Global atmospheric concentration of CO2

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Global atmospheric concentration of CO2. Atmospheric CO2 has increased from a pre-industrial concentration of about 280 ppmv to about 367 ppmv at present (ppmv= parts per million by volume). CO2 concentration data from before 1958 are from ice core measurements taken in Antarctica and from 1958 onwards are from the Mauna Loa measurement site. The smooth curve is based on a hundred year running mean. It is evident that the rapid increase in CO2 concentrations has been occurring since the onset of industrialization. The increase has closely followed the increase in CO2 emissions from fossil fuels.

Sources

TP Whorf Scripps, Mauna Loa Observatory, Hawaii, Institution of Oceanography (SIO), University of California La Jolla, California, United States, 1999

Link to web-site

http://www.grida.no/publications/vg/climate/page/3062.aspx

Cartographer/
Designer

UNEP/GRID-Arendal

Appears in

Vital Climate Graphics

Published

2000

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