CABLE TD 

 POWER SUPPLY 



PVC 



ELECTRDNICS 



HDUSING 



// / <\\ 777" 



NDT TD SCALE 

 VIEW TDWARD SHDRE 



Figure 4-1. Schematic of capacitance wave gauge used in swash 

 measurements 



tests. In most tests, Gauges A and B were located in water of sufficient depth 

 that the sand surface was never exposed. The other gauges were often located 

 near or landward of the still-water shoreline where the sand bed was exposed 

 intermittently. Some gauges were located near (or even above) the wave 



76 



Chapter 4 SUPERTANK Swash Measurements 



