Chapter 22 - Aerial Photographs

Question 1

What are the types of aerial photographs?

Answer 1

• Vertical: Taken directly overhead. Divided into 9 boxes with 3 layers; top, centre, bottom e.g. Top Left, Bottom Right
• Oblique: Taken at an angle. Divided into 9 boxes with 3 layers; background, middle ground, foreground e.g. Left Background, Right Foreground.

Question 2

Explain how you would compare maps using scale.

Answer 2

Maps: Drawn to scale; distances can be measured
Photos: Different scales in oblique photos - can’t work out distance; vertical photo has one scale

Question 3

Explain how you would compare maps using realism.

Answer 3

Maps: Features represented by symbols
Photos: Features can be seen clearly e.g. Buildings

Question 4

Explain how you would compare maps using clarity.

Answer 4

Maps: All features clearly seen everywhere; maps usually show larger areas them photos
Photos: Background far away in oblique photos - can see in foreground; usually show one section of a map

Question 5

Explain how you would compare maps using details.

Answer 5

Maps: Maps show some details not seen in photos e.g. Place Names
Photos: Photos show details not seen on maps e.g. Land Use