Estimation of modern sedimentation rate in Zun-Torei Lake (East Trans-Baikal Region) by 137Cs

On the basis of bottom sediment core dating performed by the technogenic isotope 137 Cs, the rate of sedimentation in periodically drying Zun-Torei Lake (water area is up to 300 km 2 ) is estimated at 2.88 mm per year over the last 59 years. This value is in agreement with the data of palinological...

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Bibliographic Details
Published in:Doklady earth sciences 2011, Vol.437 (1), p.335-339
Main Authors: Zamana, L. V., Ptitsyn, A. B., Chu, G., Reshetova, S. A., Dar’in, A. V., Kalugin, I. A.
Format: Article
Language:English
Subjects:
Earth and Environmental Science
Earth Sciences
Freshwater
Geology
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Summary:On the basis of bottom sediment core dating performed by the technogenic isotope 137 Cs, the rate of sedimentation in periodically drying Zun-Torei Lake (water area is up to 300 km 2 ) is estimated at 2.88 mm per year over the last 59 years. This value is in agreement with the data of palinological determinations (3.44 mm per year). High sedimentation rates are attributed to intensive evaporite sedimentation and probable eolian addition of terrigenous material.
ISSN:1028-334X
1531-8354
DOI:10.1134/S1028334X11030287