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Integrated Hydraulic Modelling, Water Quality Modelling and Habitat Assessment for Sustainable Water Management: A Case Study of the Anyang-Cheon Stream, Korea

Author

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  • Byungwoong Choi

    (Research Team on Ecological and Natural Map, National Institute of Ecology, Seocheon 33657, Korea)

  • Seung Se Choi

    (Team of National Ecosystem Survey, National Institute of Ecology, Seocheon 33657, Korea)

Abstract

Recent ecological stream restoration projects have focused on expanding the water-friendly space of streams, promoting the health of aquatic ecosystems, and restoring various habitats, which raise the need for relevant research. Applying integrated environmental analysis, this study quantifies the change in hydraulic characteristics before and after the restoration projects through physical habitat simulation and links the results of physical impacts to estimate benefits of increase in water quality and aquatic ecosystem health due to the implementation of the project. For this, the study area is a 3.3 km long reach of the Anyang-cheon Stream, Korea. Field monitoring revealed that five fish species are dominant and sub-dominant, and account for 76% of the total fish community. To assess the change of before and after ecological stream restoration project, the River2D and Coastal Modelling System (CMS)-Flow 2D models were used for hydraulic and water quality simulations, respectively. For the habitat simulation, the HSI (Habitat Suitability Index) model was used. In addition, the Canadian Council of Ministers of the Environment Water Quality Index (CCME WQI) was used to calculate changes in water quality index and to examine changes in habitat areas with an integrated quantitative index, the methodology of Zingraff-Hamed et al. was adopted. It was found that the ecological stream restoration project significantly increased for the eco-friendly area. In addition, the changes in water quality and habitat suitability grades before the ecological river restoration project were improved to two stages and one stage, respectively. This study applied the integrated analytical framework as a policy/project assessment tool and the results of this study will be useful for the integrated water management policy.

Suggested Citation

  • Byungwoong Choi & Seung Se Choi, 2021. "Integrated Hydraulic Modelling, Water Quality Modelling and Habitat Assessment for Sustainable Water Management: A Case Study of the Anyang-Cheon Stream, Korea," Sustainability, MDPI, vol. 13(8), pages 1-16, April.
    • Handle: RePEc:gam:jsusta:v:13:y:2021:i:8:p:4330-:d:535364
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    References listed on IDEAS

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    1. Junfang Liu & Baolin Xue & Yuhui Yan, 2020. "The Assessment of Climate Change and Land-Use Influences on the Runoff of a Typical Coastal Basin in Northern China," Sustainability, MDPI, vol. 12(23), pages 1-13, December.
    2. Syafri Syafri & Batara Surya & Ridwan Ridwan & Syamsul Bahri & Emil Salim Rasyidi & Sudarman Sudarman, 2020. "Water Quality Pollution Control and Watershed Management Based on Community Participation in Maros City, South Sulawesi, Indonesia," Sustainability, MDPI, vol. 12(24), pages 1-39, December.
    3. Angela Gorgoglione & Alberto Castro & Vito Iacobellis & Andrea Gioia, 2021. "A Comparison of Linear and Non-Linear Machine Learning Techniques (PCA and SOM) for Characterizing Urban Nutrient Runoff," Sustainability, MDPI, vol. 13(4), pages 1-19, February.
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    Cited by:

    1. Dan Wang & Shuanghu Zhang & Guoli Wang & Yin Liu & Hao Wang & Jingjing Gu, 2022. "Reservoir Regulation for Ecological Protection and Remediation: A Case Study of the Irtysh River Basin, China," IJERPH, MDPI, vol. 19(18), pages 1-24, September.
    2. Byungwoong Choi & Byungik Kim & Jonghwan Park & Tae-Woo Kang & Dong-Seok Shin & Eun Hye Na & Jiyeon Choi, 2022. "An Integrated Modelling Study on the Effects of Weir Operation Scenarios on Aquatic Habitat Changes in the Yeongsan River," Sustainability, MDPI, vol. 14(10), pages 1-19, May.

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