한국농공학회논문집 (Journal of The Korean Society of Agricultural Engineers)

  • 제63권5호
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  • Pages.95-105
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  • 2021
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  • 1738-3692(pISSN)
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  • 2093-7709(eISSN)
한국농공학회 (The Korean Society of Agricultural Engineers)
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가뭄사상 및 농업수리시설물이 쌀 생산량에 미치는 영향에 대한 상관 분석

On the Linkage Between Irrigation Facilities and Rice Production Under Drought Events

  • Woo, Seung-Beom (School of Social Safety and Systems Engineering, Hankyong National University) ;
  • Nam, Won-Ho (School of Social Safety and Systems Engineering, Institute of Agricultural Environmental Science, National Agricultural Water Research Center, Hankyong National University) ;
  • Jeon, Min-Gi (Department of Convergence of Information and Communication Engineering, Hankyong National University) ;
  • Yoon, Dong-Hyun (Department of Convergence of Information and Communication Engineering, Hankyong National University) ;
  • Kim, Taegon (Department of Smart Farm, Jeonbuk National University) ;
  • Sung, Jae-Hoon (Korea Rural Economic Institute) ;
  • Kim, Han-Joong (School of Social Safety and Systems Engineering, Hankyong National University)
  • 투고 : 2021.06.25
  • 심사 : 2021.09.27
  • 발행 : 2021.09.30
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초록

Drought is a disaster that causes prolonged and wide scale damage. Recently, the severity and frequency of drought occurrences, and drought damage have been increased significantly due to climate change. As a result, a quantitative study of drought factors is needed to better understand and prevent future droughts. In the case of agricultural drought, several existing studies examine the economic damage caused by droughts and their causes, but these studies are not well suited to estimating crop-oriented agricultural drought damage and the factors that absolutely affect agricultural drought. This study determines which factors most affect agricultural drought. It examines meteorological factors and those related to agricultural water supplied by irrigation facilities. Rice paddy production per unit area is lower than the average from the last two years where agricultural drought occurred. We compare the relative frequency of agricultural drought impacts with irrigation facilities, effective reservoir storage, the number of water supply facilities, and the meteorological drought index such as Standardized Precipitation Index (SPI). To identify factors that affect agricultural drought, we correlate rice paddy production anomalies with irrigation water supply for the past two years. There was a high positive correlation between rice paddy production and irrigation water usage, and there was a low or moderate negative correlation between rice paddy production anomalies compared to the average of the past two years and SPI. As a result, agricultural water supply by irrigation facilities was judged to be more influential than meteorological factors in rice paddy production. This study is expected to help local governments establish policies related to agricultural drought response.

키워드

과제정보

본 연구는 행정안전부 극한재난대응기반기술개발사업의 연구비 지원 (2019-MOIS31-010)에 의해 수행되었습니다.

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