Discharge of biogenic substances with river runoff in Selenga basin |
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| Authors: | Z I Khazheeva A M Plyusnin |
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| Institution: | 1. Baikal Institute for Nature Management, Siberian Branch, Russian Academy of Sciences, ul. Sakh??yanovoi 6, Ulan-Ude, 670047, Russia
2. Geological Institute, Siberian Branch, Russian Academy of Sciences, ul. Sakh??yanovoi 6a, Ulan-Ude, 670047, Russia
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| Abstract: | Averaged many-year measurement data on the concentrations of mineral forms of biogenic elements are analyzed, and their total concentrations in the rivers of Selenga, Chikoi, Khilok, Uda, Dzhida, and Temnik are evaluated. The monthly variations of the concentrations of major biogenic substances are characterized, and their ratios within a year are determined. Characteristics of river water runoff and biogenic substance concentrations are used to evaluate their within-year discharge by rivers. Characteristic variations in the ratios between the total and mineral forms of biogenic elements discharged by rivers have been revealed. It is established that the share of mineral components in the total input into the Selenga delta Ntot and Ptot are 82 and 22%, respectively. |
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