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Israeli drone service provider ERELIS recently conducted a number of pilot projects using a drone equipped with a single-beam echo sounder in the Mediterranean and Dead Seas. The data was validated by authorized local surveyors and reports from previous surveys of the same areas by “Michmoret Campus – Faculty of Marine Sciences.” The “reference” bathymetric data was collected using a manned boat and multi-beam and single-beam echo sounders and demonstrated a good match between the results of new drone-based and traditional methods. 

The bathymetric system consisted of a standard commercial DJI drone (UgCS SkyHub onboard computer and terrain following system with radar altimeter) and Echologger ECT400 single-beam echo sounder provided by SPH Engineering, Latvia. For data processing, the Eye4Software Hydromagic software package was employed.

Image Credit: ERELIS