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http://dx.doi.org/10.5467/JKESS.2020.41.4.381

Groundwater Productivity and Rehabilitation of Radial Collector Wells for Agriculture near Okseong Underground Dam  

Jeon, Hang-Tak (Department of Geological Sciences, Busan National University)
Hamm, Se-Yeong (Department of Geological Sciences, Busan National University)
Hong, Soun-Ouk (Jeongbuk Regional Headquarter, Korea Rural Community Corporation)
Lee, Sang Yong (Impulse Tech Co., Ltd.)
Kim, Hyoung-Soo (Department of Renewable Energy, Jungwon University)
Publication Information
Journal of the Korean earth science society / v.41, no.4, 2020 , pp. 381-390 More about this Journal
Abstract
When a radial collector well is installed and operated for agricultural purposes, negative impacts may be observed over time due to the clogging of horizontal arms, such as reduced groundwater discharge and water quality deterioration. When radial collector well No. 2 was rehabilitated using the high-pressure impulse generation technique, the specific capacity and transmissivity were increased by 43.1 and 100.6%, respectively. In contrast, according to air surging, the specific capacity and transmissivity increased by 33.8 and 85.8%, respectively, compared to the initial rate before rehabilitation. During the operation of radial collector wells since construction, the time of well rehabilitation can be effectively determined by continuously monitoring the groundwater level and pumping rate of the radial collector wells, thereby preventing a decrease in productivity.
Keywords
radial collector well; horizontal arm; specific capacity; transmissivity; well rehabilitation;
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Times Cited By KSCI : 2  (Citation Analysis)
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