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^(222)Rn在大气输运研究中的示踪应用 被引量：3

THE APPLICATION OF ^(222)Rn AS A TRACER IN ATMOSPHERE TRANSPORTATION STUDY
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摘要 本文简要回顾了222Rn及其子体示踪应用的主要方面,介绍了国内外对利用222Rn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222Rn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222Rn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222Rn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222Rn在上层大气输运模型中的下垫面边界条件。 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.
作者 滕海云 郭秋菊 马丁
机构地区 北京大学物理学院
出处 《辐射防护》 CAS CSCD 北大核心 2008年第1期18-23,35,共7页 Radiation Protection
基金 国家自然科学基金资助项目(项目编号:10775007)
关键词 氡 大气输运 扩散模型 数值模拟 Radon, Atmosphere Transportation, Diffusion Model, Numerical Value Simulation
分类号 TL7 [核科学技术—辐射防护及环境保护]
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参考文献19

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二级参考文献14

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共引文献1

同被引文献33

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辐射防护
2008年 第1期

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