Extended Data Table 1 Water mass definitions
From: Southern Ocean freshening stalls deep ocean CO2 release in a changing climate
Section | Date | Winter Water | Upper Circumpolar Deep Water | ||
|---|---|---|---|---|---|
Temperature | Salinity | Temperature | Salinity | ||
S04I | January 2013 | T < -1.5 | T > 1.5 | S > 34.5 | |
P16S | April 2014 | T < -1.3 | S > 34 | S > 34.68 | |
A12 | December 2014 | T < -1.5 | T > 0.7 | S > 34.68 | |
I08S | February 2016 | T < -1 | S > 34.6 | ||
P18 | Dec 2016 / Jan 2017 | T < -1.3 | S > 34.65 | ||
S04P | March 2018 | T < -1.5 | S > 33.9 | T > 1.5 | S > 34.5 |
I06S | April/May 2019 | T < -1.3 | S > 34.65 | ||