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Pleistocene-holocene Permafrost of the East Siberian Eurasian Arctic Shelf
| Content Provider | Semantic Scholar |
|---|---|
| Author | Danilov, I. D. Komarov, Iu. A. Vlasenko, Andrejus |
| Copyright Year | 1998 |
| Abstract | Cryolithosphere dynamics in the East Siberian Eurasian Arctic shelf during the last 50,000 years were reconstructed on the basis of paleogeographic events including transgressions and regressions of the Arctic Ocean, and changes of paleoclimatic environmental conditions within subaerially exposed shelf areas after their flooding by sea water. Mathematical models and calculations were developed in accordance with these events. Three transgressive and three regressive stages in the evolution of the Arctic shelf were established for the last 50,000 years. Air and permafrost temperatures and their spatial and temporal variations were reconstructed for regressive epochs, while sea bottom temperatures, salinity and "overburden pressure" were reconstructed for transgressive periods. The possible thickness of permafrost in coastal areas is 345-455 m. The possible thickness of ice-bonded permafrost and non ice-bonded saline permafrost ranges from 240-350 and 20-25 m respectively in the central shelf, to 140-175 and 10 m in the outer shelf. |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | http://www.arlis.org/docs/vol1/ICOP/40770716/CD-ROM/Proceedings/PDF001189/033331.pdf |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
