Graphics Digital Data
Pieter P. Tans and Thomas J. Conway
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.
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