DISCUSSIONS AND CLOSURES
Sep 1, 1993
Discussion of “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)
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VIEW THE REPLYAuthors: Vito Ferro and Giorgio BaiamonteAuthor Affiliations
Publication: Journal of Irrigation and Drainage Engineering
Volume 119, Issue 5
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References
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Bathurst, J. C. (1978). Flow resistance of large‐scle roughness.” J. Hydr. Engrg., ASCE, 104(12).
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Bathurst, J. C., Li, R. M., and Simons, D. B. (1981). Resistance equation for large scale roughness. J. Hydr. Engrg., ASCE, 107(12).
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Colosimo, C., Copertino, V. A., and Veltri, M. (1988). Friction factor evaluation in gravel‐bed rivers. J. Hydr. Engrg., ASCE, 114(8).
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Flammer, G. H., Tullis, J. P., and Mason, E. S. (1970). “Free surface, velocity gradient flow past hemisphere.” J. Hydr. Engrg., ASCE, 105(4).
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Ferro, V., and Giordano, G. (1991). “Experimental study of flow resistance in gravelbed rivers.” J. Hydr. Engrg., ASCE, 117(10).
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Graf, W. H., Cao, H. H., and Suszka, L. (1983). “Hydraulics of steep, mobile‐bed.” Proc. XXIAHR Congress, Moscow, USSR, 1983.
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Pyle, R., and Novak, P. (1981). “Coefficient of friction in conduits with large roughness.” J. Hydr. Res., 19(2).
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Copyright © 1993 American Society of Civil Engineers.
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Published online: Sep 1, 1993
Published in print: Sep 1993
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Vito Ferro
Res., Istituto di Genio Rurale, Facoltà di Agraria, Università di Reggio Calabria, P.zza S. Francesco, 4, 89061 Gallina di Reggio Calabria, Italy
Giorgio Baiamonte
Engr., Dipartimento E.I.T.A, Facoltà di Agraria, Università di Palermo, Viale delle Scienze, 90128 Palermo, Italy
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