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

LIU Fu-tian1, SU Xiao-si1, HOU Guang-cai1,2,LIN Xue-yu1, YI Shu-ping1,DONG Wei-hong1   

  1. 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<

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, CFCS, groundwater age

CLC Number: 

  • P641.3
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