Department for Environment, Food and Rural Affairs (DEFRA) MCZ: Markham's Triangle: Multibeam, Benthic Sampling and Video survey mrtr_cend0812: Northern North Sea (30/04/2012 to 05/05/2012)

Groundtruthing survey collecting Hamon grab samples (for infaunal analysis and PSA) and video and still image data. Multibeam bathymetry and backscatter data. WGS84 latitude and longitude co-ordinates collected by Differential Global Positioning System (D-GPS), depths corrected to Chart Datum (CD). Raw and processed data delivered to Centre for Environment, Fisheries and Aquaculture Science, UK (Cefas). These data are archived with the Marine Environmental Data and Information Network (MEDIN) Data Archive Centres (DACs) including the British Geological Survey (BGS) DAC for geology and geophysics, The Archive for Marine Species and Habitats Data (DASSH) and the United Kingdom Hydrographic Office (UKHO) bathymetry DAC. The full site data package including raw is also available on request from BGS.