Oxygen isotope and deuterium composition of snow cover on the profile of Western Siberia from Tomsk to the Ob Bay

Vasil’chuk, Y.K.; Shevchenko, V.P.; Lisitzin, A.P.; Budantseva, N.A.; Vorobiov, S.N.; Kirpotin, S.N.; Krizkov, I.V.; Manasypov, R.M.; Pokrovsky, O.S.; Chizhova, J.N.

Авторы: Vasil’chuk Yu K., Shevchenko V.P., Lisitzin A.P., Budantseva N.A., Vorobiov S.N., Kirpotin S.N., Krizkov I.V., Manasypov R.M., Pokrovsky O.S., Chizhova Ju N.
Журнал: Doklady Earth Sciences
Том: 471
Номер: 2
Год издания: 2016
Издательство: Maik Nauka/Interperiodica Publishing
Местоположение издательства: Russian Federation
Первая страница: 1284
Последняя страница: 1287
Оригинальные версии: Изотопно-кислородный и дейтериевый состав снежного покрова Западной Сибири на профиле от Томска до Обской губы
DOI: 10.1134/S1028334X1612014X
Аннотация: The purpose of this work is to study the variability of the isotope composition (delta18О, deltaD, dexc) of the snow cover on a long transect of Western Siberia from the southern taiga to the tundra. The study of the snow cover is of paleogeographic, paleogeocryological, and paleohydrological value. The snow cover of Western Siberia was sampled on a broadly NS transzonal profile from the environs of Tomsk (southern taiga zone) to the eastern coast of the Gulf of Ob (tundra zone) From February 19 to March 4, 2014. Snow samples were collected at 31 points. Most of the samples were fresh snow, i.e., snow that had fallen a day before the moment of sampling; young snow was collected in two districts. In the area of Yamburg, the snow specimens collected from the surface are most probably settled snow of different ages. The values of delta18О in the snow from Tomsk to Yamburg varied from –21.89 to –32.82‰, and the values of deltaD, from –163.3 to –261.2‰. The value of deuterium excess was in the range of 4.06–19.53‰.
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Oxygen isotope and deuterium composition of snow cover on the profile of Western Siberia from Tomsk to the Ob Bayстатья Перевод

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