High lake levels on Alxa Plateau during the Late QuaternaryReport as inadecuate




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Chinese Science Bulletin

, Volume 56, Issue 17, pp 1799–1808

First Online: 10 May 2011Received: 06 December 2010Accepted: 25 March 2011

Abstract

Field investigations including lake shoreline measurement and C chronology have been carried out on the Alxa Plateau to better understand the formation and evolution of the high lake levels in northwest China during the late Pleistocene. Comprehensive field investigations show that there are at least ten shorelines at different elevations at Juyan Lake, at least four on the northwest side of the Jilantai Salt Lake, and nine shorelines and one terrace on the northeast margin of Zhuye Lake. Stratigraphic correlations and chronological evidence indicate that the paleo-lakes have the highest lake levels in Marine Isotope Stage MIS 3. Though the optically stimulated luminescence OSL results which have been reported by some scholars do not support this view, the fact that the paleo-lakes have the highest lake levels in MIS 3 can not be denied. Differences between OSL and C results from this work might indicate that high lake levels existed on the Alxa Plateau during two different periods. It also suggests that the high lake levels may exist in both MIS 5 and early MIS 3. This paper also provides the basic hydrological information for further water resources research in this arid region.

KeywordsAlxa Plateau desert MIS 3 MIS 5 high lake levels late Quaternary This article is published with open access at Springerlink.com

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Author: NaiAng Wang - ZhuoLun Li - HongYi Cheng - Yu Li - YinZhou Huang

Source: https://link.springer.com/article/10.1007/s11434-011-4498-8







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