Seafloor maps for military exercise

February 17th, 2014, Published in Articles: PositionIT

 

Proteus has delivered accurate bathymetric and seafloor classification maps for a joint UK-France amphibious military exercise on the Island of Corsica. In the pilot managed by the UK Hydrographic Office, Proteus partnered with DigitalGlobe to derive accurate bathymetric measurements and identify four seabed types to a depth of 12 m from multispectral satellite imagery without ground control. The Corsica coastal marine mapping project was completed at about one-tenth the time and cost of traditional sonar or lidar because the data is derived exclusively from satellite imagery, leaving no environmental footprint and facing no airspace restrictions. For the joint military operation, the British and French armed forces requested detailed information about water depth and the submerged seabed along specific sections of the Corsican coastline so that amphibious military vehicles could be launched from larger vessels anchored offshore and safely landed on the island’s beaches. The custom maps created by Proteus were used by the military to select precisely where the landings would occur. Working with eight-band multispectral image data with 2 m resolution collected by DigitalGlobe’s WorldView-2 satellite, the Proteus-led team achieved the bathymetric measurements in Corsica’s Mediterranean coastal zone to a total depth of 12 m.

Contact David Critchley, Proteus, info@proteusgeo.com

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