Oil contamination of the seasonally thawed layer and of the upper horizons of permafrost on the experimental site "Bolvanskiy cape", Pechora river mouth

G. V. Ananjeva, D. S. Drozdov, A. Instances, E. M. Chuvilin

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

In July 2000 an experimental site was equipped at the Pechora River mouth in order to carry out the field experiment on the oil behavior in the active layer and to estimate the oil penetration into the upper permafrost horizons after the surface oil injection. Active layer profiles were sequentially exposed and investigated for 5 days, 2 months and 15 months after the experiment. This made it possible to study the rate of oil penetration into surface sediments in the presence of an adjacent permafrost aquiclude, to determine oil spot configuration and oil concentration in different horizons of seasonally thawed and permafrost layers and their temporal changes, to evaluate the influence of oil contamination on the seasonally thawed layer thickness.

Original languageEnglish
Pages (from-to)49-59
Number of pages11
JournalEarth's Cryosphere
Volume7
Issue number1
Publication statusPublished - 2003
Externally publishedYes

Keywords

  • Active layer
  • Depth of thawing
  • Migration of hydrocarbon contamination
  • Oil contamination
  • Oil products concentration
  • Permafrost

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