EXAMPLE: Consider a river with a discharge of

58,450 cfs and an observed intruding saline wedge

Layer Model of the Saline Wedge. Part II:

with an interface height of 10.5 ft. Taking the river

Entrainment and Interfacial Friction," *Journal*

width as 1,000 ft, the depth as 35 ft, and the density

ration, ((*p*s - *p*f)/*p*f), as 0.02, it is estimated that

Engineers, Vol 113, No. 10.

0.01 and the normalized density interface *n *= 0.30.

Using these two values to locate the point on the

and Related Phenomena," *Journal Fluid Mechanics*,

diagram, the value of *t *= 0.3 in zone A. The

Vol 31 Part 2, pp 209-248.

design height of the control device, *t*d, is estimated

to be 10.5 ft.

Currents or Density Wedges: Boundary Layer

Influence and Control Methods," *Journal of Fluid*

Layer Model of the Saline Wedge. Part I: Entrain-

imental Study of Salinity Intrusion Control Methods

ment and Interfacial Friction," *Journal Hydraulic*

in Estuaries and Waterways, Contract Technical

Report" (in preparation), U.S. Army Engineer

Vol 113, No. 10.

Waterways Experiment Station, Vicksburg, MS.

1-6

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