Coastal engineering: Hydrographic surveys are used to study the results of waves, tides, and currents on coastal parts. This information is used to design and style coastal defenses, which include seawalls and breakwaters. 4.1.2 Multi-Beam Echo Sounder (MBES) Currently, MBES technological know-how is extensively Utilized in hydrographic survey operations. MBES https://garrettzkxbz.tokka-blog.com/32693131/5-essential-elements-for-hydrographic-survey-in-bangladesh