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Effects of Climate Change on the Movement of Turbidity Flow in a Stratified Reservoir

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  • Hye Lee
  • Eun Kim
  • Seok Park
  • Jung Choi

Abstract

In this study, we investigated the effects of climate change on the movement of the turbidity flow in a stratified reservoir. Reservoir turbidity is primarily caused by the concentration of suspended solids in a watershed. Under the effects of climate change, which increases the frequency and intensity of extreme weather events in the Asian monsoon area, turbidity can be considered to be an essential water quality variable in a reservoir that supplies drinking water. We adopted a two-dimensional hydrodynamic water quality model coupled to a watershed model and used a future climate scenario applied to the Yongdam Reservoir in South Korea. To account for the uncertainty of climate change scenarios and the extent of the variation of both temperature and precipitation, three cases each from the 2050’s and 2090’s were selected for simulation. The simulations predicted that the significance of the summer stratification would produce a vertical circulation lower than 8 m in the warming reservoir of the 2090 scenario in comparison to 15 m in the 2050 scenario. The limited vertical circulation caused the density plume to spread within a depth of 8 m of the reservoir, isolating the upper water with high suspended solid concentrations from the hypolimnetic water. The results of this study provide the optimum horizontal and vertical location of the intake aqueducts to obtain drinking water with low turbidity during extremely heavy rainfall. Copyright Springer Science+Business Media Dordrecht 2015

Suggested Citation

  • Hye Lee & Eun Kim & Seok Park & Jung Choi, 2015. "Effects of Climate Change on the Movement of Turbidity Flow in a Stratified Reservoir," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 29(11), pages 4095-4110, September.
    • Handle: RePEc:spr:waterr:v:29:y:2015:i:11:p:4095-4110
    DOI: 10.1007/s11269-015-1047-2
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    References listed on IDEAS

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    1. Hye Lee & Eun Kim & Seok Park & Jung Choi, 2012. "Effects of climate change on the thermal structure of lakes in the Asian Monsoon Area," Climatic Change, Springer, vol. 112(3), pages 859-880, June.
    2. Animesh Debnath & Mrinmoy Majumder & Manish Pal, 2015. "A Cognitive Approach in Selection of Source for Water Treatment Plant based on Climatic Impact," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 29(6), pages 1907-1919, April.
    3. F. Gökbulak & Y. Serengil & S. Özhan & N. Özyuvacı & N. Balcı, 2008. "Effect of Timber Harvest on Physical Water Quality Characteristics," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 22(5), pages 635-649, May.
    4. C. Iglesias & J. Martínez Torres & P. García Nieto & J. Alonso Fernández & C. Díaz Muñiz & J. Piñeiro & J. Taboada, 2014. "Turbidity Prediction in a River Basin by Using Artificial Neural Networks: A Case Study in Northern Spain," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 28(2), pages 319-331, January.
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    1. Hyungseok Park & Sewoong Chung & Eunju Cho & Kyoungjae Lim, 2018. "Impact of climate change on the persistent turbidity issue of a large dam reservoir in the temperate monsoon region," Climatic Change, Springer, vol. 151(3), pages 365-378, December.
    2. Zhuoshi He & Shouliang Huo & Chunzi Ma & Hanxiao Zhang & Da An & Beidou Xi & Qiujing Xu & Xinghui Xia & Fengchang Wu, 2019. "The Contributions of Climate Changes and Human Activities to Long-Term Variations in Lake Sediments Based on Results from Generalized Additive Models," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 33(3), pages 1069-1085, February.
    3. Slobodan P. Simonovic, 2017. "Bringing Future Climatic Change into Water Resources Management Practice Today," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 31(10), pages 2933-2950, August.

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