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

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dc.citation.firstpage5168
dc.citation.issueNumber9
dc.citation.journalTitleEnvironmental Science & Technology
dc.citation.lastpage5175
dc.citation.volumeNumber53
dc.contributor.authorYeung, Laurence Y.
dc.contributor.authorHaslun, Joshua A.
dc.contributor.authorOstrom, Nathaniel E.
dc.contributor.authorSun, Tao
dc.contributor.authorYoung, Edward D.
dc.contributor.authorvan Kessel, Maartje A.H.J.
dc.contributor.authorLücker, Sebastian
dc.contributor.authorJetten, Mike S.M.
dc.date.accessioned2019-12-05T18:52:38Z
dc.date.available2019-12-05T18:52:38Z
dc.date.issued2019
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.
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.
dc.identifier.digitalacs.est.9b00812
dc.identifier.doihttps://doi.org/10.1021/acs.est.9b00812
dc.identifier.urihttps://hdl.handle.net/1911/107777
dc.language.isoeng
dc.publisherAmerican Chemical Society
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.
dc.rights.urihttps://pubs.acs.org/page/policy/authorchoice_termsofuse.html
dc.titleIn Situ Quantification of Biological N2 Production Using Naturally Occurring 15N15N
dc.typeJournal article
dc.type.dcmiText
dc.type.publicationpublisher version
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