This data set was acquired with a Sea-Bird Electronics SBE-9Plus CTD during R/V Laurence M. Gould expedition LMG1801 conducted in 2017 (Chief Scientist: Dr. William Fraser, Investigator: Dr. William Fraser). These data files are of Sea-Bird CTD format and include Conductivity, Pressure and Temperature data that were processed after acquisition. Data were acquired as part of the project(s): LTER Palmer, Antarctica (PAL): Land-Shelf-Ocean Connectivity, Ecosystem Resilience and Transformation in a Sea-Ice Influenced Pelagic Ecosystem. Funding was provided by NSF award(s): PLR14-40435.