Estiamtion of Groundwater Recharge Rate Using the NRCS-CN and the Baseflow Separation Methods

NRCS-CN방법과 기저유출 분리법을 이용한 지하수함양률 산정

  • Bae Sang-Keun (Department of Civil Engineering, Keimyung University) ;
  • Kim Yong-Ho (Department of Civil Engineering, Keimyung University)
  • 배상근 (계명대학교 토목공학과) ;
  • 김용호 (계명대학교 토목공학과)
  • Published : 2006.03.01


Groundwater recharge from precipitation is affected by the infiltration from ground surface and the movement of soil water. Groundwater recharge is directly related to the groundwater amount and flow in aquifers, and baseflow to rivers. Determining groundwater recharge rate for a given watershed is a prerequisite to estimate sustainable groundwater resources. The estimation of groundwater recharge rate were carried out for three subwatersheds in the Wicheon watershed and two subwatersheds in the Pyungchang River basin and for the period 1990-2000, using the NRCS-CN method and the baseflow separation method. The recharge rate estimates were compared to each other. The result of estimation by the NRCS-CN method shows the average annual recharge rate 15.4-17.0% in the Wicheon watershed and 26.4-26.8% in the Pyungchang River basin. The average annual recharge rates calculated by the baseflow separation method ranged 15.1-21.1% in the W icheon watershed, and 25.2-33.4% in the Pyungchang River basin. The average annual recharge rates calculated by the NRCS-CN method is less variable than the baseflow separation method. However, the average annual recharge rates obtained from the two methods are not very different, except NO. 6 subwatershed in Pyungchang River basin.


  1. Andres, G. and R. Egger, 1985, A new tritium interface method for determining the recharge rate of deep groundwater in the Bavarian Molasse basin, Journal of Hydrology, 82, 27-38
  2. Solomon, D. K., S. L. Schief, R. J. Poreda and W. B. Clarke, 1993, A varidation of $^{3}H/^{3}He$ method for determining groundwater recharge, Water Resources Research, 29(9), 2951-2962
  3. 小野寺, 眞一, 1996,熱帶半乾燥地域における集中的な地下水涵養機構, ハイ ド ロ ロ ジ 一, 26(2), 87-90
  4. Sukhija, B. S., D. V. Reddy, P. Nagabhushanam and S. Hussain, 1996, Environmental and injected tracers methodology to estimate direct precipitation recharge to a confined aquifer, Journal of Hydrology, 177, 77-97
  5. 谷口 眞人, 1990,牧草地およびアカマツ林における地下水涵養量と地溫分布, 水理實驗センタ 一報告, 14, 69-74
  6. Arnold, J. G., R. S. Muttiah, R. Srinivasan and P. M. Allen, 2000, Regional estimation of base flow and gorundwater recharge in the Upper Mississippi river basin, Journal of Hydrology, 227(1), 21-40
  7. 平山利晶, 1999, 地下水モ ヂ リソグのためのデ一タ解析手法の基礎 2.1 雨水浸透. 地下水かん養, 地下水學會誌, 41(3), 202-212
  8. 한국수자원공사, 1993, 지하수자원 기본조사보고서, 한국수자원공사
  9. 한국수자원공사, 1994, 지하수자원 기본조사(2차) : 지하수 이용관리법안수립 및 대체용수원 개발지역 산정조사 보고서, 한국수자원공사
  10. 한국수자원공사, 1995, 지하수자원 기본조사(3차) : 지하수 관리조사 보고서, 한국수자원공사
  11. 이동률, 1995, 지하수 감수곡선을 이용한 지하수 함양량 추정과 장기 갈수량 예측, 박사학위논문, 고려대학교
  12. 최병수, 안중기, 1998, 지역단위 지하수 자연함양률 산정방법 연구, 대한지하수환경학회, 5(2), 57-65
  13. 김경호, 윤영호, 조재혁, 1998, SCS-CN 방법에 의한 초정지역의 함양량 산정, 건설기술연구소논문집, 충북대학교, 17(2), 1-15
  14. 정영훈, 김경호, 2000, SCS-CN 방법에 의한 미원면의 지하수 함양량 추정, 건설기술연구소논문집, 충북대학교, 19(2), 181-190
  15. 배상근, 2002, 지하수함양량 산정방법에 대한 고찰, 한국수자원학회지, 한국수자원학회, 35(3), 50-59
  16. Soil Conservation Service, 1969, 1971, Hydrology, SCS National Engineering Handbook, Section 4
  17. Aron, G., A. Miller and D. Laktos, 1977, Infiltration Formula Based on SCS Curve Numbers, Journal of Irrigation and Drain, Div. ASCE, 103(IR4), 419-427
  18. Hjelmfelt, A. T., 1980, Curve Number Procedures as Infiltration Method, Journal of Hydraulic. Div. ASCE, 106(HY 6), 1107-1111
  19. Mayboom, P., 1961, Estimating Groundwater recharge from stream hydrographs, Journal of Geophysical Research, 66(4), 1203-1214
  21.시공간 자료 활용기술 개발)
  22. 건설교통부, 1983-2003, 국제수문개발계획(IHP) 연구보고서
  23. 前田 眞, 嵨田 純, 田中 正, 榧根 勇, 1986, 豪雨時における關東loam層の水收支, 日本水文科學會志, 16(1), 1-8
  24. 박창근, 1996b, 우리나라 지하수 개발가능량 추정: 2. 5대강 유역에의 적용, 한국지하수환경학회지, 한국지하수환경학회, 3(1), 21-26
  25. 이송현, 배상근, 2004, SCS-CN방법을 이용한 평창강 유역의 강수함양량 산정, 한국환경과학회지, 13(12), 1033-1039
  26. 이동률, 윤용남, 1996, 우리나라 지하수 함양량 추정과 분석, 대한토목학회논문집, 대한토목학회, 16(2-4), 321-334
  27. 박창근, 1996a, 우리나라 지하수 개발가능량 추정: 1. 개념정립과 기법의 개발. 한국지하수환경학회지, 한국지하수환경학회, 3(1), 15-20