Schwermetalle (Fe,Mn, Cd,Cr, Cu,Pb, Zn) im Pelagial des Bodensees (Obersee und Untersee) und des Greifensees |
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| Authors: | Dr Hans-Rudolf Hegi |
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| Institution: | 1. Eidg. Anstalt für Wasserversorgung, Abwasserrreinigung und Gew?sserschutz (EAWAG), Eidgen?ssische Technische Hochschule Zürich, überlandstrasse 133, CH-8600, Dübendorf, Schweiz
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| Abstract: | Monthly measurements were made over a one-year period to determine the heavy metals Fe, Mn, Cd, Cr, Cu, Pb and Zn in the vertical
profiles of Lake Constance (Obersee and Untersee) and Greifensee, by means of atomic absorption spectrometry. Fe and Mn exhibited
the usual cyclical fluctuations depending on redox conditions in the hypolimnion. For Cd, Cr, Cu, Pb and Zn no concentration
patterns were noted that would show their dependency on seasonal and vertical stratifications.
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