• Title/Summary/Keyword: Water Resources Management

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Application of K-WEAP (Korea-Integrated Water Resources Evaluation and Planning Model) (통합수자원평가계획모형 K-WEAP의 적용성 Application of K-WEAP)

  • Choi, Si-Jung;Lee, Dong-Ryul;Moon, Jang-Won;Kang, Seong-Kyu
    • Journal of Korea Water Resources Association
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    • v.43 no.7
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    • pp.625-633
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    • 2010

  • An integrated water resources management is highly required to use efficient water and preserve water quality due to the limits of water resources development and water pollution. K-WEAP was developed, which supports the water resources planning and evaluation within a fully integrated interactive system. In this study, we present three applications of K-WEAP. First, we examined the usefulness of K-WEAP as a water resources planning tool through its application to the National Water Resources Plan. Second, the conjunctive use of surface water and groundwater in the Geum river basin with K-WEAP was evaluated, and its results show how to support to set up a sustainable groundwater management plan. Finally, we confirmed the function of the integrated water quantity and quality management in K-WEAP, which conducted by comparing the simulated results of water quality in both QUAL2E and K-WEAP.

  • https://doi.org/10.3741/JKWRA.2010.43.7.625 인용 PDF KSCI

Watershed Management in Changjiang River

  • Fuxuan, Chang;Jin, Chen;Wei, Huang;Zhouying, Zhang
    • Proceedings of the Korea Water Resources Association Conference
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    • 2004.05b
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    • pp.102-110
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    • 2004

  • In this paper, we introduce the watershed management (WSM) in Changjiang river. The Changjiang river and Changjiang Water Resources Commission (CWRC) are introduced. Then the acheivements and problems of Changjiang river watershed management are discussed. Lastly, the challenge and task are prospected.

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Korea Water Resources Policy - from the viewpoint of Korean NGO's (NGO가 바라본 수자원 정책)

  • 김제남
    • Proceedings of the Korean Society of Environment and Ecology Conference
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    • 2003.10a
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    • pp.23-29
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    • 2003

  • It has been declared in 1992 at Rio about the management of united water control and method of the management of the water resources at the water basin. And it was also mentioned about the protection of fresh water's quality and it's supply under chapter the 18th of the agenda 21. It has been 10years passed after Rio declaration, and water crisis Is getting more serious than before. Fairly, right for using water resources was given to every life as the public resources. But at the last world water forum, water was commercialized, and regulated as the basic requirement not basic right. Therefore, we could use the water according to the logic of supply and demand at the market, and with money. Furthermore, construction of the big dam which was build to solve the problem of the lack of water became one of problems for water control. Korea is keeping consistent policy such as providing water by the building of dam. Control of the water demand is the most basic and effective policy for the preservation of water resources. If we change the policy such as the construction of the dam, we should put the management of the water demand in the center with the reliable philosophy. United management of the river basin has to be made with the security of water, improvement of water quality, and protection of the ecological side each other. Management of water basin also has to be completed to solve the trouble caused by using water conflict people who live up and down stream. To maintain the good quality of water, management of water basin is necessary. Also, bottom line of the united management of water basin is voluntary involvement of every citizens and local community. We suggest to preserve the origin of river and the upper at the ecological side. It is worth it to preserve.

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The Evaluation of Watershed Management Model using Behavioral Characteristics of Flow-duration Curve (유황곡선의 거동특성을 이용한 유역관리모형의 평가)

  • Kim, Joo Cheol;Lee, Sang Jin;Shin, Hyun Ho;Hwang, Man Ha
    • Journal of Korean Society on Water Environment
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    • v.25 no.4
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    • pp.573-579
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    • 2009

  • The performance of Rainfall-Runoff Forecasting System (RRFS), the watershed management model for the Geum river basin, is evaluated based on the agreement between the simulated and observed hydrographs and the behavioral characteristics of the flow-duration curves. As a result, the simulated hydrographs are well agreed with the observed ones except high flow discharges. It is inferred that most of the errors in the simulated hydrographs are due to the misestimation of agricultural water use in $2^{nd}$ quarter and the discrepancy of the peak discharges in $3^{rd}$ quarter. It is however judged that RRFS would give the reliable runoff hydrographs from the point of view of continuous model application. And simulated flow-duration curves and flow-duration coefficients are also similar to the observed ones except flood flow region. From the above result it is confirmed that the construction of Yongdam dam improves the state of flow-duration curve at the Gongjoo station.

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