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Two-Dimensional Flood-Inundation Model of the Flint River at Albany, Georgia.
| 题名： | Two-Dimensional Flood-Inundation Model of the Flint River at Albany, Georgia. |
| 作者： | musser, j. w. dyar, t. r. |
| 关键词： | two dimensional, water flow, flood forecasting, flooding, surface water, finite element method, flood plains, maps |
| 摘要： | Potential flow characteristics of future flooding along a 4.8-mile reach of the Flint River in Albany, Georgia, were simulated using recent digital-elevation-model data and the U.S. Geological Survey finite-element surface-water modeling system for two-dimensional flow in the horizontal plane (FESWMS-2DH). Simulated inundated areas, in 1-foot increments, were created for water-surface altitudes at the Flint River at Albany streamgage (02352500) from 192.5-feet altitude with a flow of 123,000 cubic feet per second to 179.5-feet altitude with a flow of 52,500 feet. The model was calibrated to match actual floods during July 1994 and March 2005 and Federal Emergency Management Administration floodplain maps. Continuity checks of selected stream profiles indicate the area near the Oakridge Drive bridge had lower velocities than other areas of the Flint River, which contributed to a rise in the flood-surface profile. The modeled inundated areas were mapped onto monochrome orthophoto imagery for use in planning for future floods. As part of a cooperative effort, the U.S. Geological Survey, the City of Albany, and Dougherty County, Georgia, conducted this study. / NOTE: Scientific investigations rept. / Availability Note: Order this product from NTIS by: phone at 1-800-553-NTIS (U.S. customers); (703)605-6000 (other countries); fax at (703)605-6900; and email at orders@ntis.gov. NTIS is located at 5285 Port Royal Road, Springfield, VA, 22161, USA. |
| 总页数： | u0813；52p |
| 报告类型： | 科技报告 |
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