RV Meteor Cruise M85/1 Brest - St. John's 24th June - 02nd August Chief Scientist: Dagmar Kieke Region: Subpolar North Atlantic Bottle data PI: Dagmar Kieke, Reiner Steinfeldt Instrument: SBE 9 plus CTD, SBE 11 plus deck unit, SBE 43 dissolved oxygen sensor Accuracy: < 1 dbar for pressure, 0.001 °C for temperature, <0.003 for salinity, <2.0 µmol/kg for CTD-oxygen Bottle oxygen: measured by Winkler titration, precision 1 µmol/kg CFC-11, CFC-12: Measurement technique: capillary-chrmatographic system with electron capture detector, described in: Bulsiewicz, K., H. Rose, O. Klatt, A. Putzka, and W. Roether (1998), A capillary-column chromatographic system for efficient chlorofluorocarbon measurement in ocean waters, J. Geophys, Res., 103, 15959-15970. Scale: SIO98 Accuracy: 2%