The variation of channel flow through opening the gate at Shimgok-Cheon by using SMS program

Chanyeong Kim; Gwansoo Jeong; Youngkyu Kim

doi:10.3741/JKWRA.2024.57.6.385

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2024 Vol.57, Issue 6 Preview Page Next Page

Research Article

The variation of channel flow through opening the gate at Shimgok-Cheon by using SMS program SMS를 이용한 인천 심곡천 하구 수문개방에 따른 하천흐름변화 분석

30 June 2024. pp. 385-392

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Abstract

By installing the gate at the estuary to prevent the inflow of seawater into the river, it was prevented the inflow of seawater into the river, but as a result, the velocity of the river was rapidly decreased, turning it into a river with almost stoped flow. Since a river must have flow to maintain its function, in this study, it examined improving the flow of the river through the operation of a gate in Simgok-cheon where is a river that has been closed by a hydrological system at the estuary and almost stoped flow. It was considered that if the gate are operated according to the tide level, it could be changed into a river through which water flows by raising it to 0.49 m/s, which is about 10 times faster than the current slow flow rate of 0.05 m/s while maintaining the highest or lowest target elevation.

Keywords

Closed estuary

Variation of channel flow

Opening estuary gate

SMS

하천으로 해수의 유입을 막기 위해 하구에 수문을 설치함으로써 해수유입은 막을 수 있었으나 이로 인해 하천의 유속은 급격히 감소하여 흐름이 없는 하천으로 변화되었다. 하천은 흐름이 있어야 하천의 기능을 유지할 수 있기에 본 연구에서는 하구에 수문 설치로 인하여 흐름이 발생하지 않은 하천인 심곡천을 대상으로 수문 운영을 통해 하천의 흐름을 개선하도록 검토하였다. 조위에 따라 수문을 운영하게 되면 최고 및 최저 목표수위를 유지하면서 현재 0.05 m/s의 느린 유속에서 약 10배 정도 빠른 0.49 m/s까지 상승시켜 물이 흐르는 하천으로 변화시킬 수 있는 것으로 검토되었다.

키워드

하천하구

닫힌하구

수문개방

흐름변화

SMS

References

Environmental Modeling Research Laboratory (EMRL) (2023). SMS usual manual (v13.1). Hydrosoft.

Incheon Metropolitan City (Incheon) (2010). River master plan of Shimgok-cheon.

Incheon Metropolitan City (Incheon) (2019). River master plan of 9 river include Gumdan-Cheon.

Kim, T.K., Lee., M.H., and Lee, J.S. (2020). New fleshy appearance at Sihwa Lake. Jisumgsa.

Korea Land & Housing Corporation (LH) (2010). Development of free economic zone in Cheongna District, Incheon.

Korea Land & Housing Corporation (LH) (2015). Cheongna international city waterfront ecological environment and water resin construction project.

Ministry of Environment (ME) (2021). A study on the improvement of the operation and ecological restoration of Nakdong River's estuary dike.

Oh, H.J., Jang, M.H., Kim, J.H., Kim., Y.J., Lim, S.H., Won, D.H., Moon, J.S., Kwon, S.H., and Chang. K.H. (2022). "Comparative analysis of diversity characteristics (γ-,α-, and β-diversity) of biological communities in the Korean peninsula estuaries." Korea Journal of Ecology and Environment, Vol. 55, No.1, pp. 84-98.

10.11614/KSL.2022.55.1.084

Information

Publisher :KOREA WATER RESOURECES ASSOCIATION
Publisher(Ko) :한국수자원학회
Journal Title :Journal of Korea Water Resources Association
Journal Title(Ko) :한국수자원학회 논문집
Volume : 57
No :6
Pages :385-392
Received Date : 2024-04-05
Revised Date : 2024-05-22
Accepted Date : 2024-05-23
DOI :https://doi.org/10.3741/JKWRA.2024.57.6.385

Journal of Korea Water Resources Association ISSN:2799-8746(Print) 2799-8754(Online) 한국수자원학회 논문집

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