THE FACT ABOUT HYDROGRAPHIC SURVEY IN DHAKA THAT NO ONE IS SUGGESTING

[twenty five] Subsequent on the early MBES bathymetric surveys and at the time when single frequency aspect scan sonar had begun to create high quality visuals of the seabed which were capable of giving a degree of discrimination involving differing types of sediments, the likely on the echo amplitudes from the MBES was recognized.[26]Setting up ve