Multibeam sonar survey covering Markhams Triangle MCZ in 2012. Full site
coverage outwards of between 30-55 m depth (chart datum). Lines run at varying
spacing with no cross lines run. Data collected at 300 kHz,WGS84 latitude and
longitude coordinates collected by Differential Global Positioning system,
MBES system mounted on a moving blade, Raw and processed data delivered to
Centre for Environment, Fisheries and Aquaculture Science, UK (CEFAS_
completed with georeferenced backscatter mosaics and GeoTiff images.