Section 2.2

Question 1

What are some applications of air photo interpretation? (6)

Answer 1

Map making
Urban and rural planning
Environmental impact study
Civil law cases 
Real estates evaluation
Art

Question 2

In 1856 who was the first person to explore aerial photography?

Answer 2

Gaspard Felix Tournachon

Question 3

What is a 16th century example of aerial photography?

Answer 3

Galileo telescope

Question 4

In 1903 _______ carried cameras.

Answer 4

Pigeon

Question 5

True or false:

WW1, WW2 and the Cold War used aerial photographs

Answer 5

True

Question 6

True or false:

While aerial photography is used for looking at forest size it cannot look at forest health.

Answer 6

False

Question 7

Define oblique photography.

Answer 7

Side views of features, hard to take measurements with.

Question 8

Define Vertical photography.

Answer 8

Top down view good for measurements

Question 9

High oblique is ______ effective for looking at quantitative measurements

Answer 9

Less

Question 10

What are three attributes we use to define colour?

Answer 10

Hue
Chroma
Value

Question 11

Define hue.

Answer 11

What colour something is (red, yellow, green, blue) there are an infinite amount hues

Question 12

Define chroma.

Answer 12

It is the saturation of a hue, measures lack of black or white

Question 13

Define value (in terms of colour).

Answer 13

Relative abundance of primary colour

Question 14

What is additive light mixing?

Answer 14

How computers specify light

Question 15

What is subtractive light mixing?

Answer 15

How colour printing is managed

Question 16

Film speed is referring to…

Answer 16

How much light is needed to expose the film.

Question 17

Fast films need ______ light and slow films need _______ light.

Answer 17

Less, more

Question 18

Fast films have _____ crystals, slow films have ______ crystals

Answer 18

Larger, smaller

Question 19

What is the purpose of filters?

Answer 19

They are designed to absorb specific wavelengths and transmit others

Question 20

Define resolution in terms of film.

Answer 20

The ability of a film to capture details

Question 21

Identify the variables:

Rg = (Rs x f)/ H

Answer 21

Rg = ground resolution in line pair per meter
Rs = system resolution in line pairs per millimetre 
H = height of camera above the ground in meters

Question 22

What can we look at using air photo interpretation?

Answer 22

Shows changing cultural features and land use