LIST OF FIGURES 



Figure 3-12. Transect #11, showing a plume patch that has been advected 250 meters 

 downcurrent along the eastern side of the navigation channel. Profile runs 

 east to west. 



Figure 3-13. (A) November 3, 1993 barge position and transect locations with the 



occurrence of the plume delineated on each transect; (B) barge position and 

 transects with the location of water and CTD samples 



Figure 3-14. Dark patches of the plume detectable in the echo sounder trace of Transect 

 #19, 125 meters downcurrent of the barge on November 3. Profile runs east 

 to west. 



Figure 3-15. (A) November 11, 1993 (first ebb survey) barge position and transect 



locations with the occurrence of the plume delineated on each transect; (B) 

 barge position and transects with the location of water samples 



Figure 3-16. Traces of the plume from the echo sounder records of Transect #27, 



advected 525 meters downcurrent along the eastern boundary of the channel, 

 November 11. Profile runs west to east. 



Figure 3-17. (A) November 11, 1993 (second ebb survey) barge position and transect 

 locations with the occurrence of the plume delineated on each transect; (B) 

 barge position and transects with the location of water samples 



Figure 3-18. Echo sounder record from Transect #31; portions of the plume have been 

 advected 200 meters downstream along the eastern flanks of the channel, 

 November 1 1 . Profile runs east to west. 



Figure 3-19. Echo sounder trace from Transect #22, just aft of the barge on November 

 11, showing an example of the dredged sediment plume with characteristics 

 of a density current. Profile runs east to west. 



Figure 3-20. (A) November 15, 1993 barge position and transect locations with the 



occurrence of the plume delineated on each transect; (B) barge position and 

 transects with the location of water samples 



Figure 3-21. Patches of the plume observed in the shoal areas of Morris Cove, 650 meters 

 northeast of barge operations. Profile is from Transect #39 recorded on 

 November 15, and runs west to east. 



