Environmental Science
4 years ago

Global denitrification doubles, emitting more harmful N2O into atmosphere.

Current Opinion in Environmental Sustainability
Estimating global terrestrial denitrification from measured N2O:(N2O + N2) product ratios
Clemens Scheer, Kathrin Fuchs, David E. Pelster, Klaus Butterbach‐Bahl

Paper Summary

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Global terrestrial denitrification has doubled from pre-industrial times to 2005, reaching 160 Tg-N year−1, due to increased use of nitrogen fertilizers. The ratio of N2O to (N2O + N2) emitted is approximately 0.08. By reviewing existing literature and compiling a global N budget, researchers estimated these values. This information can help in managing nitrogen flows more effectively.