Please cite this data set as:

Keeling, C.D., L. S. Waterman, P. P. Tans and T. Aten. 2016. Quasi-simultaneous CO2 Measurements in 
the Atmosphere and Surface Ocean Waters from Scripps Institution of Oceanography’s R/Vs Downwind, Monson, and 
Lusaid Expeditions 1957-1963. http://cdiac.esd.ornl.gov/ftp/oceans/Keeling_1957_1963/. Carbon Dioxide 
Information Analysis Center, Oak Ridge National Laboratory, US Department of Energy, Oak Ridge, Tennessee. 
doi: 10.3334/CDIAC/otg.Keeling_1957_1963
