Инд. авторы: | Krivonogov S.K., Kuzmin Y.V., Burr G.S. |
Заглавие: | Environmental changes in the Aral Sea region (Central Asia): Initial results of a radiocarbon-based study |
Библ. ссылка: | Krivonogov S.K., Kuzmin Y.V., Burr G.S. Environmental changes in the Aral Sea region (Central Asia): Initial results of a radiocarbon-based study // Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. - 2010. - Vol.268. - Iss. 7-8. - P.1080-1083. - ISSN 0168-583X. |
Внешние системы: | DOI: 10.1016/j.nimb.2009.10.103; РИНЦ: 15326199; SCOPUS: 2-s2.0-77949901875; |
Реферат: | eng: Two sites were recently studied in the southern part of the Aral Sea. In borehole M1, several 14C dates were generated. Two major low stands of the Aral Sea, at ca. 1000-1500 BP (ca. 700-1200 cal BP) and ca. 4800-5400 BP (ca. 5300-5900 cal BP), and a higher level at ca. 1500-4800 BP (ca. 1200-5300 cal BP), were determined. Our data are generally consistent with previously received results, besides high level at ca. 4200-6600 cal BP contra to Boomer et al. (2000) [8] and extremely low level at ca. 1400-1900 cal BP contra to Tarasov et al. (1996) [16] and Boomer et al. (2000) [8]. Further 14C dating should clarify these discrepancies. In the mean time, it is obvious that catastrophes of the Aral Sea ecosystem, similar to the modern episode, which began in the 1960s, happened several times in the past. © 2009 Elsevier B.V.
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Ключевые слова: | Holocenes; Environmental change; Central Asia; Aral Sea; Low level; Environmental changes; Central Asia; Aral Sea; AMS 14C dating; Holocene; |
Издано: | 2010 |
Физ. характеристика: | с.1080-1083 |