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| Carbon and nitrogen cycling in intertidal sediments near Doel, Scheldt Estuary Middelburg, J.J.; Klaver, G.; Nieuwenhuize, J.; Vlug, T. (1995). Carbon and nitrogen cycling in intertidal sediments near Doel, Scheldt Estuary, in: Heip, C.H.R. et al. Major biological processes in European tidal estuaries. Developments in Hydrobiology, 110: pp. 57-69
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.; Vlug, T. (1995). Carbon and nitrogen cycling in intertidal sediments near Doel, Scheldt Estuary. Hydrobiologia 311(1-3): 57-69. https://dx.doi.org/10.1007/BF00008571, meer
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| Trefwoorden |
Chemical compounds > Organic compounds > Hydrocarbons > Saturated hydrocarbons > Acyclic hydrocarbons > Methane Chemical compounds > Oxygen compounds > Oxides > Nitrogen compounds > Nitrous oxide Chemistry > Geochemistry > Sediment chemistry Cycles > Chemical cycles > Geochemical cycle > Biogeochemical cycle Cycles > Chemical cycles > Geochemical cycle > Biogeochemical cycle > Nutrient cycles > Carbon cycle Cycles > Chemical cycles > Geochemical cycle > Biogeochemical cycle > Nutrient cycles > Nitrogen cycle Environments > Aquatic environment > Marine environment > Intertidal environment Estuarine chemistry Mineralization Organic matter > Carbon > Organic carbon Sedimentary structures > Mud flats Water bodies > Coastal waters > Coastal landforms > Coastal inlets > Estuaries België, Zeeschelde, Doel [Marine Regions] Marien/Kust; Brak water |
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| Abstract |
The annual amount of carbon delivered to the sediment is 42 mol m−2, of which about 42% becomes buried, the remaining being emitted as methane (7%) or carbon dioxide (50%). Each year about 2.6 mol N m−2 of particulate nitrogen reaches the sediment; 1.1 mol m−2 is buried and 1.6 mol m−2 is mineralized to ammonium. Only 0.42 mol m−2 yr−1 of the ammonium produced escapes from the sediments, the remaining being first nitrified (1.2 mol m−2 yr−1) and then denitrified (1.7 mol m−2 yr−1). Simple calculations indicate that intertidal sediments may account for about 14% and 30% of the total estuarine retention of nitrogen and carbon, respectively. |
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