. The LiDAR works by using mild pulses to investigate the bottom of a seabed. Using lasers, a 3D image on the ocean’s topography may be rendered. It is often used for dredging measurements and to properly place underwater pipelines. Horizontal positions (latitude and longitude) are recorded making use of https://hydrographicsurveyinbangl01987.bloguetechno.com/5-essential-elements-for-hydrographic-survey-in-bangladesh-67411274