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《GEOCHIMICA》 1995-S1
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THE  ̄(14)C DATING OF YANWO LAKE SEDIMENTS

Shen Chengde; Chen Xiaobo; Zheng Honghan;Yi Weixi; Liu Tunsheng (Guangzhou Institute of Geochemistry, The Chinese Academy of Sciences, Guangzhou 510640)(Lanzhou Institute of Glaciology and Geocryology, The Chinese Academy of Sciences,Lanzhou 730000) (Geol  
The  ̄(14)C ages of terrestrial moss from the Yanwo Lake, Antarctic have been accurately determined by means of accelerator mass spectrometry method and the sedimentation rates of 0.03-0.11cm/a were obtained. Based on these rates, it can be estimated that the Yanwo Lake sediments formed since 13000a, i. e. last glacial.The latitude effect of  ̄14C productivity, reservior effect, environment effect, hardwater effect on ̄(14)C age of Antarctic lake sediments have also been discussed.
【Fund】: 国家自然科学基金 瑞士国家基金
【CateGory Index】: P59
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