This data set was acquired with a Sea-Bird SBE-9 CTD during Nathaniel B. Palmer expedition NBP0902 conducted in 2009 (Chief Scientist: Dr. Ken L. Smith). These data files are of SEASOFT format and include Salinity, Visible Radiation, Transmissivity, Fluorescence, Oxygen, Pressure, Temperature, and Conductivity data and were processed after data collection. Data were acquired as part of the project(s): Free drifting icebergs: Influence of floating islands on pelagic ecosystems in the Weddell Sea, and funding was provided by NSF grant(s): ANT06-50034.