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The Lower Indus River (LIR) in the Southern Sindh has experienced by multiple measurable changes in its planform and longitudinal profiles over the last 100 years. This research deals with a hydrodynamic model coupled with rough set theory (RST) model findings that accounts for the prediction of lateral and vertical morphodynamic evolution observed over the 32 km reach during the flood episode of 2020. Human interferences and hydrodynamic aspects during high flood periods were assessed in the context of channel morphology. Surveyed cross-sections were used to construct the geometry using two-dimensional (2D) Hydrologic Engineering Center's River Analysis System (HEC-RAS) model, and simulation was completed under the unsteady flow values among the highest runoff and bankfull values. The island and natural bend of the river have higher values of velocities and shear stresses, and consequently higher erosion and incision rate was observed. The bank erosion was computed with high precision (R2 = 0.83) based on improved connection of erodibility coefficient and excess shear stress technique. The present study findings will be helpful to assist in the implementation of river protection works at the given locations of Indus River and will serve as a framework for similar river reaches.
Wydawca
Czasopismo
Rocznik
Tom
Strony
2041--2058
Opis fizyczny
Bibliogr. 42 poz.
Twórcy
autor
- School of Water Conservancy Science and Engineering, Zhengzhou University, Zhengzhou 450001, People’s Republic of China
- Yellow River Laboratory, Zhengzhou University, Zhengzhou 450001, People’s Republic of China
autor
- School of Water Conservancy Science and Engineering, Zhengzhou University, Zhengzhou 450001, People’s Republic of China
- Yellow River Laboratory, Zhengzhou University, Zhengzhou 450001, People’s Republic of China
autor
- School of Water Conservancy Science and Engineering, Zhengzhou University, Zhengzhou 450001, People’s Republic of China
- College of Hydraulic and Environmental Engineering, China Three Gorges University, Yichang 443002, People’s Republic of China
autor
- Center of Excellence in Water Resources Engineering, University of Engineering and Technology, Lahore, Pakistan
autor
- School of Water Conservancy Science and Engineering, Zhengzhou University, Zhengzhou 450001, People’s Republic of China
- Yellow River Laboratory, Zhengzhou University, Zhengzhou 450001, People’s Republic of China
autor
- School of Water Conservancy Science and Engineering, Zhengzhou University, Zhengzhou 450001, People’s Republic of China
- Yellow River Laboratory, Zhengzhou University, Zhengzhou 450001, People’s Republic of China
autor
- Department of Mechanical, Mechatronics and Manufacturing Engineering (KSK New Campus), University of Engineering and Technology Lahore, Lahore, Pakistan
Bibliografia
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- 7. Boota MW, Yan C, Soomro S et al (2022) Appraisal of hydro-ecology, geomorphology, and sediment behavior during low and high floods in the Lower Indus River Estuary. J Water Clim Chang 13:889-907
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Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-9bf919ab-63ee-4ba0-b76f-770f4e078a84