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Geological and Geophysical (G&G) and
High-Resolution Geophysical (HRG) Surveys
G&G HRG surveys efficiently map seabed morphology and subbottom stratigraphy using a suite of geophysical tools and are often performed to aid in siting offshore (i.e. O&G, renewable energy) structures and locating marine mineral resources. HRG surveys are also used to support offshore archaeological, geohazard, benthic habitat, unexploded ordinance (UXO) mappings and evaluations. HRG surveys may include:
- Multibeam echosounder
- Side Scan Sonar
- Subbottom Seismic Reflection Profiler
- Subbottom Seismic Refraction
- Marine Magnetometer and/or Gradiometer