Articles | Volume 14, issue 22
Biogeosciences, 14, 5077–5097, 2017
https://doi.org/10.5194/bg-14-5077-2017
Biogeosciences, 14, 5077–5097, 2017
https://doi.org/10.5194/bg-14-5077-2017

Research article 15 Nov 2017

Research article | 15 Nov 2017

Complex controls on nitrous oxide flux across a large-elevation gradient in the tropical Peruvian Andes

Torsten Diem et al.

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Latest update: 19 Jan 2022
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Short summary
Montane ecosystems in the southern Peruvian Andes were atmospheric sources of the greenhouse gas nitrous oxide, exceeding prior emissions estimates from bottom-up process models. Nitrous oxide flux originated primarily from nitrate reduction. Nitrous oxide fluxes showed an inverse trend with elevation, and only weak evidence of seasonal variability. Nitrous oxide fluxes were influenced by the availability of nitrate and soil moisture content, but were not predicted by inputs of labile carbon.
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