Coastal engineering: Hydrographic surveys are applied to check the effects of waves, tides, and currents on coastal spots. This data is utilized to style and design coastal defenses, like seawalls and breakwaters.The coastal area of Bangladesh is very shallow and indented in nature. Lots of the inshore parts are inaccessible by survey vessel as a r

Apart from noticeable Value price savings, this also provides a continual survey of a location, however the drawbacks are time in recruiting observers and acquiring a high adequate density and quality of data. Even though often accurate to 0.1 – 0.2m, this method are unable to substitute for any arduous systematic survey, exactly where this is ne