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2025 Vol.67, Issue 6 Preview Page
Estimation of Rainfall-Runoff for Securing Alternative Water Resources in Irrigation-Vulnerable Mid-Mountain Agricultural Areas in Korea

국내 중산간 이수취약 농업지역의 대체용수확보를 위한 강우-유출량 추정 연구

Jieun Choia
,
Siho Kimb
,
Jeongeun Leec
,
Seokcheol Yud
,
Min-Won Jange
,
Syewoon Hwangf†
최 지은a
,
김 시호b
,
이 정은c
,
유 석철d
,
장 민원e
,
황 세운f†
aGraduate Student, Department of Agricultural Engineering, Gyeongsang National University, Jinju, Republic of Korea
bPh.D. Student, Department of Agricultural Engineering, Gyeongsang National University, Jinju, Republic of Korea
cGraduate Student, Department of Agricultural Engineering, Gyeongsang National University, Jinju, Republic of Korea
dDepartment of Agricultural Engineering, National Institute of Agricultural Science, Rural Development Administration
eProfessor, Department of Agricultural Engineering (Institute of Agriculture and Life Science), Gyeongsang National University, Jinju, Republic of Korea
fProfessor, Department of Agricultural Engineering (Institute of Agriculture and Life Science), Gyeongsang National University, Jinju, Republic of Korea
†Corresponding author Tel.: +82-55-772-1934, Fax: +82-55-772-1939 E-mail: swhwang@gnu.ac.kr
2025. pp. 97-110
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Abstract

Advanced research is being conducted to develop rainfall-runoff based alternative agricultural water systems for mid-mountain upland farming areas, where stable water supply remains a persistent challenge. This study aims to evaluate the practical applicability of the system by identifying irrigation-vulnerable upland farming areas across the country and estimating daily rainfall-runoff in those areas to assess the feasibility of system implementation. Irrigation-vulnerable upland farming areas cover a total of 3,534.4 ha, comprising 939 agricultural sites. Among these, Gangwon-do was found to have the largest number of sites (237). Even when applying an elevation criterion based on 100 m intervals, the rate of area reduction remained relatively low. Additionally, the average runoff in the target areas was estimated at 1.99 mm/day per unit watershed area and 15.71 mm/day per unit irrigated field area. This study provides baseline data for prioritizing the implementation of alternative agricultural water systems. Future research should assess the applicability of these systems in changing agricultural environments by estimating future water availability under climate scenarios.

Keywords
Alternative irrigation water
irrigation-vulnerable agricultural areas
rainfall-runoff
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Information
  • Publisher :The Korean Society of Agricultural Engineers
  • Publisher(Ko) :한국농공학회
  • Journal Title :Journal of Korean Society of Agricultural Engineers
  • Journal Title(Ko) :한국농공학회논문집
  • Volume : 67
  • No :6
  • Pages :97-110
  • Received Date : 2025-08-05
  • Revised Date : 2025-09-14
  • Accepted Date : 2025-10-02
  • DOI :https://doi.org/10.5389/KSAE.2025.67.6.097
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