Meta-file for R/V Laurentian CTD 911plus Matthew L Julius Center for Great Lakes and Aquatic Sciences The University of Michigan 726 Dennison Ann Arbor, Michigan 48109 phone: 734-763-0188 fax: e-mail: mjulius@umich.edu Probe Units Ranges Measured Conductivity micro-Siemens/cm 100-1000 uS/cm Flourometer ug/l (chlorophyll-a)linear scale (0-.5) Irradiance quanta/cm^2 * sec 0-7000 Dissolved Oxygenmg/L 0-25 mg/L Transmissometer % Transmittance 0-100% Temperature Degrees C 0-30 C Depth meters (freshwater) Variable pH pH Units 0-14