Remote Sensing

GEOG 4770: Remote Sensing of the Environment

Exam 2

Due April 9

150 points

Instructions: You must complete the exam on your own. You may use any reference materials, including course text, your notes, lecture materials on Blackboard, etc. Answer the questions in your own words.

1. What is the difference between Manual Interpretation and Digital Classification of remotely sensed imagery? Give an example of each.

2. List and briefly explain the 7 general steps involved in the classification of remotely sensed images.

3. Discuss some of the main issues you will consider in developing a Classification Scheme (legend) for a remotely sensed image classification project.

4. What are the advantages and disadvantages of unsupervised classification?

5. What are the similarities and differences between Radar and Lidar?

6. Explain some of the advantages and disadvantages of:

a. Radar

b. Lidar

7. Explain some of the applications of Thermal Remote Sensing.

8. Explain (give examples where appropriate) the following types of resolution as it relates to remote sensing. Be sure to include why they are an important consideration in a remote sensing project.

a. Spatial

b. Spectral

c. Radiometric

d. Temporal