either ones the following >workspace methods: abs_linesChangeBaseParameterForMatchingLines() abs_lines_per_speciesChangeBaseParameterForSpecies() which both require among a QI ("quantum identifier to match the line") parameter. If this is the case, I am not sure about what exactly is this QI and where I can find it (or set it) for a specific absorption line ? I am using ARTS 2.4 (through pyarts) and am defining the spectroscopy by reading the Perrin_newformat_speciessplit/o3-666.xml.gz located in the original ARTS-xml-data folder (2.4) and then uning the abs_lines_per_speciesCreateFromLines() method. Thanks for your help. Best, Eric
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