This data set was acquired with a Sea-Bird Electronics SBE-911+ CTD during R/V Nathaniel B. Palmer expedition NBP1609 conducted in 2016 (Chief Scientist: Dr. Sébastien Bigorre, Investigator: Dr. Sébastien Bigorre). These data files are of Sea-Bird CTD format and include Conductivity, Oxygen, Pressure and Temperature data that have not been processed.