一项关于大气中宇宙成因放射性核素7Be和22Na垂直扩散的研究。
A study of the vertical diffusion of the cosmogenic radionuclides, 7Be and 22Na in the atmosphere.
作者信息
Jasiulionis Rimvydas, Wershofen Herbert
机构信息
Institute of Physics, Savanoriu 231, LT-2028 Vilnius, Lithuania.
出版信息
J Environ Radioact. 2005;79(2):157-69. doi: 10.1016/j.jenvrad.2004.06.003.
The study of the mean vertical concentration profile of cosmogenic radionuclides provides information on the vertical transport in the troposphere and stratosphere. This paper is based on the results of accurate measurements of the mean monthly activity concentrations of (7)Be and (22)Na in ground-level air, data of the production rate of cosmogenic radionuclides in the atmosphere and a one-dimensional steady-state diffusion equation numerically solving the finite difference approximation.
宇宙成因放射性核素平均垂直浓度剖面的研究提供了对流层和平流层中垂直传输的信息。本文基于对地面空气中（7）Be和（22）Na平均月活度浓度的精确测量结果、大气中宇宙成因放射性核素产生率的数据以及通过有限差分近似数值求解的一维稳态扩散方程。
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