Subsea Permafrost Thawing as a Factor of Changes in the Elemental Composition

A. S. Ulyantsev; N. V. Polyakova; S. Yu. Bratskaya; E. A. Romankevich

doi:10.1134/S1028334X18110235

Subsea Permafrost Thawing as a Factor of Changes in the Elemental Composition

作者: Ulyantsev A.S.¹, Polyakova N.V.², Bratskaya S.Y.², Romankevich E.A.¹^,3
隶属关系:
1. Shirshov Institute of Oceanology, Russian Academy of Sciences
2. Institute of Chemistry, Far East Branch, Russian Academy of Sciences
3. Tomsk Polytechnic University
期: 卷 483, 编号 1 (2018)
页面: 1480-1484
栏目: Geochemistry
URL: https://journals.rcsi.science/1028-334X/article/view/194382
DOI: https://doi.org/10.1134/S1028334X18110235
ID: 194382

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The differences in the concentration of elements between thawed and frozen sediments were shown in the samples from two boreholes from the coastal zone of the Laptev Sea (Buor-Khaya Bay). The thalassogenic nature of enrichment of thawed deposits with sodium, chlorine, and to a lesser degree sulfur and phosphorus was confirmed. The difference in the concentration of chlorine between thawed and frozen soils may reach two orders.