Seasonal change of the organic carbon content of Lake Balaton during 1972

Frankó, András and Ponyi, Jenő (1973) Seasonal change of the organic carbon content of Lake Balaton during 1972. A Magyar Tudományos Akadémia Tihanyi Biológiai Kutatóintézetének évkönyve, 40. pp. 185-189. ISSN 0365-3005

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Abstract

1. Determinations of organic carbon content obtained by means of the “dry ” (Entz et al., 1963) and “wet” (Walkley and Black, 1934) methods of oxidation are to be used well on the mud of the open water of Lake Balaton. The former method gives higher values above 2 percent organic carbon content th an the latter one. 2. Apart from the Keszthely Bay, the organic carbon content in the mud of the open water of Lake Balaton shows a relatively uniform distribution, it varies between 1.52—1.78 percent. 3. The amount of the organic carbon changes seasonally in the transversal section through the Keszthely Bay. It was 1.83—1.85 percent during summer (June—August) and 1.96—2.27 percent during the spring and autumn. The autumnal increase represents a consequence of the destruction of the macro vegetation.

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