• Efficient Leakage Estimation of Public Agriculture Groundwater in Jeju Island
  • Kim MinChul·Park WonBae*·Kang BongRae·Kim JiMyung

  • Jeju Research Institute, Jeju Island 63147, Korea

  • 제주도 공공 농업용 지하수의 효율적 누수량 산정 연구
  • 김민철·박원배*·강봉래·김지명

  • 제주연구원


In this study, leakage ratios of Jeju Island's public agricultural groundwater were calculated by utilizing field measurements of groundwater level and surface reservoir water level. The average leakage ratios were 75.6% at groundwater well A and 57.5% at well B, with the ratio inversely proportional to agricultural water usage. The level of agricultural reservoirs varied at constant intervals at night, and the amount of water leakage associated with the variation was estimated as 0.1 - 16.3 m3/h. The leakage ratio was also influenced by pipeline length, average slope, and number of farmhouses. Currently, the estimation of agricultural water leakage on Jeju Island is based upon field inspection which is very labor- and cost intensive. The leakage ratio estimated by monitoring the reservoirs associated with the well A and B were 73.3 and 54.7%, respectively, consistent with the values obtained by field measurements.

Keywords: Jeju Island, Agricultural water, Leakage ratio, Reservoir water level monitoring

This Article

  • 2020; 25(3): 1-11

    Published on Sep 30, 2020

  • 10.7857/JSGE.2020.25.3.001
  • Received on Feb 12, 2020
  • Revised on Mar 2, 2020
  • Accepted on Aug 21, 2020

Correspondence to

  • Park WonBae
  • Jeju Research Institute, Jeju Island 63147, Korea

  • E-mail: gwaterpark@jri.re.kr