Development and verification of long-range atmospheric transport model of radon-222 and lead-210 including scavenging process

被引：0

作者：

Hirao, Shigekazu ^{[1
]}

Nono, Yuki ^{[1
]}

Yamazawa, Hiromi ^{[1
]}

Moriizumi, Jun ^{[1
]}

Iida, Takao ^{[1
]}

Yoshioka, Katsuhiro ^{[2
]}

机构：

[1] Nagoya Univ, Grad Sch Engn, Nagoya, Aichi 4648603, Japan

[2] Shimane Prefectural Inst Environm Sci, Matsue, Shimane 690, Japan

来源：

NATURAL RADIATION ENVIRONMENT | 2008年 / 1034卷

关键词：

radon-222; concentration; lead-210; deposition; atmospheric transport model; long-range transport; wet deposition; MM5; East Asia;

D O I：

暂无

中图分类号：

Q6 [生物物理学];

学科分类号：

071011 ;

摘要：

A three-dimensional Eulerian atmospheric long-range transport model of radon-222 (Rn-222) and lead-210 (Pb-210) coupled with meteorological model MM5 was developed. The model calculates advection, diffusion, radiation decay and deposition processes in a horizontal scale of several thousand kilometers. This model was applied to East Asia. Performance of the model was evaluated with measured hourly surface air Rn-222 concentration and monthly Pb-210 deposition. The model verification was done with respect to the following points: 1) the sensitivity of vertical distribution of turbulent diffusivity and 2) the accuracy of spatial distribution of precipitation. In this report, improvement of the model performance is also discussed.

引用

页码：407 / +

页数：2

共 41 条

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