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Evaluation on Effects of Climate and Land-Use Changes on Streamflow and Water Quality in the La Buong River Basin, Southern Vietnam

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  • Dao Nguyen Khoi

    (Institute for Computational Science and Technology, Ho Chi Minh City 700000, Vietnam
    Faculty of Environment, University of Science, Vietnam National University Ho Chi Minh City, Ho Chi Minh City 700000, Vietnam)

  • Van Thinh Nguyen

    (Department of Civil and Environmental Engineering, Seoul National University, Seoul 08826, Korea)

  • Truong Thao Sam

    (Institute for Computational Science and Technology, Ho Chi Minh City 700000, Vietnam)

  • Pham Thi Thao Nhi

    (Institute for Computational Science and Technology, Ho Chi Minh City 700000, Vietnam)

Abstract

The effects of climate and land-use changes have put intense pressures on water resources with regard to water quantity and quality in the La Buong River Basin, located in Southern Vietnam. Therefore, an estimate of such effects and their consequences on water resources in this area is needed. The aim of this study is to evaluate the segregated and aggregated effects of climate change and land-use change on streamflow and water quality components (sediment and nutrient loads) using the well-known Soils and Water Assessment Tool (SWAT). The SWAT model was carefully calibrated and validated against the observation data before it can be used as a simulation tool to study the impacts of climate and land-use changes on hydrological processes. As a result of this study, it shows a reduction in the wet-season and annual streamflow, and sediment and nutrient loads will be occurred in the study area due to climate change effects, while the streamflow, and sediment and nutrient loads will be increased under the effects of the land-use change. Moreover, the streamflow and water quality components are more sensitive to land-use change than climate change. The results obtained from this study can provide a basic knowledge of the effects of climate and land-use changes on the streamflow and water quality to the local and national authorities for the future development of integrated water resources management in the La Buong River Basin.

Suggested Citation

  • Dao Nguyen Khoi & Van Thinh Nguyen & Truong Thao Sam & Pham Thi Thao Nhi, 2019. "Evaluation on Effects of Climate and Land-Use Changes on Streamflow and Water Quality in the La Buong River Basin, Southern Vietnam," Sustainability, MDPI, vol. 11(24), pages 1-15, December.
    • Handle: RePEc:gam:jsusta:v:11:y:2019:i:24:p:7221-:d:298608
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    References listed on IDEAS

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    1. Nguyen Thi Huyen & Le Hoang Tu & Nguyen Duy Liem & Vo Ngoc Quyn Tram & Duong Ngoc Minh & Nguyen Kim Loi, 2017. "Assessing Impacts of Land Use and Climate Change on Soil and Water Resources in the Srepok Watershed, Central Highland of Vietnam," Agriculture and Development Discussion Paper Series 2017-2, Southeast Asian Regional Center for Graduate Study and Research in Agriculture (SEARCA).
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    Cited by:

    1. Catherine C. Sang & Daniel O. Olago & Tobias O. Nyumba & Robert Marchant & Jessica P. R. Thorn, 2022. "Assessing the Underlying Drivers of Change over Two Decades of Land Use and Land Cover Dynamics along the Standard Gauge Railway Corridor, Kenya," Sustainability, MDPI, vol. 14(10), pages 1-21, May.
    2. Mustafa Tufekcioglu & Richard C. Schultz & Thomas M. Isenhart & John L. Kovar & James R. Russell, 2020. "Riparian Land-Use, Stream Morphology and Streambank Erosion within Grazed Pastures in Southern Iowa, USA: A Catchment-Wide Perspective," Sustainability, MDPI, vol. 12(16), pages 1-13, August.
    3. Junchao Jiang & Leting Lyu & Yuechi Han & Caizhi Sun, 2021. "Effect of Climate Variability on Green and Blue Water Resources in a Temperate Monsoon Watershed, Northeastern China," Sustainability, MDPI, vol. 13(4), pages 1-13, February.
    4. Wenhui Bao & Xingyu Zeng & Chunyu Luo & Hongqiang Zhang & Yi Qu & Nan Xu, 2022. "The Relationship between Hydrological Connectivity Changes Inside and Outside Biodiversity Hotspots and Its Implication for Sustainable Environmental Management," Sustainability, MDPI, vol. 14(11), pages 1-14, May.
    5. Yuk San Liew & Safari Mat Desa & Md. Nasir Md. Noh & Mou Leong Tan & Nor Azazi Zakaria & Chun Kiat Chang, 2021. "Assessing the Effectiveness of Mitigation Strategies for Flood Risk Reduction in the Segamat River Basin, Malaysia," Sustainability, MDPI, vol. 13(6), pages 1-23, March.

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