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RISDarcy‐Weisbach Roughness Coefficients for Gravel and Cobble Surfaces
Publisher: American Society of Civil Engineers
Abstract: A laboratory study is conducted to measure Darcy‐Weisbach roughness coefficients for selected gravel and cobble materials. Varying rates of flow are introduced into a flume in which a given size class of gravel or cobble ...
Closure to “Darcy‐Weisbach Roughness Coefficients for Gravel and Cobble Surface” by John E. Gilley, Eugene R. Kottwitz, and Gary A. Wieman (January/February, 1992, Vol., 118, No. 1)
Publisher: American Society of Civil Engineers
Roughness Coefficients for Selected Residue Materials
Publisher: American Society of Civil Engineers
Abstract: Analysis of surface runoff on upland areas requires identification of roughness coefficients. A laboratory study is conducted to measure Darcy‐Weisbach and Manning roughness coefficients for corn, cotton, peanut, pine ...