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

CHRISTMAS ISLAND

Trends

The NOAA/CMDL sampling site on Christmas Island, located in the Kiribati island group in the western Pacific Ocean, is operated in cooperation with the Scripps Institution of Oceanography. The NOAA/CMDL flask data from Christmas Island show an increase in the annual atmospheric CO₂ mixing ratio from 346.0 parts per million (ppm) in 1985 to 356.5 ppm in 1992, or 1.5 ppm per year.

Christmas Island, Kiribati
Pacific Ocean island seashore
2°00' N, 157°18' W
3 m above MSL

Christmas Island Graph

Monthly atmospheric CO₂ mixing ratios at Christmas Island.

Christmas Island Table

CO₂ mixing ratios at Christmas Island (ppm)

Access to Digital Data

Cold Bay 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) .