NBP09-01 Cruise Report - British Oceanographic Data Centre

Primary-Secondary O2 sensor difference through station 1600.60.40.2mL/L dissolved oxygen0-0.2-0.4-0.6-0.8-10 20 40 60 80 100 120 140 160station numberFigure 6: Ox1 minus Ox2 sensor values versus CTD station number. Note significant errors between CTDstations 4 to 23, and 160.Primary O2 sensor minus titrated (purple) Secondary minus titrated (blue)0.200.00difference in dissolved O2 values (mL/L)-0.20-0.40-0.60-0.80-1.000 20 40 60 80 100 120 140 160station numberFigure 7: Titrated dissolved oxygen values minus Ox1 and Ox2 sensor values versus CTD station number.Outliers have been removed.NBP09-01 Cruise Report (p. 12 of 83) Revised February 27, 2009