Ch. 6— Environmental Considerations • 217 



Figure 6-2.— Impacts of Offshore lUlining on tfie Marine Environment 



Ship discharge Surface plume 



■.■i'.'-.: 





Current 





• • ••• 



, •. •• • i ■ . 



'• • • 



Thermocline 

 pycnocline 



Coarse 

 solids 



Fine solids 



f 



I 



Benthic waters 





Clamp 

 shovel 





Seafloor 



• Directly 

 . affected 

 , area 



Benthic plume 



Indirectly 



affected 



area 



SOURCE: Office of Technology Assessment, 1987. 



72-672 0-87 



