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http://dx.doi.org/10.3741/JKWRA.2022.55.11.941

Evaluation and comparison of water balance and budget forecasts considering the domestic and industrial water usage pattern  

Oh, Ji Hwan (Water Resources Management Research & Planning Department, K-water)
Lim, Dong Jin (Water Resources Management Research & Planning Department, K-water)
Kim, In Kyu (Water Resources Policy Divison, Ministry of Environment)
Shin, Jung Bum (Water Resources Management Research & Planning Department, K-water)
Ryu, Ji Seong (Water Resources Management Research & Planning Department, K-water)
Publication Information
Journal of Korea Water Resources Association / v.55, no.11, 2022 , pp. 941-953 More about this Journal
Abstract
In this study, monthly water use data were collected for 5 years from the 65 local governments included in the Han-river basin and a typical water usage ratios and patterns were calculated. The difference in water shortage was compared by considering the water usage patterns using the water balance and budget analysis model (MODSIM) and data base. As a result, it was confirmed that the change occurred in the range of -3.120% to +4.322% compared to the monthly constant ratio by period. In addition, when applying the patterns in the water balance model, 17 of the 28 middle watershed showed changes in the quantity of water shortage and the domestic and industrial water shortage would decrease about 8.0% during the maximum drought period. If it is applied in conjunction with predictive research on water usage patterns reflecting climate change, social and regional characteristics in the future, it will be possible to establish a more realistic water supply forecasts and a reliable national water resources plan.
Keywords
Water usage patterns; Water supply and demand; Water balance; Water budget; MODSIM;
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