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Strategies for managing reservoir sedimentation |
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| Authors: | Zhao-yin WANG Chunhong HU Prof State Key Lab of Hydroscience Engineering Tsinghua University Beijing China Prof Secretary General of International Research Training Center on Erosion Sedimentation Beijing China Vice President of China Institute of Water Resources Hydropower Research No A- Fuxing Rd Beijing China |
| Institution: | [1]Prof., State Key Lab of Hydroscience and Engineering, Tsinghua University, Beijing 100084, China [2]Prof., Secretary General of International Research and Training Center on Erosion and Sedimentation, Beijing 100048, China and Vice President of China Institute of Water Resources and Hydropower Research, No. A-l, Fuxing Rd, Beijing 100038, China. |
| Abstract: | Sediment deposition in reservoirs has caused the loss of 66% of the reservoir capacity in China. The main sedimentation control strategies are: 1) storing the clear water and releasing the turbid water; 2) releasing turbidity currents; 3) Draw-down flushing and empty flushing; and 4) dredging. The paper summarizes these strategies with examples. Sediment transport in many Chinese rivers occurs mostly during the 2-4 month flood season, that is, 80-90% of the annual sediment load is transported with 50-60% of... |
| Keywords: | Reservoir sedimentation Storing clear and releasing turbid Flushing Turbidity current Three Gorges Reservoir |
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