Specific features of ice regime in rivers of the Northern Dvina basin |
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Authors: | S. A. Agafonova N. L. Frolova |
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Affiliation: | (1) Moscow State University, Leninskie gory, Moscow, 119992, Russia |
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Abstract: | Variations in the characteristics of ice regime of rivers in the Northern Dvina basin over the last 125 years are analyzed. For the Northern Dvina lower course, potential changes in the dates of the appearance of floating ice and the breakup due to expected changes in the air temperature and the rate of streamflow in rivers are assessed. Special attention is paid to the factors that affect the formation of ice jams and their spatial and temporal variability. The prognostic relationship for the maximum ice-jam stage in the Sukhona River near the town of Velikii Ustyug is presented as an example. |
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