CTD asc files contain CTD primary & secondary (when installed) oxygen measurements in umoles/kg. These data were not included in the CTD-bottle data merged csvs. With the mandate to include oxygen in umoles/kg as part of our dataset, these columns are now included in the ctd.csvs. Eight additional columns have been added: Ox1uM, Ox1uM_CruiseCorr, Ox1uM_StaCorr, Ox2uM, Ox2uM_CruiseCorr, Ox2uM_StaCorr, OxuMAve_StaCorr, plus the OxBuM column for the bottle value.

Reporting of bottle oxygens in umoles/kg should begin on CalCOFI 1301SH (Jan 2013). With the addition of bottle oxygens in umoles/kg, bottle-corrected CTD oxygens in umoles/kg will populate the ctd.csvs. These data will be archive with final data.

CalCOFI started running oxygens with the ODF auto-titrator in Oct 2003 so it may be possible to generate umoles/kg values from archived runs as time permits (which it rarely does). Further investigation of this possibility is necessary ie whether older cruise bottle oxygens can be reprocessed to umoles/kg easily.