Monthly atmospheric CO2 record from Palmer Station, Antarctica, U.S.A.

Graphics Digital Data

Pieter P. Tans and Thomas J. Conway

NOAA Climate Monitoring and Diagnostics Laboratory, Boulder, Colorado 80305, U.S.A.

Period of Record


Palmer Station, Antarctica, U.S.A.
Barren island seashore
64°92' S, 64°00; W
10 m above MSL


The NOAA/CMDL sampling site at Palmer Station, Antarctica is operated in cooperation with the National Science Foundation. The NOAA/CMDL flask data from Palmer Station show an increase in the annual atmospheric CO2 mixing ratio from 333.96 parts per million (ppm) in 1978 to 370.75 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