Practice question · Put in order
Order a modern non-destructive investigation from first step to last.
- Follow up promising anomalies with GPR for depth
- Study existing aerial photographs and LiDAR coverage
- Place one small trench to test the interpretation
- Walk the field to collect surface finds
- Run a magnetometer survey for a fast, wide plan
Hints
- Wide and cheap comes before narrow and expensive.
- Digging is the last resort, aimed at a specific question.
Show the answer
- Study existing aerial photographs and LiDAR coverage
- Walk the field to collect surface finds
- Run a magnetometer survey for a fast, wide plan
- Follow up promising anomalies with GPR for depth
- Place one small trench to test the interpretation
Why
Cheap and wide first, expensive and narrow later, trowel last. By the time a trench opens, it is aimed at a question, not a hope.
Practise Remote Sensing and Geophysics
The app has 5 more questions on this lesson, and keeps your place in the course. History I is free to start.
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