Read e-book online Overland Flow: Hydraulics And Erosion Mechanics PDF

By Athol D. Abrahams, Anthony J Parsons

ISBN-10: 0203167546

ISBN-13: 9780203167540

ISBN-10: 0203498666

ISBN-13: 9780203498668

ISBN-10: 0412037211

ISBN-13: 9780412037214

ISBN-10: 1857280067

ISBN-13: 9781857280067

Encompassing geomorphology, hydrology and agricultural engineering, this offers an interdisciplinary evaluate of a subject matter vital in either medical And useful phrases - With the explicit objective of selling interplay among modellers, box staff and laboratory experimentalists.

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Extra info for Overland Flow: Hydraulics And Erosion Mechanics

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Runoff samples containing the diluted bromide solution were collected at the point where each rill discharged into the collection trough. Samples of approximately 800 ml were obtained using polyethylene bags. The concentrations of diluted bromide in each of these samples were determined later using an ion analyser. From measurements of the bromide injection rate and concentration, and diluted concentration, rill discharge rate was determined. Mean flow velocity in each rill was measured using a fluorometer (Hubbard et al.

Drag on cylinders in open channel flow. D. dissertation. Department of Hydraulic Engineering, Colorado State University, Fort Collins, Colorado. Rauws, G. 1988. Laboratory experiments on resistance to overland flow due to composite roughness. Journal of Hydrology 103, 37–52. M. 1984. Flow resistance in concentrated overland flow on rough slope surfaces. Earth Surface Processes and Landforms 9, 541–51. Savat, J. 1977. The hydraulics of sheet flow on a smooth surface and the effect of simulated rainfall.

3. Close agreement between predicted and measured values was found for each test series. 983. Thus, reliable estimates of roughness coefficients for gravel and cobble materials were obtained by adding the roughness contributions of individual size classes. Overland flow: hydraulics and erosion mechanics 34 Roughness coefficients for surface residue on croplands Experimental procedures A laboratory study was conducted by Gilley et al. (1991) to identify roughness coefficients for selected crop residue materials.

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Overland Flow: Hydraulics And Erosion Mechanics by Athol D. Abrahams, Anthony J Parsons

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