Ground-truthing
Definition
The physical investigation (probing, test pitting, or full excavation) of a geophysical anomaly to determine whether it represents a genuine forensic target. Results feed back into the confidence model for the remaining unexcavated anomalies.
Related terms
- Confidence ranking
- A classification scheme that assigns each detected anomaly a confidence level based on how many independent methods detected it and how well...
- Decision framework
- A structured protocol for selecting geophysical methods based on documented site characteristics (soil type, target depth, cultural noise) before fieldwork begins, with...
- False positive
- A test result indicating diatoms consistent with ante-mortem aspiration in an organ sample when the diatoms actually arrived by contamination, post-mortem diffusion,...
- GIS co-registration
- Assigning consistent spatial coordinates to all survey datasets so that anomalies from different instruments can be overlaid and compared at matching ground...
- Site datum
- A fixed reference point, established by total station or RTK-GPS, to which all survey grid positions are tied. Ensures that anomaly positions...
Explained in
- Integrating Multiple Geophysical MethodsThe physical investigation (probing, test pitting, or full excavation) of a geophysical anomaly to determine whether it represents a genuine forensic target. R...