Week 11: Photo Interpretation

Question 1

What are two types of Aerial Photography?

Answer 1

Photogammetry - precise locations and heights

Air photo interpretation - identification of features

Question 2

What are aerial photos used for?

Answer 2

Applications such as viewing an area over time and noting changes in land use and potential hazards

Question 3

What is a large scale photo?

Answer 3

One that covers a small area and means that ground features appear large and more detailed

Question 4

What is a small scale photo?

Answer 4

One that covers a large area and means that ground features appear smaller and less detailed

Question 5

What is an Orthophoto?

Answer 5

A geometrically corrected aerial photograph that displays ground features in their true ground position with a constant scale throughout the image

Question 6

What are some features to look for on aerial photographs from which information can be interpreted?

Answer 6

• tone/colour
• size
• shape
• texture
• pattern
• shadow

Question 7

What are satellite images?

Answer 7

Examination of very large areas - typically ont as detailed as aerial photos