The presence of suspended sediments in water bodies presents significant challenges for the dredging industry. Existing methods to determine nautical depths are intrusive single-point methods relying on in situ density or shear strength measurements 1,3 or low-frequency singlebeam echosounder recordings 1,2. The use of single-beam echosounders is however, systemically problematic as they are not practical in satisfying the CATZOC A1 coverages required for contemporary electronic navigational charting.
By Dr Pawel Pocwiardowski, NORBIT
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Surveying for a CATZOC A1 navigable bottom in the presence of fluid mud
