HYDROGRAPHIC SURVEY NO FURTHER A MYSTERY

. The LiDAR makes use of light pulses to research the bottom of the seabed. Applying lasers, a 3D image in the ocean’s topography may be rendered. It is often used for dredging measurements and to correctly situation underwater pipelines.The rise of new Digital systems – sidescan sonar and multibeam swath devices – from the nineteen fifties,