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| Unit Hydrograph× | Muskingum法× | |
|---|---|---|
| 分野 | 土木工学 | 土木工学 |
| 系統 | Process / pipeline | Process / pipeline |
| 提唱年≠ | 1932 | 1938 |
| 提唱者≠ | L. K. Sherman | George McCarthy |
| 種類≠ | Linear transformation from rainfall to streamflow | Hydrologic method for flood attenuation in rivers |
| 原典≠ | Sherman, L. K. (1932). Streamflow from rainfall by the unit graph method. Engineering News-Record, 108(14), 501-505. link ↗ | McCarthy, G. T. (1938). The Unit Hydrograph and Flood Routing. US Army Corps of Engineers Document 608. link ↗ |
| 別名 | UH, Rainfall-runoff, Hydrograph synthesis | Flood routing, Stream flow attenuation, Hydrologic routing |
| 関連 | 3 | 3 |
| 概要≠ | The unit hydrograph (UH) is a linear transformation that converts rainfall excess into streamflow for a watershed. Introduced by Sherman in 1932, the UH assumes that rainfall-runoff response is linear and time-invariant, enabling synthesis of flood hydrographs from design storms for dam spillway design and flood risk assessment. | The Muskingum method is a hydrologic flood routing technique that predicts how a flood wave attenuates (reduces in peak) and spreads as it travels down a river reach. Developed by McCarthy in 1938 for the US Army Corps of Engineers, the method is simple enough for hand calculations while capturing the essential physics of flood propagation. |
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