Академическое издательство «Гео»

Keywords: surface waters, dissolved matter sources, acidneutralizing capacity, dissolved organic carbon, cations.



GEOGRAPHY AND NATURAL RESOURCES, 2010, № 2, p. 132-139

Use of chemical composition of surface waters in estimating contributions from sources of a dissolved substance

M.Yu. Semenov and E.A. Zimnik

Data on macrocomponent chemical composition of waters and on the volume of streamflow were used to quantify the contributions from sources of cations of alkaline and alkaline-earth metals of surface waters (atmospheric depositions, and mineral and organic substance of soils). It is shown that the proportion of substance of organogenic origin in surface waters is decreasing from spring to autumn, as opposed to an increase of the contribution from weathering. The largest values of removal of cations of both mineral and organic origin are observed in mid-summer.

Keywords: surface waters, dissolved matter sources, acidneutralizing capacity, dissolved organic carbon, cations.
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