The Big Picture
A hydrographic survey involves surveying the top of the residual layer (sludge, bio solids, industrial waste/byproducts,) using sonar technology and measuring its thickness across the surface area of the lagoon/pond(s). Using Hydrographic Survey Equipment, SaskAlta is able to analysis the data, calculating volumes and producing a 3D image of the lagoon/pond(s). The 3D image shows the residual accumulation zones.
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