The reliability of 14C dating data is relatively reduced by the buried environment alternations, characteristics and late polluted extent of the samples obtainned from glacial and
permafrost areas. The rehcts of logs and twigs reminded in glaciers and lacustrine silt show more reliability for 14C dating than that in permafrost soil. Additionally, the C-isotopic formational mechenism in sedimentory procpess and the comparison between the inorganic 14C dating and organic 14C dating show that the late...
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随着冰川冻土研究工作的深人,研究工作者从野外采集的14C测年的各类样品也越来越多,为了使野外工作者对14C方法有基本了解,使样品尽量具有代表性,有必要对冰川冻土地区碳同位素形成中的影响与野外采样方法进行探讨。 r ,1 冰碛垅中土质夹杂物 冰碛垅作为古冰川遗迹,,是研究冰川