Chapter 2 - Portraying Earth Flashcards
___ is the type of remote sensing imagery best suited to use at night.
Thermal infrared
The first aerial photographs were taken in…
The middle 1800s
Of the following which is NOT considered a map essential?
Color
Which of the following is essential for GPS to function?
Highly accurate clocks
The relationship between the map distance and the corresponding distance on the ground is known as the…
Scale
The scale of one inch to one mile is ___ in a representative fraction.
1:63,360
Which of the below, because of the wavelength it uses, tends to have the low spatial resolution of Earth surface features?
Microwave remote sensing
The “false color” imagery of some aerial photographs is also termed…
Color IR
Which mapmaking method would be used to minimize distortion of continents on a world map?
An interrupted projection
The characteristic of projections which portray accurate sizes but distort the shapes of land masses is called…
Equivalence
Aside from normal photographic film, ___ film has proven very valuable for interpretation of earth resources from airborne cameras.
Color infrared
Central meridians are essential features in an ___ projection.
Interrupted
Which of the following is considered a “perfect” map projection in terms of the amount of distortion associated with it?
None of the above
All map projections have this in common.
Some distortion
A major disadvantage of oblique aerial photographs as compared to vertical air photographs is that…
Accurate measurement is more difficult
___ is the science of obtaining reliable measurements from photographs.
Photogrammetry
One difference between any two different map projections must always be…
How the geographic grid is arranged
Most of the maps are drawn on ___ projections for an optimal portrayal of worldwide dimensions.
Equivalent
Conformal maps greatly distort ___ of continents in higher latitudes.
Shapes
By far, the greatest use of thermal IR scanning systems has been…
Onboard meteorological satellites
On which type of aerial imagery would a football field of artificial grass be discernible from natural grass?
Color infrared photography
Microwave imagery is ideally suited for sensing…
Moisture
On large scale maps, equivalence and conformity can be…
Simultaneously approximates for small areas
The first airborne platform for aerial photography was a…
Balloon