Specialist Disciplines

Marine Environment

Coastal and offshore assessment

Marine water quality, sediment, habitat and oceanographic survey for coastal development and discharge assessment along the Kingdom's shorelines.

What we assess
Water columnQuality and stratification
SeabedSediment and benthic habitat
DynamicsCurrents, waves, dispersion
Accredited NCEC & MWAN
The obligation

The receiving environment decides the answer

A discharge that is unremarkable in an open, well-flushed setting can be significant in a sheltered bay with limited exchange. The same load produces different outcomes depending entirely on where it goes.

That is why marine assessment needs oceanographic data rather than water quality alone. Without currents and dispersion behaviour, a prediction about where something ends up is guesswork.

Every condition specifies
Baseline Conditions before the project
Hydrodynamics How water actually moves
Sensitivity What habitats are present
Dispersion Where the plume travels
Scope of work

What the work covers

01

Marine water quality

Sampling and analysis through the water column, including stratification where thermal or saline layering affects the outcome.

02

Sediment sampling and analysis

Seabed sediment characterisation and contaminant analysis, which is central to any dredging or disposal assessment.

03

Benthic habitat survey

Mapping and assessment of seabed habitats including coral and seagrass, which carry the highest sensitivity in Saudi waters.

04

Oceanographic measurement

Current, wave, tide and temperature measurement providing the physical data any dispersion assessment depends on.

05

Marine dispersion modelling

Prediction of how discharges, thermal plumes and sediment behave once released, calibrated against measured conditions.

Process

How the work runs

01

Scope

The receiving environment and the question are established first.

02

Measure

Water, sediment and oceanographic data are collected over a representative period.

03

Model

Dispersion and impact are predicted using the measured data.

04

Report

Findings and mitigation are set out for submission.

Specialist work is judged on method, not on volume.

Have your conditions reviewed
Why it matters

What you get out of it

Measurednot modelled blind

Hydrodynamics measured

Current and wave data underpin any dispersion prediction, so they are collected rather than assumed.

Fullvariation

Representative period

Tidal and seasonal variation is captured, because a short deployment can mislead entirely.

Mappedbefore works

Sensitive habitat mapped

Coral and seagrass carry the highest scrutiny in Saudi waters and are surveyed accordingly.

Calibratedto site data

Models calibrated

Dispersion predictions are checked against measured conditions rather than left uncalibrated.

Applicability

Who needs marine assessment

Coastal developments

Reclamation, marinas and waterfront projects change hydrodynamics as well as occupying seabed, and both effects need assessing.

Discuss your site

Desalination plants

Brine discharge assessment is the central environmental question for these facilities, and it depends on dispersion behaviour rather than concentration alone.

Discuss your site

Ports and dredging

Sediment characterisation determines disposal options, and plume modelling is normally required before dredging is approved.

Discuss your site

Outfall discharges

Any marine outfall requires assessment of where the discharge goes and what it reaches, particularly near sensitive habitat.

Discuss your site

Offshore operations

Platforms, pipelines and subsea works require baseline survey and, in many cases, ongoing monitoring.

Discuss your site

Tourism developments

Projects near coral and seagrass face the highest scrutiny, since these habitats are both sensitive and slow to recover.

Discuss your site
Questions

Common questions

Why is oceanographic data needed?
Because dispersion depends on how water moves. Without current and wave data, any prediction about where a discharge ends up is unsupported.
What makes coral and seagrass surveys different?
They are highly sensitive and slow to recover, so assessment thresholds are lower and mitigation expectations higher than for other habitats.
How long does marine baseline work take?
Longer than terrestrial, because tidal and seasonal variation has to be captured. Oceanographic deployment alone typically runs over weeks.
Is brine discharge always a problem?
Not inherently. The question is the receiving environment, an open coast with strong exchange behaves very differently from a sheltered embayment.
Do we need ongoing marine monitoring?
Frequently yes, where a permit requires confirmation that predicted impacts have not been exceeded.

Not sure what your permit requires?

Send us the conditions and we will tell you exactly which parameters, methods and frequencies apply. No charge for the review.

Chat with us on WhatsApp
Ask an ExpertFree Consultation →
Environmental Specialist
Accredited environmental consultant · Riyadh
Riyadh · Sun–Thu
Have a question?
Send us your question and we will come back to you during business hours.
or send a quick message