中文摘要：

本文简要回顾了222^Rn及其子体示踪应用的主要方面，介绍了国内外对利用222^Rn及其子体在预报地震和大气物质输运研究这两方面的工作。对这些示踪应用而言，要进行准确的定量分析和数值模拟，必须对222^Rn及其子体在大气中的输运规律有细致的了解，这一点可以通过研究其动力学特征，建立输运模型来实现。本文中列举了部分对222^Rn及其子体输运模式的研究，对比上层大气中的简单输运模型，一个比较全面的222^Rn输运模型还需要考虑地表层结大气中的复杂的动力学因素，并将其作为222^Rn在上层大气输运模型中的下垫面边界条件。

英文摘要：

222 ^Rn and its progeny are widely applied as a tracer in many studies, mainly for the prediction of earthquake and atmosphere transportation of pollutants. Precise simulations on the transportation of 222^Rn and its progeny, which could be deduced from their kinetic characteristics, are required. With respect to the kinetic model in the upper atmosphere, the perpendicular transport model for 222 ^Rn in the near ground layer support a reasonable configuration as the bottom edge of the former.