GIS Mappers successfully conducted a comprehensive bathymetric survey in Seeb Harbour, Muscat, commissioned by the Ministry of Agriculture & Fisheries, Sultanate of Oman. The objective was to map the offshore seabed profile near the coastline of the harbour area to support design, dredging, and future marine infrastructure planning.
The bathymetric survey was conducted with a line spacing of 10 meters to ensure detailed resolution. Contour maps with 0.5-meter intervals were generated at a 1:1000 scale for engineering and design use. Deliverables included DWG-format drawings and ASCII coordinate files (X, Y, Z).
The survey employed an Odom Hydrotrac single-frequency echo sounder (200 kHz) along with a Valeport Tide Gauge installed at the Seeb harbour quay wall. Positioning was handled with Sokkia RTK GPS, ensuring precise horizontal and vertical control. Data was referenced to WGS 84 and Mean Sea Level, and processed using HydroPro software.
Pre-survey reconnaissance was carried out to assess site safety and align with client objectives. Tide measurements were used to reduce soundings to standard datum levels. The survey began on January 2, 2012, and was successfully completed by January 9, 2012.
The final bathymetric dataset reflected irregular seabed conditions and shallow depths, critical for determining dredging volumes and marine structure design. GIS Mappers delivered high-quality geospatial data aligned with IHO standards, reinforcing our role in supporting marine development projects across Oman.
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