Figure 9 . Examples of EK80 data from echosounder mounted under the FOCUS-2 vehicle. The FOCUS was 2 – 30 m above the trawl and the sand cloud can be observed below and inside the trawl. The first image is from approaching the trawl and measuring the first part of the trawl. Range is 70 m. The image in the middle is showing cross sections of the trawl middle part and sand cloud under and inside the trawl. The range is 40 m. In the image on the bottom FOCUS is 2 – 5 m above the trawl extension which is about 10 meters above the seafloor. The sand cloud can be seen below the trawl extension. Range is 20m.
