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2024 Vol.66, Issue 5 Preview Page
Evaluation of Water Supply Reliability in Agricultural Reservoirs Using Water Balance Analysis

물수지 기반 농업용 저수지 내한능력 및 이수안전도 평가

Mi-Hye Yanga
,
Won-Ho Namb†
,
Ji-Hyeon Shinc
,
Dong-Hyun Yoond
,
Hee-Chung Yange
양 미혜a
,
남 원호b†
,
신 지현c
,
윤 동현d
,
양 희충e
aPh.D. Student, Department of Convergence of Information and Communication Engineering, Hankyong National University, Anseong, Republic of Korea
bAssociate Professor, School of Social Safety and Systems Engineering, Institute of Agricultural Environmental Science, National Agricultural Water Research Center, Hankyong National University, Anseong, Republic of Korea
cPh.D. Student, Department of Convergence of Information and Communication Engineering, Hankyong National University, Anseong, Republic of Korea
dPh.D. Candidate, Department of Convergence of Information and Communication Engineering, Hankyong National University, Anseong, Republic of Korea
eDirector, Water Resources Management Office, Water Resources Planning Department, Korea Rural Community Corporation (KRC), Naju, Republic of Korea
a대한민국 안성 한경대학교 정보통신공학융합학과 박사과정
b대한민국 안성 한경대학교 농업수연구센터 농업환경과학연구소 사회안전시스템공학부 부교수
c대한민국 안성 한경대학교 정보통신공학융합학과 박사과정
d대한민국 안성 한경대학교 정보통신공학융합학과 박사후보
e한국농촌공사 수자원기획처 수자원관리실 주임, 대한민국 나주
† Corresponding author Tel.: +82-31-670-5137, Fax: +82-31-670-5139 E-mail: wonho.nam@hknu.ac.kr
2024. pp. 29-40
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Abstract

Most agricultural reservoirs were built between the 1940s and 1970s. Therefore, it is necessary to evaluate the current water supply safety, considering changes in water capacity, the water management, and environment in relation to the passage of time.. The design frequency of drought, the number of years areservoir needs to be able to withstand a drought phenomenon, foragricultural water resources in Korea is the 10-year drought. As the water supply system and water supply patterns change, it is necessary to establish a concept of water supply reliability, which refers to the stability of water supply. This study evaluated the water supply reliability of agricultural reservoirs based on the designed frequency. The previously designed frequency and water balance analysis were used to calculate and analyze reservoir storage capacity, water supply turnover, water supply amount, water supply potential, water utilization safety, and water supply reliability. As a result, Yongmyeon Reservoir was found to be stable in terms of water supply reliability, whereas Seongho and Yongpung Reservoirs were found to be unstable using all methods. In particular, when converting the water utilization safety and the water supply reliability to the frequency of drought, Seongho and Yongpung Reservoir were in the lowest class, with a frequency of drought less than four years. Thus, we recommend that the consideration of water supply reliability be included in the preparation of adaptive measures and water supply strategies as changes in environmental conditions continue to develop.

Keywords
Agricultural reservoir
watershed
water supply reliability
water balance analysis
frequency of drought
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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 : 66
  • No :5
  • Pages :29-40
  • Received Date : 2024-06-13
  • Revised Date : 2024-07-11
  • Accepted Date : 2024-07-22
  • DOI :https://doi.org/10.5389/KSAE.2024.66.5.029
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