Graphics Digital Data
Pieter P. Tans and Thomas J. Conway
The sampling site at Cold Bay, Alaska, is operated in cooperation with the U.S. National Weather Service. The NOAA/CMDL flask data from Cold Bay show an increase in the annual atmospheric CO2 mixing ratio from 337.82 parts per million (ppm) in 1979 to 373.86 ppm in 2002.
CITE AS: Tans, Pieter P. and T.J. Conway, 2005. Monthly Atmospheric CO2 Mixing Ratios from the NOAA CMDL Carbon Cycle Cooperative Global Air Sampling Network, 1968-2002. In Trends: A Compendium of Data on Global Change. Carbon Dioxide Information Analysis Center, Oak Ridge National Laboratory, U.S. Department of Energy, Oak Ridge, Tenn., U.S.A.
NOAA CMDL monthly CO2 records | Trends Contents | CDIAC Home