Bathymetric Survey – Shoiba, Saudi Arabia

Bathymetric Survey – Shoiba, Saudi Arabia

GIS Mappers was appointed by Ayesa to deliver a comprehensive bathymetric survey in Shoiba, located along the western coastline of Saudi Arabia. This project was critical to understanding the seabed characteristics in the region, supporting future marine infrastructure development, maintenance, and environmental protection efforts. The Shoiba site, while strategically important, presented numerous technical and logistical challenges that required advanced geospatial solutions and adaptive project management.

One of the primary challenges encountered was access limitation. Several sections of the coastal and nearshore area were inaccessible by boat due to shallow waters and restricted navigation corridors. To ensure full area coverage, GIS Mappers employed a hybrid approach that integrated remote sensing technologies with traditional hydrographic surveying. High-resolution satellite imagery was analyzed and used to generate preliminary bathymetric data through GIS processing tools.

Using ArcGIS Pro, Digital Elevation Models (DEMs) were derived from multispectral raster datasets. The data was converted from raster to point feature classes using spatial analysis tools, and depth values were interpolated with high accuracy. This remote sensing method allowed the team to effectively map inaccessible regions, complementing the hydrographic survey results.

For accessible zones, GIS Mappers mobilized a well-equipped survey team to Shoiba. Multi-beam and single-beam echo sounders were used alongside RTK-enabled GNSS equipment and sound velocity profilers. Strict QA/QC protocols were followed to ensure high precision in depth measurements and data integration. All spatial datasets were referenced to the WGS 84 / UTM Zone 37N coordinate system and adjusted to the local tidal datum.

A significant hurdle in project execution was obtaining security clearance and operational permissions from the Coast Guard. GIS Mappers prepared detailed documentation outlining the scope of work, team credentials, equipment inventory, and data acquisition methodology. The approval process involved several reviews but was successfully navigated through transparent communication and full regulatory compliance.

The final deliverables for the Shoiba bathymetric survey included integrated maps, XYZ point clouds, seabed profiles, and a combined terrain model merging remote and field data. This dataset offers Ayesa a comprehensive view of the Shoiba marine landscape, enabling more informed decision-making for coastal planning, dredging, and risk assessment initiatives in the Red Sea region.

This project highlights GIS Mappers' capability to blend field surveying with advanced geospatial technologies to overcome environmental and regulatory challenges. With experience across Saudi Arabia’s coastal zones, GIS Mappers continues to deliver accurate and actionable marine survey data for clients committed to sustainable development and environmental stewardship.