17 



LIFTING BAR 

 INNER FRAME 



■ OUTER FRAME 



• WEIGHT 



■ WEIGHT PACK 



. MUD DOOR 

 ELASTIC STRAP 



MUD DOOR 



3 BASE (SLED) 



DEPLOYED 



ON THE 

 SEAFLOOR 



■> 



ACOUSTIC 



SIGNAL 



^TOTHE 



^ SURFACE 



"DOWN" POSITION 



Transecting the 

 Sediment-Water Interface 



I 



4^ 



17 



rti y^:r^\mm^ 



"\ 



^ SIGNAL 

 ^ RATE 

 DOUBLES 



1/ • 



SEAFLOOR 



1 . FACEPLATE 



or ■WINDOW" 



OF PRISM AGAINST 



SURFACE TO BE 



PHOTOGRAPHED 



3. CAMERA PHOTOGRAPHS 

 OP SEDIMENT PROFILE 



IMAGE REFLECTS OFF 45 c 

 ■ MIRROR 



DISTILLED WATER INSIDE PRISM 



Figure 2-2. Schematic diagram of Benthos, Inc. Model 3731 REMOTS® sediment-profile 

 camera and sequence of operation on deployment. 



Monitoring Cruise at the New London Disposal Site, Seawolf Mound 1995 - 1998 



