Case Studies
| Shallow Mineworkings
A case study detailing the most applicable methods, limitaions and typical targets Click image to view
|
  |
|
|
|
| Mapping Buried Foundations
A typical case study from many brownfield sites being redeveloped. Illustrates how non-invasive techniques can map buried services, foundations, concrete slabs etc. Click image to view |
 |
|
|
|
| Landfill Geophysics
TerraDat has pioneered many novel applications of geophysical methods on landfills. This case study shows how we can map leachate plumes, find lost boundaries and image saturated cells of waste Click image to view |
 |
|
|
|
| Limestone / Karst Geophysics
Combined geoelectrical and gravity techniques can very effectively image solution and structural features in bedrock Click image to view
|
 |
|
|
|
| Bedrock Profiling / Properties
Case study explaining seismic refraction and its application to bedrcok profiling, rock rippability and the benefit over drilling Click image to view
|
 |
|
|
|
| River Crossings and Inland Waterway Surveys
A Shallow land geophysical techniques have been adapted to survey beneath rivers and harbours to profile bedrock and overburden characteristics Click image to view |
 |
|
|
|
| Magnetic Surveying / Unexploded Ordnance
Several examples and a description of the magnetic technique Click image to view |
 |
|
|
|
| Conductivity (EM) Surveying
Electromagnetics or conductivity surveying to locate services, map geological changes or characterise landfills etc. A rapid, non-invasive reconaissance mapping tool. Click image to view |
 |
|
|
|
| Typical Geophysical Targets
Two cartoons showing common manmade and natural targets for geophysics Click image to view |
 |
|
|
|
| Microgravity
This case study provides an insight into the theory behind gravity surveys which are routinely used by TerraDat to locate voids or other geological targets. Click image to view |
 |
|
|
|
| Ground Probing Radar (GPR)
Applications and examples of GPR being used to map manmade structures and geological targets Click image to view |
 |
|
|
|
| Resistivity Imaging (Tomography)
Recent innovations in resistivity acquisition enable us to acquire over 1km of line in a day giving cross sections of the subsurface ideally targeting infilled channels, top of bedrock, faults etc. Click image to view |
 |
|
|
|
| Seismic Reflection Profiling
TerraDat has an excellent network of seismic specialists and can put together teams to carry out single high resolution profiles through to regional 3-D surveys as well as cross hole seismic tomography. This case study shows some recent results. Click image to view |
 |
|
Soil Vapour Surveys Soil vapour surveys for hydrocarbons, CO2 etc. Click image to view |
 |