Boundary Shear Stress in Rivers and Estuaries

by Ronald E. Nece, (M.ASCE), Prof. of Civ. Engrg.; Univ. of Washington, Seattle, WA,
J. Dungan Smith, Asst. Prof. of Oceanography; Univ. of Washington, Seattle, WA,

Serial Information: Journal of the Waterways, Harbors and Coastal Engineering Division, 1970, Vol. 96, Issue 2, Pg. 335-358

Document Type: Journal Paper


A Preston tube and an array of miniature current meters for use in rivers and estuaries are described. Procedures are presented for making a Preston tube determination of boundary shear stress on hydraulically smooth, transitional, and rough surfaces in such natural waterways. Limited field results available appear to substantiate the method.

Subject Headings: Boundary shear | Shear stress | Rivers and streams | Estuaries | Hydraulic roughness | Waterways

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