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Geophysical survey

Definition

Non-invasive subsurface imaging using physical contrasts such as radar reflection, magnetic variation, or electrical resistance.

Related terms

Remote sensing
Locating features from a distance using aerial imagery, satellite data, or airborne LiDAR, before anyone sets foot on the ground.
Search strategy
A structured plan for covering ground systematically so that the probability of detection is known and the absence of a find means...
Single-context recording
Recording and removing each deposit as its own discrete unit, so the formation sequence of the scene can be reconstructed afterwards.
Stratigraphy
The layered record of deposits. In a grave, the cut, the fill, and the body each form contexts that must be read...
Total station
An electronic instrument that simultaneously measures horizontal and vertical angles and distance to a reflective prism, computing three-dimensional coordinates directly. Typical angular...

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