Trends in Atmospheric Carbon Dioxide, ftp archive

External Data Spec Published 22 Nov 2012
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National Oceanic and Atmospheric Administration (NOAA)
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ftp://aftp.cmdl.noaa.gov/data/

Related content

Interactive charts

Contribution of different greenhouse gases to the overall greenhouse gas concentration
Observed trends in total greenhouse gas concentrations
Observed trends in total global greenhouse gas concentrations including aerosols
Atmospheric concentration of carbon dioxide, methane and nitrous oxide
Atmospheric concentration of carbon dioxide, methane and nitrous oxide
Contribution of different greenhouse gases to the overall greenhouse gas concentration
Observed trends in total global greenhouse gas concentrations, considering all greenhouse gases (incl. aerosols).
Observed trends in total global concentration of the Kyoto gases
Atmospheric concentration of Carbon Dioxide, Methane and Nitrous Oxide.
Contribution of the different GHGs to the overall greenhouse gas concentration.
Observed trends in total global greenhouse concentrations, considering all greenhouse gases (incl. aerosols).
Observed trends in total global concentration of the Kyoto gases

Produced figures

Atmospheric concentration of Carbon Dioxide (ppm) The figure shows the global atmospheric concentration of carbon dioxide up to 2010. The value for 2011 is 390.9 ppm but is not included in the chart to ensure consistency with the other greenhouse gas figures.
Contribution of the different GHGs to the overall greenhouse gas concentration in 1950, 1990 and 2010 Contribution of the different GHGs as included in the Kyoto and Montreal protocol to the overall greenhouse gas concentration in 1950, 1990 and 2010.
Observed trends in total global greenhouse concentrations, considering all greenhouse gases (incl. aerosols) for 1970-2010 The figure shows the total global concentration of Kyoto protocol Gases (KPG), gases under the Montreal Protocol (MPG) and non-protocol related gases (NPG). NPGs contribute negatively, as they have an overall cooling effect, whereas the other gases contribute positively. The threshold concentration range is based on a 50% probability of exceeding 2 degree Celsius temperature increase, given different models and scenarios.
Observed trends in total global concentration of the Kyoto gases, 1850-2010 Data expressed in CO2-equivalent (see CSI013 justification for explanation). The threshold concentration range is based on a 50% probability of exceeding 2 degree Celsius temperature increase, given different models and scenarios.
Atmospheric concentration of N2O (ppb) The concentrations of the individual GHGs under the Kyoto protocol have reached new highs in 2009 The figure shows the atmospheric concentration of N2O
Atmospheric concentration of CH4 (ppb) The figure shows the atmospheric concentration of CH4
Atmospheric concentration of CO2 (ppm) The figure shows the atmospheric concentration of CO2
Contribution of the different GHGs as included in the Kyoto and Montreal protocol to the overall greenhouse gas concentration in 1950, 1990 and 2009 The size of the pies depicts the size of the relative increase in GHG concentration
Observed trends in total greenhouse concentrations, considering all greenhouse gases (incl. aerosols) The concentrations of the individual GHGs under the Kyoto protocol have reached new levels in 2009. The figure shows the aggregated total of Kyoto protocol Gases (KPG), gases under the Montreal Protocol (MPG) and non-protocol related gases (NPG). NPGs contribute negatively, as they have an overall cooling effect, whereas the other gases contribute positively.
Observed trends in the Kyoto gases Data expressed in CO2-equivalents (see indicator CSI013 rationale  for explanation). The threshold concentration range is based on a 50% probability of exceeding 2 degree Celsius temperature increase, given different models and scenarios.

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