RS MIDTERM LESSON 1-3

QUIZ

FREQUENCY

is the rate at which a wave passes a fixed point

0.4µm to 0.7µm.

The spectral sensitivity of the human eye extends from _____

IRRADIANCE

is the radiant power received per unit are on a surface

VISIBLE LIGHT

_____ is the only radiation that can be detected by human eye

HYPOTHETICAL RADIATOR

Blackbody is a _______ that completely absorbs and re-emits all radiation incident to its surface used to model and approximate the EMR emitted by an object

STEFAN-BOLTZMANN LAW

_________ states that the total energy radiated by a blackbody per volume of time is proportional to the fourth power of the temperature

SCATTERING

__________ is the dispersion of radiation in all directions by particles suspended in the atmosphere or by large molecules of atmospheric gases.

4.2µm – 5.0µm

The spectral region for atmospheric window 5 is ______

RED

_______ is the longest visible wavelength

SPECULAR SURFACES

ROUGH SURFACES

LAMBERTIAN SURFACES

COMPOSITE SURFACES

Enumerates the 4 types of surfaces:

AMERICAN SOCIETY OF PHOTOGRAMMETRY AND REMOTE SENSING

ASPRS stands for

ALBEDO

________ is a measure of reflection efficiency of an object

8 MINUTES

Solar radiation travels _______ to reach earth

RADIOMETER

_______ is an instrument used to measure reflected and/or emitted radiation emanating from the surface features

85%

Multileaf layers can cause an even higher reflectance up to_____ in the NIR portion

0.620µm – 0.7µm

Red visible wavelength ranges from ________

0.592µm – 0.620µm

Orange visible wavelength ranges from _________

RADIANCE

_______ is the radiant power per unit area per unit solid angle, describing how bright something looks in a specific direction.

0.578µm – 0.592µm

Yellow visible wavelength ranges from ________

0.500µm – 0.578µm

Green visible wavelength ranges from _________

RADIANT EMITTANCE

__________ is the radiant power emitted per unit area from a surface

0.446µm – 0.500µm

Blue visible wavelengths ranges from ________

TURBIDITY

SOLAR ELEVATION

SURFACE ROUGHNESS

Give 3 factors affecting water reflectance:

fine WAVELENGTH INTERVALS

Spectral resolution describes the ability of a sensor to define

PASSIVE

ACTIVE

2 types of remote sensing:

0.38 – 0.45 µm

Violet wavelength ranges from

SPECTRAL SIGNITURE CURVES

_____ is a 2d line plot showing radiation intensity for various features as a function of wavelength

KIRCHOFF’s LAW

_____ states that the ratio of emitted radiation to absorbed radiation flux is the same for all blackbodies at the same temperature

ELECTROMAGNETIC SPECTRUM

__________ is the continuum of energy that ranges from m to nm in wavelength

INFRARED

______ is more than 100 times as wide as the visible wavelength

INCREASES

DECREASES

As the moisture content ____, reflectance ______ in soil

0.9

Transmittance in atmospheric window for band 2.0 to 2.5µm is __

RAYLEIGH SCATTERING

MIE SCATTERING

NON-SELECTIVE SCATTERING

3 types of scattering

ELECTROMAGNETIC WAVES

________ are measured from wave crest to wave crest or conversely from trough to trough.

1.5µm – 1.8µm

The spectral region for atmospheric window 2 is _____

REDLANDS, CALIFORNIA

ESRI company headquartered at ______

EMISSIVITY

_____ If the relative power of a surface to emit heat by radiation

IRON OXIDE

______ Is the chemical compound formed by the reaction of iron with oxygen, commonly found as rust and contributing to the red and yellow colors in soils and rocks