Abstract
We discuss the C-14 dating (both conventional and AMS) of Siberian permafrost sediments and ice-wedge ice. Direct dating of Late Pleistocene and Holocene syngenetic ice-wedges was done on organic material included in the ice. The time of ice formation (in C-14 years) is 21,000-14,000 BP for Seyaha, and 7100 BP for Shchuch'ya. The AMS dates show that the ice-wedges stratification is normal, i.e., the older ice is located below the younger. The C-14 dates yield for the first time a timescale (in C-14 years) for paleoclimatic indicators (oxygen and hydrogen isotope ratios from the ice). (C) 2000 Elsevier Science B.V. All rights reserved.
Original language | English |
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Pages (from-to) | 637-641 |
Number of pages | 5 |
Journal | Nuclear Instruments & Methods in Physics Research Section B-Beam Interactions with Materials and Atoms |
Volume | 172 |
Issue number | 1 |
DOIs | |
Publication status | Published - Oct-2000 |
Event | 8th International Conference on Accelerator Mass Spectrometry - , Austria Duration: 6-Sept-1999 → 10-Sept-1999 |
Keywords
- AMS C-14-dating
- syngenetic ice-wedges
- Late Pleistocene
- Holocene