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Analysis on Statistical Relationship between Groundwater Quality and Geology  

Kim, Jong-Tae (Dept. of Earth and Environmental Sciences, Andong National University)
Park, Sang-Joo (Korea Rural Community & Agriculture Corporation)
Kang, Mee-A (Dept. of Environmental Engineering, Andong National University)
Choo, Chang-Oh (Dept. of Earth and Environmental Sciences, Andong National University)
Jeong, Gyo-Cheol (Dept. of Earth and Environmental Sciences, Andong National University)
Publication Information
The Journal of Engineering Geology / v.17, no.3, 2007 , pp. 445-453 More about this Journal
Abstract
The purposes of this study lie on understanding characteristic water-rock interaction mechanisms of groundwater in the Geochang, Hapcheon, and Changryeong areas and establishing correlation between geological factors and groundwater chemistry by statistical tools. Based on the statistical results from the relationship between rock types and groundwater chemistry, fluorine is correlated with Fe and Al in the diorite area, whereas it is correlated with Cl and $NO_3-N$ in the andesite area. Hardness, total solids, and $SO_4$ show that they are closely related to each other in all rock types, especially with highest relationship in sedimentary rocks. Although it is generally acknowledged that TDS increases with depths of aquifer due to the long term water-rock interaction, no remarkable relationship between well depth and water chemistry is found in this study. It appears that hydrogeological system in the study area may be complex or the path of water-rock interaction is inconsistent with well depth.
Keywords
groundwater; water-rock interaction; geological factors; groundwater chemistry; statistical tools;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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