Chapter 13 Terms

Question 1

Field Data

Answer 1

1. Observations collected at near ground level.

Question 2

Nominal Data

Answer 2

1. qualitative designations given to a region on an image (forest, water, etc).

Question 3

Biophysical Data

Answer 3

1. measurements of physical characteristics of field data (texture of vegetation, geology, etc)

Question 4

Field Radiometry

Answer 4

1. Brightness detected by sensor from aerial to ground

Question 5

Relative Reflection Ratio

Answer 5

1. Measured radiation sample divided by measured brightness.

Question 6

Psuedoranging

Answer 6

1. use of time differences to estimate GPS distances

Question 7

Types of Sampling

Answer 7

1. Random sampling
2. Stratified sampling
3. Systematic sampling

Question 8

Stratified sampling

Answer 8

1. assess observations to sub-regions to image to ensure rational distribution.

Question 9

Systematic Sampling

Answer 9

positions observations at set/equal intervals.