Pieter P. Tans and Thomas J. Conway
1997-2002

The sampling site at Summit, Greenland, is operated in cooperation with the Department of Hydrology and Water Resources, University of Arizona and the National Science Foundation. The NOAA/CMDL flask data from Summit, Greenland reported an annual value of 371.65 parts per million (ppm) in 2001.
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
3/2005