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Langzeituntersuchungen zur Nitratbelastung des Trinkwassers aus der Talsperre Dröda Long Term Examination of Nitrate Load of Drinking Water from Reservoir Dröda
Author(s) -
Hofmann Reiner,
Hallebach Rainer
Publication year - 1995
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.19950800409
Subject(s) - nitrate , environmental science , term (time) , hydrology (agriculture) , ecology , engineering , biology , geotechnical engineering , physics , quantum mechanics
The drinking water reservoir Dröda (Feilebach) is the main and the most important drinking water resource in the destrict Vogtland (Saxonia). Since the establishment of this object the water has got a high nitrate load. In a short period the limit of nitrate for drinking water was exceeded. In the first part there is given a short survey of the general quality of the water of this reservoir, later the nitrate examinations over 25 years are demonstrated. Nearly a every year rhythm and long term trends are noticeable. The yearly variations are mainly based on the seasonal differences of the import of nitrate. The long term trends are interpreted as an effect of the change in agricultural utilization. A small dependence on the yearly rainfall is recognizable. Finally, possibilities are shown to decrease the nitrate load.