Vladimir Tumskoy

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A newly discovered Paleolithic site on the Yana River, Siberia, at 71 degrees N, lies well above the Arctic circle and dates to 27,000 radiocarbon years before present, during glacial times. This age is twice that of other known human occupations in any Arctic region. Artifacts at the site include a rare rhinoceros foreshaft, other mammoth foreshafts, and a(More)
1 Geophysical Institute, University of Alaska, Fairbanks, AK, USA 2 ABR, Inc., Fairbanks, AK, USA 3 Department of Botany, University of Florida, Gainesville, FL, USA 4 Department of Civil and Environmental Engineering, University of Alaska, Fairbanks, AK, USA 5 Institute of Northern Engineering, University of Alaska, Fairbanks, AK, USA 6 Department of(More)
The rates of subsea permafrost degradation and occurrence of gas-migration pathways are key factors controlling the East Siberian Arctic Shelf (ESAS) methane (CH4) emissions, yet these factors still require assessment. It is thought that after inundation, permafrost-degradation rates would decrease over time and submerged thaw-lake taliks would freeze;(More)
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