Vol. 27, issue 06, article # 9

Abstract:

The paper presents a climatic discharge model for the greatest Siberian Rivers: Ob, Yenisei, and Lena. The model in use is a linear reservoir model, i.e., each cell of the model is a reservoir or cascade of reservoirs. The flow of water is divided into surface runoff, river flow, and groundwater flow, defined by the climatic model of the surface. As the initial data for the numerical simulation of river runoff for the Ob–Irtysh, Yenisei, and Lena, the ERA40 and MERRA reanalysis data were used. For the comparison with observational data, the measurements at the hydrological stations Ob–Salekhard, Yenisey–Igarka, and Lena–Kyusyur were used. The analysis of the numerical simulations results is presented in the paper.

Keywords:

mathematical simulation, climatic river runoff, the basins of Ob, Yenisei, and Lena

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