Abstract
Based on the data of long-term studies of bog and river waters in the taiga zone of Western Siberia, highly significant linear regression models for the relationships between the organic matter content and optical density of the water were developed. The parameters of the relationships obtained are proposed to be used for the determination of the water-soluble carbon content. The inclusion only of the optical density values into the calculated formulas makes them convenient for practical application. Regression models were developed on the basis of the data on determining the carbon content using the bichromate method, which is widely used in soil and hydrochemical studies. The calculated method forms prerequisites for the operational monitoring of the water-soluble organic substances, since the obtained results can be comparable with the earlier published data on the carbon content determined by the same method. These regression models seem to also be suitable for the determination of the organic carbon in the water extracts of organic soils.
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Original Russian Text © T.T. Efremova, O.P. Sekretenko, S.P. Efremov, 2014, published in Pochvovedenie, 2014, No. 8, pp. 941–952.
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Efremova, T.T., Sekretenko, O.P. & Efremov, S.P. Determination of the organic carbon content in bog and river waters of the taiga zone based on their optical density. Eurasian Soil Sc. 47, 781–791 (2014). https://doi.org/10.1134/S1064229314060027
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DOI: https://doi.org/10.1134/S1064229314060027