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Climate variability recorded by n-alkanes of paleolake sediment in Qaidam Basin on the northeast Tibetan Plateau in late MIS3 |
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| Authors: | PU Yang ZHANG HuCai LEI GuoLiang CHANG FengQin YANG MingSheng ZHANG WenXiang LEI YanBin YANG LunQing & PANG YouZhi State Key Laboratory of Lake Science Environment Nanjing Institute of Geography Limnology Chinese Academy of Sciences Nanjing China Graduate University of Chinese Academy of Sciences Beijing Key Laboratory of Boyang Lake MOE School of Environmental Chemical Engineering Nanchang University Nanchang |
| Institution: | PU Yang1,2,ZHANG HuCai1,LEI GuoLiang1,CHANG FengQin1,YANG MingSheng3,ZHANG WenXiang1,LEI YanBin1,YANG LunQing1,2 & PANG YouZhi1,2 1 State Key Laboratory of Lake Science , Environment,Nanjing Institute of Geography , Limnology,Chinese Academy of Sciences,Nanjing 210008,China,2 Graduate University of Chinese Academy of Sciences,Beijing 100049,3 Key Laboratory of Boyang Lake,MOE,School of Environmental , Chemical Engineering,Nanchang University,Nanchang 330031 |
| Abstract: | Here we combine n-alkanes preserved in a shell bar section from Qarhan paleolake, Qaidam Basin with the other sedimentary proxies to elucidate the lake evolution process during the period 39.7 to 17.5 14C ka BP (calibrated age ranges from 43.5 to 22.4 cal. ka BP). In different stages, the n-alkane homologues exhibited different distribution modes indicative of variations in the surrounding vegetation and the hydrologic condition of the lake. The n-alkanes proxies (CPIh, ACLh, Paq) have the same trends as th... |
| Keywords: | paleolake sediment molecular fossil n-alkane paleoclimate paleoenvironment solar insolation |
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