Seismic Reflection

TerraDat has specialist experience in designing and implementing high-resolution seismic reflection surveys for onshore and shallow marine environments. The company routinely carries out seismic survey work for geotechnical and environmental applications as well as larger-scale work for oil/mineral exploration.

TerraDat operates a range of state-of-the-art seismic systems that can configured to meet the particular project requirement. These range from a simple 24-channel seismograph with PC-based processing software to the latest 120-channel telemetry seismic systems and PROMAX software.

TerraDat is actively involved with ongoing research into the use of shallow seismic reflection in testing environments with an incentive to promote its use for a more diverse range of applications. Several publications have been produced over the years and are available on request. The method requires careful planning where very shallow depths are to be investigated, but the results can prove to be invaluable.

Related Services and Applications

How can geophysical techniques be used to investigate and monitor leaking dams?

Dams are vital structures that contribute to vital infrastructure including drinking water, crop irrigation, and hydroelectric power. These structures, often over a century old are also put under huge stress by the large quantities of water they retain as well … Read More

MASW (Surface Wave Surveys)

Multi-channel Analysis of Surface Waves (MASW) is a very useful method for investigating shallow geological structure and, in particular, the relative shear strength of subsurface materials. By incorporating density values for the local bedrock and overburden sediments it is possible … Read More

Experienced Ground Radar (GPR) Company

TerraDat has been a GPR survey company since the technique evolved to a level where it could be applied to a wide range of applications over 20 years ago. Because the GPR method involves analysis of wave-form data, our experience … Read More

Shallow Geophysics for Transmission Cable Route Characterisation

Shallow geophysics plays a crucial role in characterizing the subsurface for transmission cable routes, offering significant advantages to transmission teams working on energy infrastructure projects. By employing non-invasive geophysical techniques, energy providers can optimize cable route planning, reduce environmental impact, … Read More

Archaeological Geophysics (Archeology)

CHECK OUT OUR NEW DEDICATED ARCHAEOLOGICAL GEOPHYSICS WEBSITE TerraDat’s archaeological geophysics team is uniquely placed to draw on decades of experience in applied geophysics and archaeological surveying. TerraDat’s approach uses our fully-trained geophysicists to deal with the geophysics while our … Read More

Geophysics for Mapping Geology along Pipeline Routes

Pipelines and cable routes present a set of unique developmental and geotechnical challenges. TerraDat has designed an integrated survey approach, providing data useful to all stages of the project design. Archaeological assessments and UXO detection: Due to the large distances … Read More

Solar Energy: Investigating the Subsurface Beneath Solar Farms Using Geophysics

Click for more information on investigations for Solar Farms Archaeology beneath solar farms TerraDat provides geophysical services to the renewable energy industry, including wind and solar farms. We employ techniques for investigating the ground beneath these developments to assist with … Read More

Slope Stability: Understanding Slope Stability using Geophysics

TerraDat has developed a strategy for investigating slope stability that provides key engineering properties for managing and monitoring existing and potential landslides. While each site is considered unique with respect to the survey design, the methods that most often prove … Read More

Electrical Earthing: Advanced Soil Resistivity Measurements for Electrical Earthing Design

As part of our services for energy and infrastructure, TerraDat regularly carries out soil resistivity measurements for earthing installation design and corrosion engineering. These resistivity measurements are made by passing a DC electrical current through the ground using a pair … Read More

Mapping Shallow Abandoned Mineworkings using Geophysics

The problem of mapping shallow abandoned mine workings is significant in the re-development of brownfield sites or land reclamation in former mining areas. A TerraDat Geophysics survey can mitigate the risks of mapping mine workings using conventional ground investigation methods. … Read More

How we brought the evocative story of Swansea’s copper heritage to life using 3D Reality Capture

An evocative video combining the oral history of one of Wales’ most important industrial sites with a 3D digital model created from laser scan surveys are preserving its heritage for future generations as well as connecting local communities with their … Read More

Ground Conductivity (EM)

A ground conductivity or electromagnetic (EM) survey involves the generation of an EM field at the surface and subsequent measuring of the response as it propagates through the subsurface. The main components of the instrument are a transmitter coil (to … Read More

Brownfield Site Investigation using Geophysics

Most former industrial sites have a legacy of buried structural hazards and contamination. Geophysical surveys can detect buried targets without the need to excavate. Many industrial contaminants, such as salinisation by acids and hydrocarbon plumes, can leave a significant geophysical … Read More

Electrical Resistivity Tomography (ERT)

The Resistivity technique is useful for characterising the sub-surface materials in terms of their electrical properties. Variations in electrical resistivity (or conductivity) typically correlate with variations in lithology, water saturation, fluid conductivity, porosity and permeability, which may be used to … Read More

Magnetics

The magnetic survey technique is based on mapping localised variations in the Earth’s magnetic field caused by sub-surface magnetic materials, which range from naturally occurring magnetic minerals to man-made ferrous objects. This leads to a wide range of applications, from … Read More

Specialist Seismic Refraction Survey Company

TerraDat is a specialist Seismic refraction survey company with many years of experience applying and researching its use in shallow engineering and geotechnical work. Seismic survey methods provide a useful tool for investigating geological structure and rock properties. The technique … Read More

An interview with TerraDat co-founder Nick Russill

In this interview with Alan Wick, originally broadcast on his radio show, you will hear from TerraDat co-founder Nick Russill about: How to continue to grow your business by innovating and staying agile Why it’s important to sometimes say ‘No’ … Read More

Seismic Reflection

Crosshole Seismics

Seismic methods can provide detailed information about rock properties and geological structure between boreholes. Fewer boreholes are needed to achieve a continuous picture of the subsurface, thereby reducing overall costs and the risk of missing target features. Borehole seismic methods … Read More

River Crossings: Profiling Geology using Geophysics

Many of our clients constructing roads, laying pipelines or investigating historic bridges find profiling the geology beneath rivers tricky using conventional ground investigation methods. Since the path rivers take is often dictated by changes in geology, the problem can be … Read More

Page categories:

Construction & Geotechnical, Ground Hazards, Services

TerraDat uses state-of-the-art geophysical mapping techniques to map the subsurface. The benefit of geophysics is that it is non-invasive and can rapidly map large areas and reduce the chance of missing buried targets. We’ve been offering our services for over 25 years to clients from the engineering, environmental, energy and construction markets. Here are four case study booklets showing how geophysics can be applied to your ground investigations.

Call Us Today: +44 (0)2920 700127 | web@terradat.co.uk

Seismic Reflection