The DOI matches its Crossref record; 54 of the 54 references it cites were found in a registry or an index.
Denitrification in marine sediments: A model study
Open accessAbstract
The rate and factors controlling denitrification in marine sediments have been investigated using a prognostic diagenetic model. The model is forced with observed carbon fluxes, bioturbation and sedimentation rates, and bottom water conditions. It can reproduce rates of aerobic mineralization, denitrification, and fluxes of oxygen, nitrate, and ammonium. The globally integrated rate of denitrification is estimated by this model to be about 230–285 Tg N yr−1, with about 100 Tg N yr−1 occurring in shelf sediments. This estimate is significantly higher than literature estimates (12–89 Tg N yr−1), mainly because of a proposed upward revision of denitrification rates in slope and deep‐sea sediments. Higher sedimentary denitrification estimates require a revision of the marine nitrogen budget and lowering of the oceanic residence time of nitrogen down to about 2×10 3 years and are consistent with reported low N/P remineralization ratios between 1000 and 3000 m. Rates of benthic denitrification are most sensitive to the flux of labile organic carbon arriving at the sediment‐water interface and bottom water concentrations of nitrate and oxygen. Denitrification always increases when bottom water nitrate increases but may increase or decrease if oxygen in the bottom water increases. Nitrification is by far the most important source of nitrate for denitrification, except for organic‐rich sediments underlying oxygen‐poor and nitrate‐rich water.
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Cites
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Cited by
Nitrogen cycles: Past, present, and future
Galloway, J. N., Dentener, F. J., Capone, D. G., Boyer, E. W., Howarth, R. W., Seitzinger, S. P., Asner, G. P., Cleveland, C. C., Green, P. A., Holland, E. A., et al. (2004) · Biogeochemistry · doi:10.1007/s10533-004-0370-0 · Cited by 5,315
Denitrification across landscapes and waterscapes: a synthesis
Seitzinger, S., Harrison, J. A., Böhlke, J. K., Bouwman, A. F., Lowrance, R., Peterson, B., Tobias, C., & Drecht, G. V. (2006) · Ecological Applications · doi:10.1890/1051-0761(2006)016[2064:dalawa]2.0.co;2 · Cited by 1,679
Thamdrup, B., & Dalsgaard, T. (2002) · Applied and Environmental Microbiology · doi:10.1128/aem.68.3.1312-1318.2002 · Cited by 1,046
Slomp, C. P., & Van Cappellen, P. (2004) · Journal of Hydrology · doi:10.1016/j.jhydrol.2004.02.018 · Cited by 932
Francis, C. A., Beman, J. M., & Kuypers, M. M. M. (2007) · The ISME Journal · doi:10.1038/ismej.2007.8 · Cited by 760
Metadata
- Authors
- Middelburg, J. J., Soetaert, K., Herman, P. M. J., & Heip, C. H. R.
- Venue
- Global Biogeochemical Cycles
- Publisher
- American Geophysical Union (AGU)
- Published
- 1996-12
- Volume
- 10
- Issue
- 4
- Pages
- 661-673
- ISSN
- 0886-6236 (ISSN-L)
- 1944-9224
- OpenAlex
- W2134878076
- Cited by
- 386
- References
- 54
- FWCI
- 2.18
- Type
- journal article
- Language
- en
- Open access
- green
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- Middelburg, J. J., Soetaert, K., Herman, P. M. J., & Heip, C. H. R. (1996). Denitrification in marine sediments: A model study. Global Biogeochemical Cycles. https://doi.org/10.1029/96gb02562
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
