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http://dx.doi.org/10.5389/KSAE.2021.63.1.027

Assessing Irrigation Water Supply from Agricultural Reservoir Using Automatic Water Level Data of Irrigation Canal  

Bang, Jehong (Department of Rural Systems Engineering, College of Agriculture and Life Sciences, Seoul National University)
Choi, Jin-Yong (Department of Rural Systems Engineering, College of Agriculture and Life Sciences, Institute of GBST, Seoul National University)
Yoon, Pureun (Department of Rural Systems Engineering, College of Agriculture and Life Sciences, Seoul National University)
Oh, Chang-Jo (Safety Inspection Headquarter, KRC)
Maeng, Seung-Jin (Department of Agricultural & Rural Engineering, College of Agriculture and Life Sciences, Chungbuk National University)
Bae, Seung-Jong (Institutes of Green Bio Science and Technology, Seoul National University)
Jang, Min-Won (Department of Agricultural Engineering (Institute of Agriculture and Life Science), Gyeongsang National University)
Jang, Taeil (Department of Rural Construction Engineering, Institute of Agricultural Science & Technology, Jeonbuk National University)
Park, Myeong Soo (Water Resources Management Office, KRC)
Publication Information
Journal of The Korean Society of Agricultural Engineers / v.63, no.1, 2021 , pp. 27-35 More about this Journal
Abstract
KRC (Korea Rural Community Corporation) is in charge of about 3,400 agricultural reservoirs out of 17,240 agricultural reservoirs, and automatic water level gauges in reservoirs and canals were installed to collect reservoir and canal water level data from 2010. In this study, 10-minute water level data of 173 reservoir irrigation canals from 2016 to 2018 are collected, and discharge during irrigation season was calculated using rating curves. For estimation of water supply, irrigation water requirement was calculated with HOMWRS (Hydrological Operation Model for Water Resources System), and the summation of reservoir water storage decrease was calculated with daily reservoir storage data from RAWRIS (Rural Agricultural Water Resource Information System). From the results, the total yearly amount of irrigation water supply showed less than 10% difference than the irrigation water requirement. The regional analysis revealed that reservoirs in Jeollanam-do and Chungcheongnam-do supply greater irrigation water than average. On the contrary, reservoirs in Gyeongsangnam-do and Chungcheongbuk-do supply less than others. This study was conducted with a limited number of reservoirs compared to total agricultural reservoirs. Nevertheless, it can indicate irrigation water supply from agricultural reservoirs to provide information about agricultural water use for irrigation.
Keywords
Irrigation water supply; canal water level; agricultural reservoir; irrigation cana;
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Times Cited By KSCI : 2  (Citation Analysis)
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