This data set was acquired with a Sea-Bird SBE-911 CTD during Nathaniel B. Palmer expedition NBP1003 conducted in 2010 (Chief Scientist: Dr. Douglas Nowacek). These data files are of SEASOFT format and include Visible Radiation, Transmissivity, Oxygen, Pressure, Fluorescence, Temperature, Conductivity, and Salinity data and were processed after data collection. Data were acquired as part of the project(s): Collaborative Research: The Ecological Role of a Poorly Studied Antarctic Krill Predator: The Humpback Whale, Megaptera Novaeangliae, and funding was provided by NSF grant(s): ANT07-39483.