N Md ERES 
       
    
  
z 100r S 
Oo e, 
œ 
uJ 
© 80} 
z 
o 
2 60r 
4 
pe 
a 
wd . 
i er oc - Attenation 
œ coefficient 
= 
o 20- 
> 
> 
o 
a 
  
0 $ 10 15 20 25 30 35 40 45 50 
DEPTH IN METRES 
o eo 
wn un a © eo 
mm? N N = G9 eo 
-— coco? o o 3 © c 
> o Scoop 9 o o 
z100r 
w 
o 
ac 
w 
à 807 
z 
60 
  
  
  
  
  
  
20r 
  
BOTTOM REFLECTANCE 
= 
g 
  
  
0 50 100 150. 200. 250 300 350 400 
DEPTH IN CMS 
Fig.3. Modeling of bottom reflection to aid selection of 
suitable sampling sites 
618