This data set was acquired with a ship-based Navigation system during Nathaniel B. Palmer expedition NBP0103 conducted in 2001 (Chief Scientist: Dr. Peter Wiebe). These data files are of SHP format and include Primary Navigation data and were processed after data collection. Data were acquired as part of the project(s): SO GLOBEC: Seabird distribution and abundance, SO GLOBEC: Water-column phytoplankton primary productivity, SO GLOBEC: Zooplankton distribution, abundance in the water column and sea-ice/water column boundary, SO GLOBEC: Water-column nutrient analysis, and SO GLOBEC: Hydrographic modeling, both biological and physical, and funding was provided by NSF grant(s): OPP02-34163, OPP05-23166, OPP05-28728, OPP92-07157, ANT99-10007, OPP99-10096, and OPP99-40880.