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| Hauptseite > Publikationsdatenbank > Site-specific 15N isotopic signatures of abiotically produced N$_{2}$O > print |
| Hauptseite > Publikationsdatenbank > Site-specific 15N isotopic signatures of abiotically produced N$_{2}$O > print |
| 001 | 153891 | ||
| 005 | 20220930130029.0 | ||
| 024 | 7 | _ | |a 10.1016/j.gca.2014.04.037 |2 doi |
| 024 | 7 | _ | |a 0016-7037 |2 ISSN |
| 024 | 7 | _ | |a 1872-9533 |2 ISSN |
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| 037 | _ | _ | |a FZJ-2014-03362 |
| 082 | _ | _ | |a 550 |
| 100 | 1 | _ | |a Heil, Jannis |0 P:(DE-Juel1)144687 |b 0 |
| 245 | _ | _ | |a Site-specific 15N isotopic signatures of abiotically produced N$_{2}$O |
| 260 | _ | _ | |a New York, NY [u.a.] |c 2014 |b Elsevier |
| 336 | 7 | _ | |a Journal Article |b journal |m journal |0 PUB:(DE-HGF)16 |s 1401858991_21127 |2 PUB:(DE-HGF) |
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| 336 | 7 | _ | |a article |2 DRIVER |
| 520 | _ | _ | |a Efficient nitrous oxide (N2O) mitigation strategies require the identification of the main source and sink processes and their contribution to total soil N2O production. Several abiotic reactions of nitrification intermediates leading to N2O production are known, but their contribution to total N2O production in soils is uncertain. As the site preference (SP) of 15N in N2O is a promising tool to give more insight into N2O production processes, we investigated the SP of N2O produced by different abiotic reactions in a laboratory study. All reactions involved the nitrification intermediate hydroxylamine (NH2OH) in combination with nitrite (NO2−), Fe3+, Fe2+ and Cu2+, reactants commonly or potentially found in soils, at different concentrations and pH values. N2O production and its four main isotopic species (14N14N16O, 15N14N16O, 14N15N16O, and 14N14N18O) were quantified simultaneously and online at high temporal resolution using quantum cascade laser absorption spectroscopy. Thereby, our study presents the first continuous analysis of δ18O in N2O. The experiments revealed the possibility of purely abiotic reactions over a wide range of acidity (pH 3–8) by different mechanisms. All studied abiotic pathways produced N2O with a characteristic SP in the range of 34–35‰, unaffected by process conditions and remaining constant over the course of the experiments. These findings reflect the benefit of continuous N2O isotopic analysis by laser spectroscopy, contribute new information to the challenging source partitioning of N2O emissions from soils, and emphasize the potentially significant role of coupled biotic–abiotic reactions in soils. |
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| 700 | 1 | _ | |a Wolf, Benjamin |0 P:(DE-HGF)0 |b 1 |
| 700 | 1 | _ | |a Brüggemann, Nicolas |0 P:(DE-Juel1)142357 |b 2 |e Corresponding Author |
| 700 | 1 | _ | |a Emmenegger, Lukas |0 P:(DE-HGF)0 |b 3 |
| 700 | 1 | _ | |a Tuzson, Béla |0 P:(DE-HGF)0 |b 4 |
| 700 | 1 | _ | |a Vereecken, Harry |0 P:(DE-Juel1)129549 |b 5 |
| 700 | 1 | _ | |a Mohn, Joachim |0 P:(DE-HGF)0 |b 6 |
| 773 | _ | _ | |a 10.1016/j.gca.2014.04.037 |g Vol. 139, p. 72 - 82 |0 PERI:(DE-600)1483679-8 |p 72 - 82 |t Geochimica et cosmochimica acta |v 139 |y 2014 |x 0016-7037 |
| 856 | 4 | _ | |u https://juser.fz-juelich.de/record/153891/files/FZJ-2014-03362.pdf |z Published final document. |y Restricted |
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