Atmospheric carbon dioxide records from sites in the NOAA/CMDL air sampling network

STATION "C"

Trends

The ocean sampling site on Ocean Station "Charlie", in the North Atlantic, was operated in cooperation with NOAA's National Weather Service from November 1968 to May 1973. The annual atmospheric CO₂ mixing ratio at Ocean Station "C" rose from 324.0 parts per million (ppm) in 1969 to 327.5 ppm in 1972.

Atmospheric CO₂ mixing ratios from this North Atlantic site show a seasonal pattern: the annual minimum typically occurs in August; the annual maximum, in April-May.

Station "C", North Atlantic Ocean
Open ocean
54°00; N, 35°00' W
6 m above MSL

Station "C" Graph

Monthly atmospheric CO₂ mixing ratios at Station "C".

Station "C" Table

CO₂ mixing ratios at Station "C".

Access to Digital Data

Station "M" Trends

References

Methods

CITE AS: Conway, T.J., P.P. Tans, and L.S. Waterman. 1994. Atmospheric CO₂ records from sites in the NOAA/CMDL air sampling network. In T.A. Boden, D.P. Kaiser, R.J. Sepanski, and F.W. Stoss (eds.), Trends '93: A Compendium of Data on Global Change. ORNL/CDIAC-65. Carbon Dioxide Information Analysis Center, Oak Ridge National Laboratory, U.S. Department of Energy, Oak Ridge, Tenn., U.S.A.

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Date revised 4/10/95 (gg)