Chapter 13 Terms Flashcards
1
Q
Field Data
A
- Observations collected at near ground level.
2
Q
Nominal Data
A
- qualitative designations given to a region on an image (forest, water, etc).
3
Q
Biophysical Data
A
- measurements of physical characteristics of field data (texture of vegetation, geology, etc)
4
Q
Field Radiometry
A
- Brightness detected by sensor from aerial to ground
5
Q
Relative Reflection Ratio
A
- Measured radiation sample divided by measured brightness.
6
Q
Psuedoranging
A
- use of time differences to estimate GPS distances
7
Q
Types of Sampling
A
- Random sampling
- Stratified sampling
- Systematic sampling
8
Q
Stratified sampling
A
- assess observations to sub-regions to image to ensure rational distribution.
9
Q
Systematic Sampling
A
positions observations at set/equal intervals.