Parameter: sigma_1000

potential density at 1000 decibars (For more on potential density, see How do we measure the density of sea water?)

Dataset	PI-Supplied Description	PI-Supplied Name
Processed one meter (decibar) CTD data from RVIB Nathaniel B. Palmer cruises NBP0103, NBP0104, NBP0202, and NBP0204 in the Southern Ocean from 2001-2002 (SOGLOBEC project)	potential density at 1000 decibars	sigma_1000
Processed standard depth (pressure) CTD data from SOGLOBEC survey cruises on RVIB Nathaniel B. Palmer - NBP0103; NBP0104; NBP0202; NBP0204 - in the Southern Ocean from 2001-2002 (SOGLOBEC project)	potential density at 1000 decibars	sigma_1000