What are the the downstream changes in river?
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Downstream changes in rivers encompass various aspects such as channel morphology, sediment deposition, and flood dynamics. Studies have shown that downstream variations in channel width, capacity, and morphology are influenced by factors like elevation, slope, and sediment supply . Furthermore, the impact of anthropogenic activities, such as dam construction, can lead to significant alterations in channel width and sinuosity downstream of the dam site . Additionally, transitions in river patterns from single channels to anabranching systems can result in downstream changes in sediment size due to alterations in flow velocity and shear stress . These downstream alterations in rivers are crucial to understanding the geomorphological evolution, sediment transport, and flood dynamics in river environments, especially in regions prone to natural hazards and human interventions.
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3 Citations | Downstream changes in river include a decrease in grain size, channel depth, and shear stress, transitioning from single channel to anabranching due to flow redistribution and sediment deposition. |
| Downstream changes in river width and sinuosity post-dam construction are influenced by factors like valley confinement and bank composition, varying based on geological characteristics of the area. | |
| Downstream river planform changes in the Alaknanda River show widening and bank erosion, likely influenced by erosion processes and sediment relocation from upstream areas, especially after knickpoints. | |
2 Citations | Downstream changes in the Dwarkeswar River include increasing channel width and capacity in the dissected plateau, relatively constant trends in the plateau-fringe, and decreasing width and discharge in the alluvial plain. |
45 Citations | Downstream changes in river avulsion style are related to channel morphology, transitioning from reoccupying abandoned channels in braided rivers to flooding during channel construction in meandering rivers. |
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