Nitrous oxide emissions are enhanced in a warmer and wetter world.

ABSTRACT: Nitrous oxide (N₂O) has a global warming potential that is 300 times that of carbon dioxide on a 100-y timescale, and is of major importance for stratospheric ozone depletion. The climate sensitivity of N₂O emissions is poorly known, which makes it difficult to project how changing fertilizer use and climate will impact radiative forcing and the ozone layer. Analysis of 6 y of hourly N₂O mixing ratios from a very tall tower within the US Corn Belt-one of the most intensive agricultural regions of the world-combined with inverse modeling, shows large interannual variability in N₂O emissions (316 Gg N₂O-N⋅y^-1 to 585 Gg N₂O-N⋅y^-1). This implies that the regional emission factor is highly sensitive to clima

SUBMITTER: Griffis TJ 

PROVIDER: S-EPMC5692531 | biostudies-literature | 2017 Nov

REPOSITORIES: biostudies-literature