S&T Project 21077 Final Report: Predicting Reservoir Drawdown Flushing to Improve Reservoir Sustainability
This study employs SRH-2D to investigate the impact of reservoir geometry on drawdown flushing efficiency. The model was calibrated using data from a 2014 flushing event, reproducing observed sediment release concentrations and loads. To examine the influence of reservoir shape, simulations were conducted with various modified geometries. Two approaches were employed: 1) altering reservoir width at different depths while maintaining constant capacity and 2) modifying reservoir width at ratios (0.5, 1, 2, 4) relative to the original width, with corresponding capacity adjustments. Reservoir operation rules, including winter pool elevation, drawdown flushing elevation, refilling date, and summer irrigation flow rate, were incorporated into the simulations as the downstream boundary condition. By understanding the relationship between reservoir shape and flushing efficiency, this study provides valuable insights for optimizing reservoir management and extending their operational life.
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RISE Item Details Page URL for "S&T Project 21077 Final Report: Predicting Reservoir Drawdown Flushing to Improve Reservoir Sustainability"
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PDF File for "S&T Project 21077 Final Report: Predicting Reservoir Drawdown Flushing to Improve Reservoir Sustainability"
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| description | This study employs SRH-2D to investigate the impact of reservoir geometry on drawdown flushing efficiency. The model was calibrated using data from a 2014 flushing event, reproducing observed sediment release concentrations and loads. To examine the influence of reservoir shape, simulations were conducted with various modified geometries. Two approaches were employed: 1) altering reservoir width at different depths while maintaining constant capacity and 2) modifying reservoir width at ratios (0.5, 1, 2, 4) relative to the original width, with corresponding capacity adjustments. Reservoir operation rules, including winter pool elevation, drawdown flushing elevation, refilling date, and summer irrigation flow rate, were incorporated into the simulations as the downstream boundary condition. By understanding the relationship between reservoir shape and flushing efficiency, this study provides valuable insights for optimizing reservoir management and extending their operational life. |
| distribution |
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| identifier | https://datainventory.usbr.gov/rise/item/128816 |
| keyword |
[ "Drawdown Flushing", "Numerical Model", "Reservoir Sedimentation", "Reservoir Sustainability" ] |
| landingPage | https://data.usbr.gov/catalog/8070/item/128816 |
| modified | 2024-11-04T10:14:31Z |
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{ "name": "Bureau of Reclamation", "@type": "org:Organization" } |
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| title | S&T Project 21077 Final Report: Predicting Reservoir Drawdown Flushing to Improve Reservoir Sustainability |
