FACTS ABOUT HYDROGRAPHIC SURVEY IN DHAKA REVEALED

Coastal engineering: Hydrographic surveys are used to study the consequences of waves, tides, and currents on coastal locations. This facts is used to structure coastal defenses, including seawalls and breakwaters.The increase of latest electronic systems – sidescan sonar and multibeam swath methods – while in the 1950s, 1960s and nineteen seve