This research is devoted to the question of change of a low-flow drain of the rivers under the influence of the climate. The purpose of the re-search was the analysis of change of a winter low-flow drain of the rivers of the permafrost zone of Central Siberia under the influence of climate, de-tection of dependence of the minimum drain on the complex of hydroclimatic parameters. To the analy-sis stock materials were drawn UGMS data long-term observations of runoff at eight hydrological stations and the precipitation at the meteorological stations of the studied area, the duration of the se-ries of observations at individual facilities was more than 50 years. In the processing and analysis of data for construction of the dependence of the low-flow runoff from climatic factors the method of mul-tiple regression analysis was used. The analysis of hydrological models demonstrated that the winter low-flow drain of the studied rivers substantially was connected with a liquid atmospheric precipita-tion during the warm period and with air tempera¬ture during the period from August to February. For reservoirs the increase in the minimum drain was connected with growth of a liquid atmospheric pre-cipitation and growth of October air temperatures. In the formation of a certain minimum flow took part periodically thawing permafrost moisture in spring-summer period the upper soil horizons, especially clearly this relationship manifested itself in the combination with the fallout of the liquid precipita-tion, penetrating to the horizon of freezing and thawing of permafrost causing.
low flow, mezhennyy stok, climatic factors, reservoir ponds, hydrological regime, permafrost of Central Siberia, klimaticheskie faktory, vodosbornye basseyny, gidrologicheskiy rezhim, kriolitozona Sredney Sibiri
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