Deck 9: Remotely Sensed Images From Above

Question 1

A digital orthophoto quad (DOQ)

A)covers 3.75 minutes of latitude by 3.75 minutes of longitude of distance.
B)covers the size of one-quarter of the distance shown on a DOQQ.
C)covers 15 minutes of latitude by 15 minutes of longitude of distance.
D)covers the size of four times the distance shown on a DOQQ.

Answer 1

A

Question 2

In 1906,aerial photography of "San Francisco in ruins" was taken by

A)a series of balloons.
B)a series of kites.
C)a fleet of gliders.
D)the U-2 spy plane.

Answer 2

B

Question 3

A photo taken from a camera looking straight down at the ground is a

A)vertical photo.
B)oblique photo.
C)scale photo.
D)photogrammetric photo.

Answer 3

A

Question 4

The physical arrangement of items in an aerial image refers to

A)pattern.
B)texture.
C)site.
D)tone.

Question 5

The first aerial photograph was taken in

A)1826,from a kite.
B)1858,from a balloon.
C)1903,from the Wright Brothers glider.
D)1914,from a German plane in WWI.

Question 6

Photogrammetry describes

A)the method of changing an orthophoto to a non-ortho photo.
B)the process of obtaining measurements from an aerial photo.
C)the scale of an aerial photo.
D)the interpretation of items in an aerial photo.

Question 7

The differences of a certain tone throughout an aerial image refers to

A)texture.
B)association.
C)size.
D)pattern.

Question 8

The center of an aerial photo is referred to as its

A)ortho point.
B)nadir point.
C)photogrammetric point.
D)principal point.

Question 9

The U-2 aircraft's remote sensing capabilities were especially proven during which of the following?

A)The San Francisco earthquake
B)World War I
C)World War II
D)The Cuban Missile Crisis

Question 10

In a color infrared photo,

A)red energy is displayed as the color green,green energy is displayed as the color blue,and near-infrared energy is displayed as the color red.
B)red energy is displayed as the color red,green energy is displayed as the color green,blue energy is displayed as the color blue,and near-infrared energy is displayed as the color black.
C)near-infrared energy is displayed in the color red,while the other colors (red,green,and blue)are displayed with shades of grey.
D)only near-infrared energy is displayed,shown in shades of grey.

Question 11

The "leaning" of tall objects away from the center point of an aerial photo is due to

A)orthorectification.
B)relief displacement.
C)the camera's field of view.
D)the plane's flying height.

Question 12

Unmanned aerial vehicles (UAVs)are flown

A)at more than 80,000 feet above the ground.
B)at the edge of the Earth's atmosphere.
C)via remote control from the ground.
D)by a robot system at the controls.

Question 13

What type of aerial photo is taken when the camera is placed at an angle?

A)Photogrammetric photo
B)Rectified photo
C)Oblique photo
D)Nadir photo

Question 14

Explain how the height of a flagpole (falling on level terrain)can be calculated by measuring the length of its shadow in an aerial photo.

Question 15

What is the difference between an orthophoto and a regular aerial photo?