HYDROGRAPHIC SURVEY IN BANGLADESH NO FURTHER A MYSTERY

. The LiDAR uses light pulses to investigate The underside of the seabed. Making use of lasers, a 3D graphic of the ocean’s topography may be rendered. It is often used for dredging measurements and to properly placement underwater pipelines.Multibeam sonar measures the depth of the sea floor by examining the time it takes for audio waves to trav