Hydrographic Survey​

Hydrographic Survey​

At OceanSciTech, we provide advanced hydrographic survey solutions that are essential for offshore and nearshore development projects, environmental studies, and maritime infrastructure planning. Our comprehensive survey capabilities ensure that marine construction, design, and environmental compliance are built on a foundation of precise and actionable data.

Hydrographic surveys deliver vital information about seabed topography, tide behavior, water currents, and seafloor characteristics. Whether in the planning or construction phase, our surveys support critical operations such as dredging, coastal engineering, navigation safety, and subsea infrastructure positioning.

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Our Capabilities Include

🟦 Bathymetric Surveys

  • Single-beam and multi-beam echo sounding (MBES)

  • Generation of detailed depth contours and digital terrain models

  • Pre- and post-dredging volume calculations

🟦 Side-Scan Sonar Surveys

  • Acoustic imaging of the seafloor

  • Detection of obstructions, wrecks, and seabed features

  • Ideal for subsea cable, pipeline route assessments, and marine archaeology

🟦 Sub-bottom Profiling

  • Identification of sediment layers and buried objects

  • Supports geotechnical investigations and habitat analysis

🟦 Tidal and Current Measurements

  • Tidal zoning and chart datum computations

  • ADCP deployment for current velocity and direction profiling

  • Long-term and real-time tide monitoring with data loggers

🟦 Seafloor & Water Column Characterization

 

  • Sediment composition and benthic habitat mapping

  • Water column profiling (CTD, ADCP, Weather Stations)

  • Vegetation and seagrass mapping

 

📊 Survey Applications

  • Navigation clearance and obstruction verification

  • Coastal development and shoreline engineering support

  • Offshore platform and drill barge positioning

  • Harbor and marine terminal construction

  • Environmental baseline and impact surveys

  • Oceanographic and marine ecological studies

  • Monitoring and performance verification of dredging and marine contracts

  • Updating navigation and hydrographic charts

  • Coastal zone management and marine spatial planning

 

⚙️ Technology We Use

  • Multi-beam and single-beam echo sounders

  • Side-scan sonar and sub-bottom profilers

  • RTK GNSS positioning systems

  • ADCPs, CTDs, tide gauges, and met-ocean stations

  • GIS software and hydrographic data processing suites

👷 Our Expertise

At OceanSciTech, we invest in both people and technology. Our hydrographic survey department is staffed by qualified hydrographic engineers, technicians, and operators, all equipped with fully integrated survey systems. We maintain the flexibility to scale from small harbor surveys to complex offshore operations at depths exceeding 300 meters.

✅ Why Choose OceanSciTech?

  • End-to-end hydrographic services from feasibility to final reporting

  • Seamless integration with marine environmental and ecological assessments

  • Full compliance with international standards (e.g., IHO, IFC PS6, EIA regulations)

  • Rapid mobilization and operational reliability

  • Commitment to safety, accuracy, and innovation