Geo-Marine Letters

, Volume 25, Issue 2–3, pp 183–189 | Cite as

Submarine permafrost in the nearshore zone of the southwestern Kara Sea

  • P. RekantEmail author
  • G. Cherkashev
  • B. Vanstein
  • P. Krinitsky


The results of seismic studies in the shallow waters of the southwestern Kara Sea show the presence of a seismic unit that can be interpreted as relict submarine permafrost. The permafrost table has a strongly dissected upper surface and is located at a water depth of 5–10 m. A 3D modeling of the permafrost table suggests the presence of relict buried thermodenudational depressions (up to 2 km across) at a water depth of 5–10 m. The depressions may be considered to be paragenetic to thermocirques found at the Shpindler site. Relict thermocirques are completely filled with sediment and not exposed at the sediment surface.


Nearshore Zone Seismic Unit Permafrost Table Shallow Water Zone Distinct Reflector 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



This study was supported by the INTAS (grant no. 2329).


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Copyright information

© Springer-Verlag 2004

Authors and Affiliations

  • P. Rekant
    • 1
    Email author
  • G. Cherkashev
    • 1
  • B. Vanstein
    • 1
  • P. Krinitsky
    • 1
  1. 1.Institute for Geology and Mineral Resources of the Ocean (VNIIOkeangeologia)St. PetersburgRussia

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