Figure II-6-11. Wave refraction pattern in the vicinity of the Merrimack River Estuary entrance, just south of the Merrimack Inlet (from Hayes (1971))

Part-II-Chap6
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14

EM 1110-2-1100 (Part II)

30 Apr 02

Figure II-6-11. Wave refraction pattern in the vicinity of the Merrimack River Estuary entrance, just

south of the Merrimack Inlet (from Hayes (1971))

(3) To account for a non-sinusoidal character of the prototype flow, Keulegan determined

T Qmax

T Vm Aavg

/ P'

(II-6-14)

πC

and found C varying between 0.81 and 1.0 for K, the filling coefficient, varying between 0.1 and 100. For

practical application, if 0.1 < K < 1.8, use C = 0.86, and for K > 1.8, use C = 1.0.

II-6-14

Hydrodynamics of Tidal Inlets