[25] Subsequent on the early MBES bathymetric surveys and at time when one frequency aspect scan sonar experienced begun to produce top quality images with the seabed which were capable of furnishing a degree of discrimination amongst different types of sediments, the probable of the echo amplitudes

. The LiDAR makes use of light pulses to investigate the bottom of a seabed. Applying lasers, a 3D picture from the ocean’s topography is often rendered. It is commonly useful for dredging measurements and to properly placement underwater pipelines. Underwater surveying collects information