Assessing Organic Carbon and Suspended Matter Runoff
in the Yenisei Basin

V. S. Filimonov and A. D. Aponasenko

Institute of Computational Simulation, Siberian Division, Russian Academy of Sciences,
Akademgorodok, 50, Krasnoyarsk, 660036 Russia

Received July 25, 2002

Abstract—The concentrations of organic matter that enters the aquatic environment in dissolved form, organic
matter fractions adsorbed on suspended mineral particles, and the total concentration of suspended matter in
the Yenisei water were studied using rapid optical methods. Spectral characteristics of light attenuation and
absorption by river water and its filtrates were analyzed in summer. Total discharges of organic carbon and sus-
pended matter by the river were evaluated.

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