青海湖湖东沙地河湖-风成沉积记录的中晚全新世以来环境变化
陈东雪, 鲁瑞洁, 丁之勇, 刘小槺

Mid-late Holocene environmental changes recorded by fluvio-lacustrine and aeolian sediments in the eastern sandy land of Qinghai Lake
Dongxue Chen, Ruijie Lu, Zhiyong Ding, Xiaokang Liu
表1 SDTDSTK剖面AMS14C测年结果及校正年代
Table 1 AMS14C dating results from the SDT and DSTK profiles
实验室编号样品号深度/cm测年材料δ13C/‰14C/a BP校正年龄/cal a BP
449511SDT-14C-03117—119有机质-23.93620±303958±107
449514SDT-14C-12272—274植物残体-23.04410±305040±170
449515SDT-14C-17296—298植物残体-24.84570±305258±177
449516SDT-14C-20323—325有机质-23.85470±306260±45
449517SDT-14C-21242—244植物残体-22.63830±304243±142
451588SDT-14C-21242—244有机质-25.13830±304243±142
422372DSTK-14C-0141有机质-23.24400±305038±172
422373DSTK-14C-0287有机质-22.25970±306810±75
422374DSTK-14C-06160有机质-22.77570±308380±30