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GLOSSARY / Survey & data

Magnetometry

Measurement of magnetic field variations. In a suitable survey context, these variations may help identify responses associated with certain buried objects or features.

THE RRS GLOSSARY

Why it matters to a project

Suitability depends on the site and the investigation objective. Background interference and the characteristics of the objects of interest affect the value of the results.

PROJECT EXAMPLE

A survey proposal explains how magnetic interference could limit interpretation in a developed area.

A useful distinction

Magnetometry does not establish that every detected response is UXO, nor that every hazardous item will be detected.

Questions to ask when it appears in a scope

  • What area, activity and decision does this term refer to?
  • What evidence or output will the project team receive?
  • What limitations need to be carried into the next stage?

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