Evaluation of new flux attribution methods for mapping N2O emissions at the landscape scale

Jordan Bureau,Agnès Grossel,Benjamin Loubet,Patricia Laville,Raia Silvia Massad,Edwin Haas,Klaus Butterbach-Bahl,Christophe Guimbaud,Catherine Hénault

Agriculture, Ecosystems & Environment（2017）

Cited 7|Views12

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Abstract

•N2O fluxes measured at different scales agreed in magnitude and temporal dynamics.•New flux attribution methods were developed to map N2O fluxes over the landscape.•Considering only land use as a control factor led to the best flux attribution.•N2O fluxes were driven by soil humidity and nitrate content.•Catch-crop pea and corn fields emitted more N2O than wheat, rapeseed and forest.

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Key words

Greenhouse gas,Chamber measurements,Eddy covariance,Flux attribution method,Land use effect

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