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Sea level fluctuations and their signature in the composition and structure of polygonal wedge ice in the Yenisei River lower reaches
https://doi.org/10.15356/2076-6734-2014-2-82-90
Abstract
Late Pleistocene and Holocene polygonal-wedge ice is studied in the lower course of the Yenisei River. Ice distribution, features of the formation, chemical and microbiological composition were determined. It was established that ice wedges were formed on the slopes of the depression, in coastal-marine lagoons and in thermokarst during Holocene. The evidence of thermoabrasion and thermokarst in sediments as well as the marine signal in composition of polygonal-wedge ice allowed clarifying the southern limit of the Holocene transgression.
About the Authors
O. L. OpokinaRussian Federation
E. A. Slagoda
Russian Federation
I. B. Tomberg
Russian Federation
M. Yu. Suslova
Russian Federation
A. D. Firsova
Russian Federation
T. V. Khodzher
Russian Federation
N. A. Zhuchenko
Russian Federation
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Supplementary files
For citation: Opokina O.L., Slagoda E.A., Tomberg I.B., Suslova M.Y., Firsova A.D., Khodzher T.V., Zhuchenko N.A. Sea level fluctuations and their signature in the composition and structure of polygonal wedge ice in the Yenisei River lower reaches. Ice and Snow. 2014;54(2):82-90. https://doi.org/10.15356/2076-6734-2014-2-82-90
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