Bathymetry & Hydrography
Map seabed form, water depth and route constraints across ports, cable corridors and pipeline landfalls.
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- Multibeam mapping
- Hydrographic profiling
- Route and landfall support
Nearshore & landfall·Integrated site characterisation
From beach to shallow shelf.
ASAO coordinates bathymetry, shallow seismic and geotechnical investigation across the landfall corridor so route and foundation teams can work from one connected ground picture.
Nearshore campaign architecture
One corridor.
Four connected workstreams.
Shallow-water projects sit at the interface between marine, coastal and terrestrial engineering. The campaign is structured so those interfaces are investigated together.
Shallow Seismic
Resolve upper sediment layers and shallow geohazards before engineering or construction starts.
02
- Sub-bottom profiling
- Stratigraphic interpretation
- Shallow hazard screening
Drilling & CPT
Obtain physical ground truth from purpose-suited shallow-water assets and stable nearshore platforms.
03
- Wireline coring
- In-situ CPT
- Borehole logging
Integrated Data
Connect survey and ground-truth outputs into a coherent package for route and design decisions.
04
- Cross-discipline QC
- Engineering-ready formats
- Traceable interpretation
Seabed geometry
Resolve the route before it becomes the problem.
High-resolution bathymetry gives the project a reliable surface model for pipeline, cable, port and coastal infrastructure planning.
Used early, the data helps identify topographic constraints, local seabed variability and areas that require deeper geophysical or geotechnical investigation.
Follow the workflow
The interface zone
Coastlines compress complexity into a small operating area.
Tides, shallow draft, changing sediments, access constraints and landfall geometry all meet in one corridor. The investigation should be planned as one system rather than separate survey tasks.
Shallow subsurface imaging
See the sediment architecture beneath the route.
Sub-bottom profiling adds the vertical dimension bathymetry cannot provide, allowing teams to trace shallow stratigraphy and screen features that may affect installation or foundation design.
Interpretation becomes more useful when it directly informs borehole and CPT locations.
Physical ground truth
Put samples where they answer the engineering question.
Nearshore drilling and CPT verify material properties beneath critical route sections, shore approaches and foundation locations.
BoreholesMaterial recovery and logging
CPTContinuous in-situ response
LabEngineering property testing
Nearshore applications
Designed around infrastructure decisions.
The acquisition stack changes with the asset, but the need is consistent: understand the seabed, shallow subsurface and physical ground before construction.
Pipeline landfalls
Characterise shore approaches, shallow seabed geometry and ground conditions along the route corridor.
Subsea cables
Support route selection, burial assessment and local geohazard understanding across shallow-water corridors.
Ports & terminals
Build ground evidence for dredging, expansion, quay, jetty and access-channel planning.
Coastal energy
Investigate export corridors, foundations and nearshore infrastructure around energy developments.
Marine foundations
Combine seabed geometry and physical ground properties around crossings, piers and structures.
Pre-FEED / FEED
Reduce early uncertainty before detailed design and installation planning begin.
Unified deliverables
One evidence package, not disconnected reports.
Hydrographic, geophysical and geotechnical outputs should be easy to compare, trace and hand into the next engineering workflow.
Acquisition creates value when the resulting evidence improves the project decision.
Read the ASAO approachNearshore & landfall
Define the corridor.
Then design the investigation around it.
Share the location, asset type, approximate water depth and project stage. We can shape the survey and drilling package around the decision you need to make.