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A Study of the Variation of Runoff Characteristics Depending upon Installation of the Groundwater Recharge Facilities  

Choi, Gye-Woon (인천대학교 공과대학 토목환경시스템공학과)
Kim, Young-Kyu (인천대학교 공과대학 토목환경시스템공학과)
Jeoung, Kee-Il (인천대학교 공과대학 토목환경시스템공학과)
Publication Information
Journal of the Korean Society of Hazard Mitigation / v.4, no.4, 2004 , pp. 27-34 More about this Journal
Abstract
In this paper, in order to analyse the variation of runoff characteristics depending upon installation of the groundwater recharge facilities, the experiment basin was prepared and the ratio of infiltration and runoff volume were observed in the rainfall events. For the rainfall analysis, 4 types of rainfall events were examined during July 11${\sim}$July 17, 2004. The results show that the mean ratio of infiltration was 89.39% and the mean ratio of runoff was 10.61%. For the artificial rainfall events, which are in the range of rainfall intensities between 60mm/hr and 100mm/hr, all the rainfall volume was infiltrated through the groundwater recharging basin. However, it is necessary to be careful for the long term rainfall, the runoff can be occurred based on the groundwater table.
Keywords
groundwater recharge installtion; the ratio of runoff; the ration of infiltration; runoff characteristic;
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