Site Datum
Definition
A fixed reference point, established by total station or RTK-GPS, to which all survey grid positions are tied. Ensures that anomaly positions are reproducible and can be handed to excavators as actionable coordinates.
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 that indicates the presence of a target analyte when it is absent. In forensic serology this may mean incorrectly...
- 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...
- Ground-Truthing
- The physical investigation (probing, test pitting, or full excavation) of a geophysical anomaly to determine whether it represents a genuine forensic target....
Explained in
- Integrating Multiple Geophysical MethodsA fixed reference point, established by total station or RTK-GPS, to which all survey grid positions are tied. Ensures that anomaly positions are reproducible...