This data set was acquired with a ship-based Fluorometer, Navigation system, Meteorological Sensor, Thermosalinograph, and Echosounder Sonar during Nathaniel B. Palmer expedition NBP1202 conducted in 2012 (Chief Scientist: Dr. Harold Owen). These data files are of JGOFS format and include Temperature, Salinity, Fluorescence, Meteorological, Infrared Radiation, Bathymetry, Conductivity, Visible Radiation, and Navigation data. This data set was created from calibrated data decimated at 1-minute intervals. Several fields are derived measurements from more than a single raw input.