Hydrographic surveys, sometimes call Bathymetric Surveys, are conducted on estuaries, lakes and rivers. We utilise depth sounding techniques that are connected to shore based survey instrumentation/equipment. Depth readings can be located accurately in plan format using GPS satellite, for further data analysis.
All surveying data can be plotted in contour format for visualisation of depth, using LSS modelling software. 2D or 3D dimensional AutoCAD drawings illustrate the sub surface topography of the area and cross-sectional data showing lake or waterway bed or pipeline details.
Where required, a volumetric analysis survey can be undertaken to calculate storage capacities or rates of silt deposition.