llf 



WW 



SWL 



Much Sand Fed 

 (eroded beach condition) 

 a. 



Little Sand Fed 



(normal condition) 



b. 



V / 



No Sand Fed 

 (beach oversupplied) 

 c. 



FIGURE 3. CONTROL OF SAND FEEDING RATE BY 

 THE BEACH PROFILE ADJUSTMENT 



The best location and height of the feeder are probably functions of 

 the feeder size and the particle sizes of the sand used. Actually only a 

 feeder of the size shown in Figure 2, using sand of 0.2-mm. median diameter, 

 has been used in tests at the Beach Erosion Board. Other feeder and sand 

 sizes may require some experimentation to achieve satisfactory results. 



