57 · № 1 УДК 556.12:551.322 doi:10.15356/2076-6734-2017-1-57-68 Изотопный состав зимних атмосферных осадков и снежного покрова в предгорьях Алтая © 2017 г. Н.С. Малыгина*, А.Н. Эйрих, Н.Ю. Курепина, Т.С. Папина Институт водных и экологических проблем СО РАН, Барнаул, Россия *natmgn@gmail.com Isotope composition of winter precipitation and snow cover in the foothills of the Altai N.S. <...> Papina Institute for Water and Environmental Problems, Siberian Branch, Russian Academy of Sciences, Barnaul, Russia *natmgn@gmail.com Received April 18, 2016 Keywords: foothills of the Altai, snow cover, stable isotopes of oxygen and hydrogen, winter precipitation. <...> The weighted-mean values of δ18О and δD of the precipitation analyzed for the above two seasons were close to each other (−21.1 and −158.1‰ for the first season taking into account changes in the isotope composition of atmospheric precipitation were, above all, the results obtained by the network GNIP – Global Network of Isotopes in Precipitation. <...> At different times, on the vast territory of Russia there were only about 40 simultaneously functioning stations where the sampling of atmospheric precipitation was performed. <...> In this study we present the results of the isotope composition of samples taken on the foothills of the Altai during two winter seasons of 2014/15 and 2015/16. <...> Values of the isotope composition of precipitation changed in a wide range and their maximum fluctuations were 25, Over the past three decades, several general circulation models of the atmosphere and ocean (atmospheric and oceanic general circulation models – GCMs) have been improved by modeling the hydrological cycle with the use of isotopologues (isotopes of <...>