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Bathymetric & Underwater Survey
Service

Bathymetric & Underwater Survey

Marine sites, seen before the plume moves

Coastal, port, and near-shore survey for dredging, marine infrastructure, and environmental control — surface intelligence that supports bathymetric and underwater programmes.

Overview

The water surface, mapped in time to act

Ports, dredge faces, and long coastlines are slow to cover by boat and difficult to interpret from a single visit. Shamal flies repeat surveys over marine works and shorelines, processes georeferenced orthomosaics, and uses multispectral indices to show where sediment and other surface change are moving.

Where a project also needs bathymetric or underwater measurement, the aerial record gives the team a same-day picture of the work face, the containment line, and the surrounding habitat — so hydrographic effort is aimed, not spent searching.

Benefits

Service Benefits

What you gain when Shamal plans, flies, and delivers the work

Same-day surface evidence
Orthomosaics and index maps delivered fast enough to act while the dredge is still working.
Sediment made visible
Multispectral mapping shows plume density and spread past a containment line.
Less exposure on the water
Active dredge faces and long shores are assessed from the air before boats or divers are tasked.
Repeatable marine monitoring
The same flight logic can be flown again as the works or the season change.
Context for hydrographic teams
A georeferenced picture of where to focus bathymetric and underwater effort.
Environmental evidence
Habitat and plume records that support compliance conversations with a map, not a description.
Use Cases

Applications

Where this service is applied across projects in Saudi Arabia

Port and dredging works
Monitor sediment leaving the work area and confirm whether it stays inside the curtain.
Coastline baselines
Map long shores and near-shore waters that are impractical to walk or to cover slowly by boat.
Marine infrastructure
Entrance channels, reclamation edges, and coastal structures documented as they change.
Habitat and water-quality context
Surface indicators around sensitive coastal habitat during active marine works.
Support to bathymetric campaigns
Aerial context that tells a hydrographic crew where the change, the plume, or the priority is.
Environmental reporting
Georeferenced maps and a method statement suitable for project and regulator files.
Technology

Technologies Used

Aircraft, sensors, and processing methods behind the deliverable

Repeat UAV survey
Planned flights over the dredge, the channel, or the shoreline on an agreed cycle.
Georeferenced orthomosaics
A measurable image map of the marine work face and its surroundings.
Multispectral indices
Index maps that separate plume density and surface change from ordinary water.
Centimetre-level shoreline detail
Ground resolution tight enough to pinpoint where material escapes a boundary.
Fixed-wing coastal coverage
Long endurance for coastline and near-shore extents that a short hover cannot cover.
GIS delivery
Maps and notes issued for overlay with hydrographic and environmental layers.
FAQ

Frequently Asked Questions

Practical answers on scope, outputs, and how a project starts

Get Started
Discuss a marine survey
Share the works area, the environmental constraint, and whether bathymetric data is already part of the project. We will propose the aerial scope around it.
Contact Us