In Situ Quantification of Biological N2 Production Using Naturally Occurring 15N15N

dc.citation.firstpage5168en_US
dc.citation.issueNumber9en_US
dc.citation.journalTitleEnvironmental Science & Technologyen_US
dc.citation.lastpage5175en_US
dc.citation.volumeNumber53en_US
dc.contributor.authorYeung, Laurence Y.en_US
dc.contributor.authorHaslun, Joshua A.en_US
dc.contributor.authorOstrom, Nathaniel E.en_US
dc.contributor.authorSun, Taoen_US
dc.contributor.authorYoung, Edward D.en_US
dc.contributor.authorvan Kessel, Maartje A.H.J.en_US
dc.contributor.authorLücker, Sebastianen_US
dc.contributor.authorJetten, Mike S.M.en_US
dc.date.accessioned2019-12-05T18:52:38Zen_US
dc.date.available2019-12-05T18:52:38Zen_US
dc.date.issued2019en_US
dc.description.abstractWe describe an approach for determining biological N2 production in soils based on the proportions of naturally occurring 15N15N in N2. Laboratory incubation experiments reveal that biological N2 production, whether by denitrification or anaerobic ammonia oxidation, yields proportions of 15N15N in N2 that are within 1‰ of that predicted for a random distribution of 15N and 14N atoms. This relatively invariant isotopic signature contrasts with that of the atmosphere, which has 15N15N proportions in excess of the random distribution by 19.1 ± 0.1‰. Depth profiles of gases in agricultural soils from the Kellogg Biological Station Long-Term Ecological Research site show biological N2 accumulation that accounts for up to 1.6% of the soil N2. One-dimensional reaction-diffusion modeling of these soil profiles suggests that subsurface N2 pulses leading to surface emission rates as low as 0.3 mmol N2 m–2 d–1 can be detected with current analytical precision, decoupled from N2O production.en_US
dc.identifier.citationYeung, Laurence Y., Haslun, Joshua A., Ostrom, Nathaniel E., et al.. "In Situ Quantification of Biological N2 Production Using Naturally Occurring 15N15N." <i>Environmental Science & Technology,</i> 53, no. 9 (2019) American Chemical Society: 5168-5175. https://doi.org/10.1021/acs.est.9b00812.en_US
dc.identifier.digitalacs.est.9b00812en_US
dc.identifier.doihttps://doi.org/10.1021/acs.est.9b00812en_US
dc.identifier.urihttps://hdl.handle.net/1911/107777en_US
dc.language.isoengen_US
dc.publisherAmerican Chemical Societyen_US
dc.rightsThis is an open access article published under an ACS AuthorChoice License, which permits copying and redistribution of the article or any adaptations for non-commercial purposes.en_US
dc.rights.urihttps://pubs.acs.org/page/policy/authorchoice_termsofuse.htmlen_US
dc.titleIn Situ Quantification of Biological N2 Production Using Naturally Occurring 15N15Nen_US
dc.typeJournal articleen_US
dc.type.dcmiTexten_US
dc.type.publicationpublisher versionen_US
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