greenhouse_gases | R Documentation |
Concentrations of the three main greenhouse gases carbon dioxide, methane and nitrous oxide. Measurements are from the Law Dome Ice Core in Antarctica. Selected measurements are provided every 20 years from 1-2000 CE.
greenhouse_gases
An object of class "data.frame"
.
year. Year (CE).
gas. Gas being measured: carbon dioxide ('CO2'), methane ('CH4') or nitrous oxide ('N2O').
concentration. Gas concentration in ppm by volume ('CO2') or ppb by volume ('CH4', 'N2O').
MacFarling Meure et al. 2006 via NOAA.
head(greenhouse_gases)
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