Previous Versions

SOCAT data are released in versions. Each succeeding version contains new data sets as well as updates of older ones. The first version of SOCAT was released in 2011, the second and third version followed biennially. Automation allowed annual public releases since version 4. The latest SOCAT version, version 5, was released in 2017.

 Release Year  # fCO₂ values (millions)  Time span
 Version 5  Data Access  2017  21.5  1957-2017
 Version 4  Data Access  2016  18.5  1957-2015
 Version 3  Data Access  2015  14.5  1957-2014
 Version 2  Data Access  2013  10.1  1968-2011
 Version 1.5  Data Access  2011  6.3  1968-2007

 

Number of surface water fCO2 values per year with flags of A-D in versions 1 to 5 (accuracy < 5 µatm) and with flags of A-E  (accuracy < 10 µatm) in version 5.