20+ 



15-- 



10-- 







BREHTOH REEF 

 OCTOBER 1987 



1 2 3 4 5 6 7 8 3 1911 12 13 14 

 BOUNDARY ROUGHNESS CLASS IHTERUAL 



10+ 



5-- 







BRENTON REEF REFERENCE 

 OCTOBER 1987 



111 



123456789 10 

 BOUNDARY ROUGHNESS CLASS INTERUAL 

 Key 



Class 



Range 



of 



Interval 



Values 



(cm) 



1 



0.0 



. 



0.6 



2 



0.6 



- 



1.0 



3 



1.0 



- 



1.4 



4 



1.4 



- 



1.8 



5 



1.8 



- 



2.2 



6 



2.2 



- 



2.6 



7 



2.6 



- 



3.0 



8 



3.0 



- 



3.4 



9 



3.4 



- 



3.8 



10 



3.8 



- 



4.2 



11 



4.2 



- 



4.6 



12 



4.6 



- 



5.0 



13 



5.0 



- 



5.4 



14 



5.4 



- 



5.8 



Figure 3-12. Frequency distributions of small-scale surface 

 boundary roughness values for Brenton Reef REMOTS 6 

 grid stations (top) and reference stations 

 (bottom), October 1987. 



