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Assessment of changes in hydrology of Siberia in the XXIst century

This paper deals with the study of possible changes in the Siberian rivers in the XXIst century. The initial data are the results of calculations for the six models of CMIP-5 IPCC Programme . The calculations include the INM model (Russia), the CNRM (France), the GFDL (the USA), the MIROC5 (Japan), the HadGEM2 (United Kingdom) and the MPI-ESM (Germany). The calculations reveal that the interannual variability of a streamflow in the XXIst century has shared positive trends in a variety of models with significant variations in the influx of fresh water into the Arctic Ocean. The next step was to analyze the hydrological components forming the river flow. The Reasons for the observed fluctuations in hydrological characteristics of the river basins of Siberia, are associated with the Arctic Oscillation, which is confirmed by the correlation links.