Broad band backscatter from organisms in the mesopelagic zone (200-1000 m depth) measured with the towed vehicle MESSOR operating 38 kHz in CW and 70, 120, 200, and 333 in FM mode.
Broad band backscatter from organisms in the mesopelagic zone (200-1000 m depth) measured with the towed vehicle MESSOR operating 38 kHz in CW and 70, 120, 200, and 333 in FM mode.