Graphics Digital Data
Pieter P. Tans and Thomas J. Conway
The sampling site on the eastern end of the island of Bermuda at St. David's Head is operated in cooperation with the Bermuda Biological Station. The first NOAA/CMDL flask air samples from St. David's Head were collected in early 1989. Since 1990, annual mixing ratios have risen from 354.92 parts per million (ppm) to 373.97 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.
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