CFCS法在鄂尔多斯白垩系地下水盆地浅层地下水年龄研究中的应用

CFC_S法在鄂尔多斯白垩系地下水盆地浅层地下水年龄研究中的应用

柳富田¹,苏小四¹,侯光才^1,2,林学钰¹,易树平¹,董维红¹

1.吉林大学环境与资源学院/水资源与环境研究所，长春 130026；2.西安地质矿产研究所，西安 710054

收稿日期:2006-11-20 修回日期:1900-01-01 出版日期:2007-03-26 发布日期:2007-03-26
通讯作者: 柳富田

Application of CFCS Methods in Dating Shallow Groundwater in the Ordos Cretaceous Groundwater Basin

LIU Fu-tian¹, SU Xiao-si¹, HOU Guang-cai^1,2,LIN Xue-yu¹, YI Shu-ping¹,DONG Wei-hong¹

1. College of Environment and Resources/Institute of Water Resources and Environment, Jilin University, Changchun 130026, China；2. Xi’an Institute of Geology and Mineral Resources, Xi’an 710054,China

Received:2006-11-20 Revised:1900-01-01 Online:2007-03-26 Published:2007-03-26
Contact: LIU Fu-tian<

摘要/Abstract

摘要： 鄂尔多斯白垩系地下水盆地是中国重要的能源基地，利用CFC_S方法对鄂尔多斯白垩系地下水盆地年轻地下水年龄进行测定，取得了比较准确的结果。结果表明，盆地地下水系统可以分为局部地下水系统、中间地下水系统和区域地下水系统。地下水盆地内局部地下水系统地下水循环更替快，年龄为20 a左右，地下水年龄随深度增加而增加；中间地下水系统和区域地下水系统地下水循环更替相对较慢，年龄大于70 a，可以寻求¹⁴C等其他同位素方法确定准确年龄。

关键词: 鄂尔多斯白垩系地下水盆地, 浅层地下水, CFC_S, 地下水年龄

Abstract: The Ordos Cretaceous Groundwater Basin is an important energy basin of China. The CFCS method is applied in the Ordos Cretaceous Groundwater Basin to determine the young groundwater age and the exact results have been derived. It can be concluded that the Cretaceous Groundwater Basin can be divided into local groundwater system, middle groundwater system and regional groundwater system. The cycle rate in the local groundwater system is fast and the age is about 20 years old, which increases with the depth. The cycle rates of the middle groundwater system and the regional groundwater system are relatively slow, which ages are older than 70 years, and the correct ages can be derived from other isotopes such as ¹⁴C.

Key words: Ordos Cretaceous Groundwater Basin, shallow groundwater, CFC_S, groundwater age

中图分类号:

P641.3

柳富田,苏小四,侯光才,林学钰,易树平,董维红. CFC_S法在鄂尔多斯白垩系地下水盆地浅层地下水年龄研究中的应用[J]. J4, 2007, 37(2): 298-302.

LIU Fu-tian, SU Xiao-si, HOU Guang-cai,LIN Xue-yu, YI Shu-ping,DONG Wei-hong. Application of CFCS Methods in Dating Shallow Groundwater in the Ordos Cretaceous Groundwater Basin[J]. J4, 2007, 37(2): 298-302.

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