EM 1110-2-1100 (Part II)
30 Apr 02
Figure II-6-12. Ebb and flood flow patterns from a model study of Masonboro Inlet, North Carolina
(Seabergh 1975)
(4) A more precise method of prism determination includes the cubature method (Jarrett 1976), which
takes into account the time required for a tide to propagate through a bay and segments the bay into subareas
rather than assuming a uniform rise and fall of the bay tide. Jarrett (1976) also recommends ways to relate
point measurements of maximum velocity in the center of the channel (as can be obtained from NOS current
tables) to velocities representative of the entire inlet, using
2
Vavg
R 3
(II-6-15)
'
Vmeas
D
Hydrodynamics of Tidal Inlets
II-6-15
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