[논문]필지단위 관개용수 공급에 따른 농업가뭄진단 평가

신지현; 남원호; 김하영; 문영식; 방나경; 이정철; 이광야

doi:10.5389/ksae.2021.63.4.001

필지단위 관개용수 공급에 따른 농업가뭄진단 평가
Agricultural Drought Assessment and Diagnosis Based on Spatiotemporal Water Supply in Irrigated Area 원문보기

한국농공학회논문집 = Journal of the Korean Society of Agricultural Engineers, v.63 no.4, 2021년, pp.1 - 12

신지현 (School of Social Safety and Systems Engineering, Hankyong National University) , 남원호 (School of Social Safety and Systems Engineering, Institute of Agricultural Environmental Science, National Agricultural Water Research Center, Hankyong National University) , 김하영 (School of Social Safety and Systems Engineering, Hankyong National University) , 문영식 (Department of Bioresources and Rural Systems Engineering, National Agricultural Water Research Center, Hankyong National University) , 방나경 (Department of Convergence of Information and Communication Engineering, Hankyong National University) , 이정철 (Overseas Project Department, Korea Rural Community Corporation) , 이광야 (Integrated Water Management Supporting Department, Water Resources Planning Office, Korea Rural Community Corporation)

Abstract ▼ AI-Helper

Agricultural drought is a natural phenomenon that is not easy to observe and predict and is difficult to quantify. In South Korea, the amount of agricultural water used is large and the types of use are varied, so even if an agricultural drought occurs due to insufficient precipitation, the drought actually felt in the irrigated area is it can be temporally and spatially different. In order to interpret the general drought in the past, drought disasters were evaluated using single indicators such as drought damage area, precipitation shortage status, and drought index, and a comprehensive drought management system is needed through drought diagnosis survey. Therefore, we intend to conduct research on agricultural drought assessment and diagnosis using re-evaluation of agricultural facilities and irrigation water supply network due to changes in various conditions such as climate change, irrigation canal network, and evaluation of water supply capacity of agricultural facilities. In this study, agricultural drought diagnosis was conducted on two agricultural reservoirs located in Sangju, Gyeongsangbuk-do, with structural or non-structural evaluations to increase spatiotemporal water supply and efficiency in terms of water shortages. The results of the agricultural drought diagnosis evaluation can be used to identify irrigated areas and canal network vulnerable to drought and to prioritize drought response.

주제어

표/그림 (12)

그림 Fig. 1 Location of watershed, irrigated areas and irrigation canals in Yangji and Bomi reservoir, Gyeongsangbuk-do
표 Table 1 Specifications of Yangji and Bomi reservoirs and the irrigated areas
표 Table 2 Indicators for diagnosis of agricultural drought
그림 Fig. 2 Flow chart of agricultural drought diagnosis evaluation based on AHP analysis
표 Table 3 Classification of grade indicators for agricultural drought diagnosis
그림 Fig. 3 Results of weighting coefficient based on AHP method (reference: CODE of Table 2)
표 Table 4 Analysis result of consistency index
그림 Fig. 4 Comparison of final weighting coefficient based on AHP method (reference: CODE of Table 2)
그림 Fig. 5 Comparison of irrigation water distribution simulation result for irrigated areas ((a): 2016, (b): 2017, (c): 2018, (d): 2019)
표 Table 5 Result of calculating irrigation supply indicator in Yangji and Bomi reservoir (reference: CODE of Table 2)
표 Table 6 Result of agricultural drought diagnostic in Yangji reservoir (reference: CODE of Table 2)
표 Table 7 Result of agricultural drought diagnostic in Bomi reservoir (reference: CODE of Table 2)

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