Field experiments have been done on simulated flows over different rough pre-rill and rill bed surfaces. The purpose of the experiments was to evaluate the hydraulic roughness properties of these bed surfaces. Conventional equations describing the relation of the resistance coefficient to the Reynol
โฆ LIBER โฆ
The influence of roughness structure on flow resistance on steep slopes
โ Scribed by Hughes, Roger L.; Robertson, W.J.
- Book ID
- 119953222
- Publisher
- International Association of Hydraulic Engineering and Research
- Year
- 2004
- Tongue
- French
- Weight
- 119 KB
- Volume
- 42
- Category
- Article
- ISSN
- 0022-1686
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## Abstract The Manning equation is one of the most widely used formulae for calculating the velocity of shallow overland flow in hydrological and erosion models. Precise estimation of the Manning's friction coefficient (__n__) is critical to determining overland flow and soil erosion processes. Fe