This accession contains data from 84 high resolution CTD stations, collected 26 Dec 1999 to 8 Feb 2000 by the R/V Nathaniel B Palmer. These data support the Antarctic Pack Ice Seals (APIS) project, funded by the US National Science Foundation grant #OPP9816086. Data were acquired using a SeaBird 911plus CTD and processed by the data originator with SeaBird data processing software. File format information, contact information for the Principal Investigators, and other important metadata are available in the file data/0-data/Readme.