Hydrographic Survey

Hydrographic Survey s support a verity of activities , nautical charting , port and harbor maintance ( dredging), Coastal Engineering (Beach erosion and replenishment studies) , coastal zone management and offshoreresource development.

Most Surveys are primarily concerned with eater depth, of additional concern is the nature of the sea floor material ( I , e , sand mud rock)
Surveyors pay particulars attention to acquiring the precise location of least depths on dangers navigation and depths significant to serface navigation .

Tides or water level measurements are also recorded to provided a vertical references (mean lower Low water ) for water depth.