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http://dx.doi.org/10.3741/JKWRA.2019.52.12.975

A study on the applicability of power usage method for the analysis of river water intake  

Baek, Jongseok (Hydrological Survey Department, Korea Institute of Hydrological Survey)
Kim, Chiyoung (Hydrological Survey Department, Korea Institute of Hydrological Survey)
Cha, JunHo (Han River Flood Control Office, Ministry of Environment)
Song, Jaehyun (Department of Civil Engineering, Inha University)
Publication Information
Journal of Korea Water Resources Association / v.52, no.12, 2019 , pp. 975-984 More about this Journal
Abstract
As an essential prerequisite for systematic and integrated management of river water, it is necessary to secure the basic data such as discharge supplied to the river and released from the river. Under the current permit system for river water use, 59.1% of licensed facilities were found to have no discharge meters in 2017, especially for agricultural water, which makes it difficult to secure reliable data as a large portion of the reports are voluntarily reported by users. In this study, the indirect discharge measurement method of calculating the discharge through the power usage of the pumping station was applied to secure reliable discharge data. In particular, focusing on the fact that the discharge calculated by the power usage method differed with the actual discharge according to the level of the river, the study was conducted on improving the power usage method reflecting the river water level and improving the accuracy of discharge data. Analysis of the discharge calculated using the power usage method considering river water level using the correlation analysis method such as regression analysis, percent difference, root mean square error etc. confirmed that the results are not high compared to the conventional power usage method, but are slightly more approximated to the actual discharge. Therefore, although reliable discharge data can be obtained from the existing power usage method, it is expected that more accurate data on intaking water of river water can be obtained if the improved power usage method is used at points where the variation in the water level of the river is large.
Keywords
River water use; Water intake; Power usage method; Pumping station;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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