摘要
本文基于^(226)Ra和^(210)Pb的沉积地球化学特征,推导出沉积柱^(210)Pb放射性分布的数学模式。据此,讨论了^(210)Pb法测年数据处理的一种可能的新方法——^(210)Pb总放射性指数拟合法。
Based on the geochemical characteristics of ^(226)Ra and ^(210)Pb in the marine sediment, the mathematical models describing the distribution of ^(210)Pb in sediment column are formulated. Accordingly, the exponential fitting of ^(210)Pb total activities, a new method potential for data processing of ^(210)Pb dating is discussed. This method, using directly dating data of ^(210)Pb activities, is more convenient for computer processing than the current methods. by caloutating 'excess ^(210)Pb activitivy'. This method provides ^(210)Pb activities closer to the reality.
出处
《应用海洋学学报》
CSCD
1989年第3期3-10,共8页
Journal of Applied Oceanography
