a. Grain- size distribution changes through time 



o 

 o 



Q. 



1.5 







Z 

 I- 



o 



CO 



1 - 



0.5 



LU 

 £ 



• . 173 

 163* 182 • ■ 169 

 175 . . 167 



.............171.. 



186 -J, 



156 • 

 (beach only) 



-2 -1.5 -1 -0.5 0.5 1 1.5 2 2.5 3 3.5 4 



COARSE MEAN (PHI) FINE 



• PROFILE 



b. Mean versus sorting 



Figure 25. Profile composite grain-size distribution changes 

 through time and mean versus sorting 



62 



