Extended Data Fig. 10: A comparison of anthropogenic N2O emissions and atmospheric N2O concentrations in the unharmonized SSPs.
From: A comprehensive quantification of global nitrous oxide sources and sinks

An extension of Fig. 4, in which the emission and concentration data are the same as in Fig. 4. a, Global anthropogenic N2O emissions; b, Global N2O concentrations. The unharmonized emissions from the Integrated Assessment Models (IAMs)104 show a large variation due to different input data and model assumptions. Comparison with Fig. 4b, d illustrates the modifications to the IAM scenario data for use in CMIP6. All baseline scenarios (SSP 3−7.0 and SSP 5−8.5; without climate policy applied) are shown in grey regardless of the radiative forcing level they reach in 2100.