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논문 기본 정보

자료유형
학술저널
저자정보
김신걸 (서울시립대학교 환경공학부) 변신숙 (서울시립대학교 환경공학부) 김영상 (서울시립대학교 환경공학부) 구자용 (서울시립대학교 환경공학부)
저널정보
대한상하수도학회 상하수도학회지 상하수도학회지 제20권 제2호
발행연도
2006.1
수록면
187 - 196 (10page)

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Forecasting the long-term water demand is important in the plan of water supply system because the location and capacity of water facilities are decided according to it. To forecast the long-term water demand, the existing method based on lpcd and population has been usually used. But, these days the trend among the variation of water demand has been disappeared, so expressing other variation of it is needed to forecast correct water demand. To accomplish it, we introduced the System Dynamics method to consider total connections of water demand factor. Firstly, the factors connected with water demand were divided into three sectors(water demand, industry, and population sectors), and the connections of factors were set with multiple regression model. And it was compared to existing method. The results are as followings. The correlation efficients are 0.330 in existing model and 0.960 in SD model and MAE are 3.96% in existing model and 1.68% in SD model. So, it is proved that SD model is superior to the existing model. To forecast the long-term water demand, scenarios were made with variations of employment condition, economic condition and consumer price indexes and forecasted water demands in 2012. After all scenarios were performed, the results showed that it was not needed to increase the water supply ability in Seoul.

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