Graphics Digital Data
Pieter P. Tans and Thomas J. Conway
The monitoring site at Ragged Point, Barbados is operated in cooperation with a Private Party. Annual atmospheric CO2 mixing ratios at Ragged Point have risen from 351.57 parts per million (ppm) in 1988 to 373.07 ppm in 2002. The record from Ragged Point exhibits a seasonal cycle with the yearly minimum occurring in September or October and yearly maximum measured during April or May.
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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