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Numerical Calculation of Flows and Long-Range Transport of Contaminants in Lowland River Reservoirs

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Abstract

Flows and contaminant transport in the Novosibirsk reservoir are calculated on the basis of a two-dimensional (plane) nonstationary model with Saint Venant's equations. The model allows for the presence of a large number of islands. Coefficients of horizontal exchange (dispersion) are calculated by the formula taking into account dynamic velocity at the bottom. Numerical implementation of the model employs a semi-implicit conservative finite-difference TVD scheme on a distributed grid and procedures allowing for the flow past these islands. Model examples of calculations and computation results for dynamics of long-range transport of contaminants along the Novosibirsk reservoir are given.

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Kvon, V.I., Kvon, D.V., Zonov, S.D. et al. Numerical Calculation of Flows and Long-Range Transport of Contaminants in Lowland River Reservoirs. Journal of Applied Mechanics and Technical Physics 44, 880–884 (2003). https://doi.org/10.1023/A:1026252224579

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  • DOI: https://doi.org/10.1023/A:1026252224579

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