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Annual-mean year 2005 tropospheric column for: (a) SOCOLv3.0; (b) OMI/MLS observations; (c) The difference between SOCOLv3.0 and OMI/MLS; (d) SOCOLv3.1; (e) The difference between SOCOLv3.1 and SOCOLv3.0; (f) The difference between SOCOLv3.1 and OMI/MLS. The global-mean tropospheric column ozone amount is indicated in the title for (a), (b) and (d).
