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Nutrient Retention – A Key Element in Evaluating Reference Conditions of Lakes and Reservoirs for the EU Water Framework Directive

Kurzanzeige
dc.contributor.authorHejzlar, Josef
dc.contributor.authorBoers, Paul
dc.contributor.authorKronvang, Brian
dc.contributor.authorKaraer, Feza
dc.contributor.editorGnauck, Albrecht
dc.contributor.editorHeinrich, Ralph
dc.date.accessioned2019-09-16T09:33:34Z
dc.date.available2019-09-16T09:33:34Z
dc.date.issued2003
dc.description.abstractA set of P and N retention data from 178 lakes and reservoirs was analysed using a simple mass balance model requiring knowledge only of water residence time, mean depth, and average mass transfer coefficients for P and N loss (vP and vN, respectively). The model for P retention was refined by categorisation of water bodies according to their input P concentration into three classes, i.e. <10, 10-35, and >35 μg l -1, with corresponding vP values of 7, 15, and 40 m yr -1, respectively. The model for N retention used only one vN value (8 m yr -1) for all water bodies. The absolute mean error of the models was within the range between 9 and 19% of the calculated retention values. The models are suggested for use in determining reference conditions of natural and artificial water bodies within the application of the EU Water Framework Directive in the Czech Republic legislation.de
dc.identifier.urihttps://dl.gi.de/handle/20.500.12116/27066
dc.publisherMetropolis
dc.relation.ispartofThe Information Society and Enlargement of the European Union
dc.relation.ispartofseriesEnviroInfo
dc.titleNutrient Retention – A Key Element in Evaluating Reference Conditions of Lakes and Reservoirs for the EU Water Framework Directivede
dc.typeText/Conference Paper
gi.citation.publisherPlaceMarburg
gi.conference.date2003
gi.conference.locationCottbus
gi.conference.sessiontitleEnvironmental Management - Water Management

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Environmental Informatics 2003