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Field 04

Bathymetry

Surveying the relief of underwater beds: coastal areas, ports, estuaries, rivers, lakes and reservoirs.

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Diagram of an echo sounder bathymetric survey Diagram
Why this service?

Know the seabed before you build.

Depths, siltation, dredging volumes: bathymetry provides the essential data for port, river and hydraulic works.

Services offered

  • 01Bathymetric surveys using an echo sounder coupled with GNSS positioning
  • 02Cross-sections and depth charts
  • 03Coastal and shoreline studies
  • 04Volume calculations for dredging and siltation monitoring
  • 05Surveys for ports, quays, jetties, water intakes, bridges and hydraulic structures
  • 06Surveys of reservoirs, dams and water bodies
  • 07Continuous land-to-water survey, combined with topographic surveying
Methods & standards

Recognised methods, reliable data.

Surveys calibrated by tide or water-level measurements, with data quality control.

Echo sounderGNSS positioningTide measurementsLand-to-water survey
Sectors concerned
Ports & coastlineEnergyWaterMarine and river worksUrban coastal development
What you receive

Deliverables

Bathymetric charts and profiles

The depth at every point of the surveyed area.

Digital seabed models

The underwater relief in 3D, ready for use in your studies.

Survey report and volumes

Method, quality control and volume tables.

How a mission works
  1. 01
    Request a quote
    You describe your project via the form or WhatsApp, 24/7.
  2. 02
    Mission programme
    We define the methods, equipment and schedule.
  3. 03
    On-site work
    Our teams and mobile laboratory travel to you.
  4. 04
    Processing and analysis
    Data is processed, interpreted and checked.
  5. 05
    Delivery of deliverables
    Report and documents delivered, presented if required.
In pictures

In the field and in the laboratory.

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Port and basins from above
Ports, quays and basins
Illustrative photo
Marina from above
Coastal areas and shoreline
Illustrative photo
Frequently asked questions

Have a question?

Can you combine land and underwater surveys?

Yes: by combining land surveying and bathymetry, we deliver a continuous survey from land to seabed.

What is a pre-dredging survey for?

To calculate dredging volumes precisely, then monitor how siltation develops.

Related services
Land surveyingGeotechnicsHydrogeology

A bathymetry project?

Quote requests received 24/7.

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