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Presentation and analysis of a model simulating the response of potash treatment of lakes
Uppsala University, Disciplinary Domain of Science and Technology, Earth Sciences, Department of Earth Sciences.
Uppsala University, Disciplinary Domain of Science and Technology, Earth Sciences, Department of Earth Sciences.
1997 (English)In: Journal of Environmental Radioactivity, ISSN 0265-931X, E-ISSN 1879-1700, Vol. 37, no 3, 287-306 p.Article in journal (Refereed) Published
Abstract [en]

The potassium concentration in a lake may influence the caesium levels in lake biota. The biouptake and potential ecosystem effects of a caesium fall-out can be limited by addition of potassium, for example, by a potash treatment. This work presents for the first time a simple and practically useful model to facilitate the planning and to predict the outcome of potash treatments by simulating the processes that regulate the water chemical response of such a treatment. The model is a mixed model in the sense that it contains both statistical regressions and dynamic interactions within a lake ecosystem. This paper focuses on the dynamic processes and gives both calibrations and extensive validations of the model. A few examples on the practical use of the model are presented. The results indicate that the model, using only easily accessible input data, can, in fact, give good predictions on the increase and duration in potassium concentration following a potash treatment.

Place, publisher, year, edition, pages
1997. Vol. 37, no 3, 287-306 p.
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:uu:diva-27854DOI: 10.1016/S0265-931X(97)00002-7OAI: oai:DiVA.org:uu-27854DiVA: diva2:55750
Available from: 2008-10-17 Created: 2008-10-17 Last updated: 2017-12-07Bibliographically approved

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Håkanson, Lars

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