Formation mechanism of deep groundwater at the Xinchang site of high-level radioactive waste geological disposal in China

被引：4

作者：

Zhou, Zhichao ^{[1
]}

Wang, Ju ^{[1
]}

Su, Rui ^{[1
]}

Guo, Yonghai ^{[1
]}

Li, Jiebiao ^{[1
]}

Zhao, Jingbo ^{[1
]}

Zhang, Ming ^{[1
]}

Ji, Ruili ^{[1
]}

Li, Yanan ^{[1
]}

机构：

[1] Beijing Res Inst Uranium Geol, CAEA Innovat Ctr Geol Disposal High Level Radioac, Beijing 100029, Peoples R China

来源：

JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2023年 / 332卷 / 04期

关键词：

High-level radioactive waste; Deep groundwater; Isotopic dating; Safety assessment;

D O I：

10.1007/s10967-022-08697-0

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The formation mechanism of deep groundwater is a key issue for the safety assessment of the high-level radioactive waste repository. The circulation characteristics and age of deep groundwater at the Xinchang site were characterized. The results show that the permeability of the deep parts of the faults at the site is low and the scale is small. Deep groundwater did not undergo deep circulation. The C-14 age of the deep groundwater was approximately 13.2 ka, and the deep groundwater circulation renewal rate was very slow. Therefore, the hydrogeological conditions at the site are beneficial to the selection of the site as a repository.

引用

页码：897 / 905

页数：9

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