Near-zero Delta C-14 values at 32 kyr cal BP observed in the highresolution C-14 record from U-Th dated sediment of Lake Lisan

Publication Status is "Submitted" Or "In Press: 
LDEO Publication: 
Publication Type: 
Year of Publication: 
2004
Editor: 
Journal Title: 
Radiocarbon
Journal Date: 
Place Published: 
Tertiary Title: 
Volume: 
46
Issue: 
2
Pages: 
785-795
Section / Start page: 
Publisher: 
ISBN Number: 
0033-8222
ISSN Number: 
Edition: 
Short Title: 
Accession Number: 
ISI:000223807300028
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Abstract: 

A high-resolution atmospheric radiocarbon record has been obtained for the interval of 17-36 kyr from U/Th-dated aragonite sediment of Lake Lisan. Reservoir age corrections were applied with reservoir ages of 200, 1250, and 2000 yr, which correlate with the different water levels of the lake, The present C-14 record for Lake Lisan shows near resemblance with that of Lake Suigetsu: both converge to the value of Delta(14)C similar to0%. at 32 kyr cal BR Both also show significant differences compared to other reported high-resolution C-14 records (e.g. Iceland Sea, Cariaco basin, and Bahamas speleothem). This inconsistency should be addressed by re-assessment of the basic assumptions behind the determination of calendar ages of the various records.

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853DSTimes Cited:3Cited References Count:17

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