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Taeuk Kang
Disaster Prevention Research Institute, Pukyong National University, Busan 48513, Korea

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Journal article
Published: 13 August 2020 in Sustainability
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Rainfall, tide, and wave overtopping can together cause inundation in some coastal areas. However, there have been few cases of inundation analysis considering compound flooding due to the difficulty of the interdisciplinary technique. The purpose of this study is to suggest an analysis technique of compound flooding in coastal areas that links flow simulation tools of coasts and watershed. XP-SWMM was used to analyze rainfall–runoff simulation and 2D surface inundation analysis. A coupled model of ADCIRC and SWAN (ADCSWAN) was used for analyzing expected flow, including wave spectrum, tide, and storm surge from the distant ocean, and the FLOW-3D model was used to estimate the flow and wave overtopping in the coastal area. The analysis technique was applied to Marine City located in Busan, the Republic of Korea, where rainfall and wave overtopping occurred simultaneously during typhoons, and the results were reasonable. The study results are meaningful as they can contribute to the improvement of reproducibility of real phenomena of compound flooding in coastal areas through linked application of flow simulation tools of coasts and watershed.

ACS Style

Sangho Lee; Taeuk Kang; DongKyun Sun; Jong-Jip Park. Enhancing an Analysis Method of Compound Flooding in Coastal Areas by Linking Flow Simulation Models of Coasts and Watershed. Sustainability 2020, 12, 6572 .

AMA Style

Sangho Lee, Taeuk Kang, DongKyun Sun, Jong-Jip Park. Enhancing an Analysis Method of Compound Flooding in Coastal Areas by Linking Flow Simulation Models of Coasts and Watershed. Sustainability. 2020; 12 (16):6572.

Chicago/Turabian Style

Sangho Lee; Taeuk Kang; DongKyun Sun; Jong-Jip Park. 2020. "Enhancing an Analysis Method of Compound Flooding in Coastal Areas by Linking Flow Simulation Models of Coasts and Watershed." Sustainability 12, no. 16: 6572.

Journal article
Published: 01 April 2015 in Journal of Flood Risk Management
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An operational model of a reservoir system simulation was developed for real-time flood control in the Han River Basin, Korea. The developed simulation model jointly operates the four flood control dams. The reservoir system operation model decides or alters a control point and the target river for flood control according to the dam state defined by the two levels of the dam: the maximum forecasted reservoir level and the restricted water level in the flood season. In addition, the model switches the release objectives corresponding to the flood stages, which are normal hydropower release, maximum hydropower release, and spillway release. The reservoir system operation model determines flood releases by reflecting two major concepts: the model pursues reservoir balance at the end of a joint operation and the channel capacity on a downstream control point may limit the release amount from an upstream dam. The application of the model to two historical flood events showed that the channel capacity may limit dam releases and thus may contribute to the reduction of peak discharge on the downstream control point. The model has been operationally used for flood control in the Han River Basin.

ACS Style

S. Lee; T. Kang; K.S. Lee. An operational model of a reservoir system simulation for real-time flood control in the Han River Basin. Journal of Flood Risk Management 2015, 10, 499 -510.

AMA Style

S. Lee, T. Kang, K.S. Lee. An operational model of a reservoir system simulation for real-time flood control in the Han River Basin. Journal of Flood Risk Management. 2015; 10 (4):499-510.

Chicago/Turabian Style

S. Lee; T. Kang; K.S. Lee. 2015. "An operational model of a reservoir system simulation for real-time flood control in the Han River Basin." Journal of Flood Risk Management 10, no. 4: 499-510.

Journal article
Published: 01 April 2014 in Science of The Total Environment
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As part of the Four Major Rivers Restoration Project, 16 multi-functional weirs have recently been constructed in each river system in Korea. The Project has pursued ecological approaches through constructing artificial weirs in waterways to ensure sufficient flow even in the dry seasons, improving agricultural reservoirs to supply environmental flow for the rivers, and thereby enhancing the water quality of the rivers. However, these anthropogenic activities have been accompanying a significant change in the riverine environment. In this study, the SSARR (Streamflow Synthesis and Reservoir Regulation) model was used to estimate natural flow in the 14 sub-basins of the Geum River. The natural flow determined by the SSARR model was used in estimation of environmental flow and input data of reservoir operation model. Hec-ResSim was used to assess runoff variations, water supply and energy generation based on the protocols for the associated operation of dams and multi-functional weirs. In addition to this, a method developed by the IWMI (International Water Management Institute) was also used to analyze the environmental flow, considering channels, water fronts and flow variations, and thereby assess the environmental management class of changing the riverine environment and to take countermeasures to mitigate the resulting adverse environmental impacts. It is hoped that the results of this study will provide basic data to establish policies for the effective operation and management of the existing dams and the newly constructed multi-functional weirs, and the effective monitoring and preservation of aquatic ecosystems in the Geum River basin.

ACS Style

Jung Min Ahn; Sangjin Lee; Taeuk Kang. Evaluation of dams and weirs operating for water resource management of the Geum River. Science of The Total Environment 2014, 478, 103 -115.

AMA Style

Jung Min Ahn, Sangjin Lee, Taeuk Kang. Evaluation of dams and weirs operating for water resource management of the Geum River. Science of The Total Environment. 2014; 478 ():103-115.

Chicago/Turabian Style

Jung Min Ahn; Sangjin Lee; Taeuk Kang. 2014. "Evaluation of dams and weirs operating for water resource management of the Geum River." Science of The Total Environment 478, no. : 103-115.