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Nitrous oxide emissions from estuarine intertidal sediments Middelburg, J.J.; Klaver, G.; Nieuwenhuize, J.; Markusse, R.; Vlug, T.; Van der Nat, F.J.W.A. (1995). Nitrous oxide emissions from estuarine intertidal sediments, in: Heip, C.H.R. et al. Major biological processes in European tidal estuaries. Developments in Hydrobiology, 110: pp. 43-55 In: Heip, C.H.R.; Herman, P.M.J. (Ed.) (1995). Major biological processes in European tidal estuaries. Developments in Hydrobiology, 110. Kluwer Academic: Dordrecht. ISBN 978-0-7923-3699-0. VIII, 276 pp., meer In: Dumont, H.J. (Ed.) Developments in Hydrobiology. Kluwer Academic/Springer: The Hague; London; Boston; Dordrecht. ISSN 0167-8418, meer Is gerelateerd aan: Middelburg, J.J.; Klaver, G.; Nieuwenhuize, J.; Markusse, R.; Vlug, T.; Van der Nat, F.J.W.A. (1995). Nitrous oxide emissions from estuarine intertidal sediments. Hydrobiologia 311(1-3): 43-55. https://dx.doi.org/10.1007/BF00008570, meer

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Beschikbaar in	Auteurs | Dataset
VLIZ: Open Marine Archive 141149 [ download pdf ]

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Trefwoorden

Ammonium compounds Aquatic organisms > Heterotrophic organisms > Decomposers Chemical compounds > Oxygen compounds > Oxides > Nitrogen compounds > Nitrous oxide Chemistry > Geochemistry > Biogeochemistry Chemistry > Geochemistry > Sediment chemistry Cycles > Chemical cycles > Geochemical cycle > Biogeochemical cycle > Nutrient cycles > Nitrogen cycle Environments > Aquatic environment > Marine environment > Intertidal environment Estuarine chemistry Eutrophication Measurement Organic matter > Carbon > Organic carbon Sedimentary structures > Mud flats Topographic features > Landforms > Coastal landforms > Tidal flats ANE, Nederland, Westerschelde [Marine Regions] Marien/Kust; Brak water

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Auteurs		Top | Dataset
Middelburg, J.J., meer Klaver, G. Nieuwenhuize, J.	Markusse, R., meer Vlug, T. Van der Nat, F.J.W.A.

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Abstract

From September 1990 through December 1991 nitrous oxide flux measurements were made at 9 intertidal mud flat sites in the Scheldt Estuary. Nitrous oxide release rates were highly variable both between sites and over time at any one site. Annual nitrous oxide fluxes vary from about 10 mmol N m–2 at the tidal fresh-water end-member site to almost zero at the most saline stations. Along the estuarine gradient, annual nitrous oxide fluxes are significantly correlated with sedimentary organic carbon and nitrogen concentrations, ammonium fluxes and annual nitrogen turn-over rates, that are estimated using mass-balance considerations. Nitrous oxide fluxes seem to respond linearly to an increasing nitrogen load, with one out of each 17 000 atoms nitrogen entering estuaries being emitted as nitrous oxide.

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Dataset

Middelburg J., Herman P. 1991: Data set on pore-water composition and sediment-air fluxes in the Scheldt estuary at 9 stations with seasonal resolution. Intertidal sediments. Netherlands Institute of Ecology; Centre for Estuarine and Marine Ecology, Netherlands. Metadata available at http://mda.nioo.knaw.nl/imis.php?module=dataset&dasid=1823, meer

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