干旱区研究 ›› 2013, Vol. 30 ›› Issue (3): 534-540.

• 环境保护 • 上一篇    下一篇

应用宇宙成因核素10Be和26Al追溯环境变迁过程

 赵国庆1,2, 张丽1,2,3, 武振坤1,2, 鲜锋1,2, 孔祥辉1,2   

  1. 1. 中国科学院地球环境研究所,黄土与第四纪地质国家重点实验室,陕西 西安 710075; 2. 西安加速器质谱中心,
    陕西 西安 710061; 3. 中国科学院研究生院,北京 100049
  • 收稿日期:2012-05-02 修回日期:2012-06-15 出版日期:2013-05-15 发布日期:2013-05-16
  • 作者简介:赵国庆(1983-),男,硕士,助理工程师,研究方向为10Be环境示踪.E-mail: zhaogq@ieecas.cn
  • 基金资助:

    中国科学院地球环境研究所黄土与第四纪地质国家重点实验室开放基金(Y05200J225)

Tracing Paleoenvironment Changes with Cosmogenic Nuclides 10Be and 26Al

 ZHAO  Guo-Qing1,2, ZHANG  Li1,2,3, WU  Zhen-Kun1,2, XIAN  Feng1,2, KONG  Xiang-Hui1,2   

  1. 1. State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, 
    Xi’an 710075, China; 2. Xi’an Accelerator Mass Spectrometry Center, X[JP8]i’[JP]an 710061, China;
    3. Graduate University, Chinese Academy of Sciences, Beijing 100049, China
  • Received:2012-05-02 Revised:2012-06-15 Published:2013-05-15 Online:2013-05-16

摘要: 宇宙成因核素10Be和26Al因其特殊的形成机制、稳定的地球化学行为和相对较长的半衰期,可有效示踪不同时间尺度地球环境演化过程,近年来在追溯地貌演化和第四纪古环境变迁中得到了广泛应用。通过介绍10Be和26Al的生成机制,大气成因10Be的应用,原地成因10Be与26Al测年的基本原理、影响因素和采样及实验注意事项等,为进一步拓展宇宙成因核素10Be和26Al应用研究提供有益参考。

关键词: 宇宙成因核素, 10Be, 26Al, 第四纪古环境, 地貌演化 

Abstract: Cosmogenic nuclides 10 Be and 26Al have been widely applied to trace the paleoenvironment changes and the evolution of landforms during the Quaternary Period because of their unique formation mechanism, stable geochemical properties and long radioactive half-life. In this paper, the formation mechanism of 10Be and 26Al, application of atmospheric cosmogenic 10Be, basic principles of 10Be and 26Al dating, affecting factors and considerations in field sampling and laboratory test of 10Be and 26Al were discussed. The application of 10Be and 26Al in tracing the paleoenvironment changes was introduced so as to provide a useful reference for researching cosmogenic nuclides of 10Be and 26Al in geoscience and Quaternary geology in the future.

Key words: cosmogenic nuclide, 10Be, 26Al, quaternary paleoenvironment, landform evolution