Articles | Volume 13, issue 20
Biogeosciences, 13, 5753–5769, 2016
Biogeosciences, 13, 5753–5769, 2016

Research article 18 Oct 2016

Research article | 18 Oct 2016

Modelling nutrient retention in the coastal zone of an eutrophic sea

Elin Almroth-Rosell et al.

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Cited articles

Ahlgren, I., Frisk, T., and Kamp-Nielsen, L.: Empirical and theoretical models of phosphorus loading, retention and concentration vs. lake trophic state, in: Phosphorus in Freshwater Ecosystems, Springer, 1988.
Almroth-Rosell, E., Eilola, K., Hordoir, R., Meier, H. E. M., and Hall, P. O. J.: Transport of fresh and resuspended particulate organic material in the Baltic Sea – a model study, J. Marine. Syst., 87, 1–12, 2011.
Almroth-Rosell, E., Eilola, K., Kuznetsov, I., Hall, P. O. J., and Meier, H. E. M.: A new approach to model oxygen dependent benthic phosphate fluxes in the Baltic Sea, J. Marine. Syst., 144, 127–141, 2015.
Areskoug, H.: Nedfall av kväve och fosfor till Sverige, Östersjön och Västerhavet, Rapport 4148, 1993.
Balls, P. W.: Nutrient Inputs to Estuaries from Nine Scottish East Coast Rivers; Influence of Estuarine Processes on Inputs to the North Sea, Estuar. Coast Shelf S, 39, 329–352, 1994.
Short summary
Nutrients from land have been discussed to increase eutrophication in the open sea. This model study shows that the coastal zone works as an efficient filter. Water depth and residence time regulate the retention that occurs mostly in the sediment due to processes such as burial and denitrification. On shorter timescales the retention capacity might seem less effective when the land load of nutrients decreases, but with time the coastal zone can import nutrients from the open sea.
Final-revised paper