Please cite this data set as:

Wanninkhof, R., B. Huss, R. Castle. 2012. Sea Surface and Atmospheric fCO2 data measured 
in the Atlantic Ocean and Caribbean Sea during the cruise ship "Explorer of the Seas" 2012 VOS lines.
http://cdiac.ornl.gov/ftp/oceans/VOS_Explorer_line/EXP2012/. Carbon Dioxide Information Analysis 
Center, Oak Ridge National Laboratory, US Department of Energy, Oak Ridge, Tennessee. 
doi: 10.3334/CDIAC/OTG.VOS_EXP2012