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Mapping and Visualization

Terrestrial survey collage with drone and aerial map

Tetra Tech’s comprehensive approach to acquiring, processing, and analyzing survey and mapping grade data helps our clients better manage the earth’s resources, improve strategic planning, and facilitate design and decision-making.

We work closely with our customers throughout the project to understand their unique requirements and to mitigate risks (schedule, cost, and regulatory) by employing the optimum personnel, technologies, and sensors suited to the given task. Our ability to rapidly turn around data deliverables, often on-site during data collection, sets us apart from our competitors. Our unique capability enables real-time, strategic decision-making in the field.

Five Tetra Tech bathymetric survey crew members pose with Ultra TEMA-4 for detection of underwater munitions and unexploded ordnance

Hydrographic, Marine Geophysical, and Oceanographic Surveys

Tetra Tech delivers complex hydrographic, geophysical, and oceanographic survey services tailored to the specific needs of our clients. Our vast at-sea experience spans from shallow water (<1 meter [<3 feet]) to deep water (>5,000 meters [>16,000 feet]) and has resulted in numerous successful projects throughout the world.

  • Hydrographic surveys
  • LiDAR and underwater imagery, high-density laser scans
  • Marine geophysical surveys
  • Metocean studies
  • Archaeological, environmental, and geotechnical studies
Brazil topobathymetry and geotechnical survey, associated with a dam break

Terrestrial Geophysical Surveys

Tetra Tech geophysicists specialize in high-resolution 3D seismic and gravity imaging for various applications. These include detection of mine voids, subsurface karst imaging, fracture and fault mapping, hydrological and environmental applications, geothermal applications, mining applications, structural monitoring, earthquake engineering inputs, and ground motion prediction. Our staff have extensive experience in geologic data interpretation, including 3D modeling of data and interpreted results. 

  • 3D seismic and gravity investigation, subsurface mapping
  • Subsidence risk evaluations for karst and abandoned mines
  • Infrastructure geohazard risk evaluations
  • Geologic characterization and geotechnical evaluations
  • Seismic hazard assessment and ground motion evaluations
  • Dam foundation investigations, safety evaluations, and compliance monitoring
Topographical survey equipment at Ascension Island where Tetra Tech carried out site assessments

Topographic Surveys and Remote Sensing

Tetra Tech is a leading provider of integrated mapping solutions for airborne, mobile, and terrestrial projects. With our expertise in advanced mapping software, sensors, camera systems, and information technology infrastructure, we offer comprehensive services in air, land, water, and desktop mapping. We have an impressive industry track record, with our seasoned experts specializing in planimetric and topographic mapping, orthoimagery, LiDAR, multispectral and hyperspectral technology, mobile mapping, and laser scanning.

  • Satellite imagery collection and analysis
  • Land survey
  • Unmanned aerial data collection systems
Graphics simulation of recreational trail, Oregon

Modeling and Data Visualization

Tetra Tech’s visual resource staff provides a complete range of products and services, including visual impact assessments, visual simulations, illustrative graphics, architectural renderings, video, animation, public outreach materials, visual concepts of operations (CONOPS), and interactive 3D environments. Our graphics help convey complex topics to clients and stakeholders, clearing roadblocks for project approvals.

  • Animations and videography
  • Mobile and interactive technology
  • Graphic design
  • Technical infographics
  • Visual simulations
3D landfill rendering using geographic information system (GIS) mapping software

GIS and Mapping

Tetra Tech is an industry leader in the innovative use of geographic information systems (GIS) technology. Our analysts produce site maps and illustrations while managing large, multi-disciplinary environmental datasets. We are highly experienced in GIS and database automation, applications programming, spatial modeling, 3D modeling, advanced image analysis, and interactive web mapping.

  • Application development and programming
  • 3D and spatial modeling
  • Mobile mapping solutions
  • Asset management
  • Geodatabase design
  • Cartography and map template design
  • Web-based GIS and mapping

Connect with us. Reach out to our environmental solutions experts.

Our featured mapping and visualization highlights

Map of the area surrounding a power plant overlaid with GIS data produced by Tetra Tech's geospatial mapping team

Integrated Geospatial Mapping Solutions for Planning, Siting, and Permitting Energy Projects

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