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A Contribution to the Phosphorus Loading Concept
Author(s) -
Benndorf Jürgen
Publication year - 1979
Publication title -
internationale revue der gesamten hydrobiologie und hydrographie
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.524
H-Index - 52
eISSN - 1522-2632
pISSN - 0020-9309
DOI - 10.1002/iroh.19790640203
Subject(s) - phosphorus , outwash plain , environmental science , reliability (semiconductor) , sampling (signal processing) , residence time (fluid dynamics) , range (aeronautics) , mathematics , hydrology (agriculture) , statistics , geology , computer science , geotechnical engineering , chemistry , engineering , thermodynamics , geomorphology , physics , glacier , organic chemistry , filter (signal processing) , aerospace engineering , computer vision , power (physics)
For the application of the empirical model of Vollenweider and Dillon (1974). and Vollenweider (1976). to reservoirs, the critical phosphorus loading levels have been related to dissolved orthophosphate. 19 reservoirs and primary reservoirs are in optimum accordance with the extended model. To permit the use of the model also in the range of very short residence times, an extremely simple analytical model of phytoplankton growth has been introduced. The reliability of the resulting outwash limits has been checked by means of random sampling at two primary reservoirs. Among 17 samples only 1 does not fit into the model.