Electrical resistivity tomography applied to groundwater aquifer at downstream of Chih-Ben Creek basin, Taiwan

Hsin Fu Yeh, Hung I. Lin, Chi Shin Wu, Kuo Chin Hsu, Jhe Wei Lee, Cheng Haw Lee

研究成果: Article同行評審

12 引文 斯高帕斯(Scopus)

摘要

Groundwater resource investigations primarily involve inferring groundwater levels and recharge sources from factors such as the distributed location and range, subsurface geological structure, and flow paths of groundwater sources. This study conducted an investigation on the underground aquifer at the downstream of the Chih-Ben Creek basin, Taiwan. In addition, convenient, rapid, and accurate two-dimensional electrical resistivity tomography (ERT) was employed for evaluations. The cross-sectional ERT image indicates that the low-resistivity region in the stratum at survey line CB01 may be a groundwater deposit or fracture zone. This region can be divided into three major segments. The segment that is 0–50 m from the survey line exhibits a decreasing trend and is thus inferred to be a recharge source. Survey line CB02 can be generally divided into four layers, with the second layer containing a greater amount of groundwater. This layer is an aquifer with a depth of approximately 25–100 m below the ground surface and 75–100 m in thickness. The base of the aquifer slopes toward the east and primarily possesses a lithological composition of slate and sandstone with explicit and fractured joints.

原文English
頁(從 - 到)4681-4687
頁數7
期刊Environmental Earth Sciences
73
發行號8
DOIs
出版狀態Published - 2015 四月

All Science Journal Classification (ASJC) codes

  • 全球和行星變化
  • 環境化學
  • 水科學與技術
  • 土壤科學
  • 污染
  • 地質學
  • 地表過程

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