GEO 221 Exam 2
Terms in this set (76)
vehicle navigation system
a device used to plot the user's position on a map, using GPS technology to obtain the location
a component of Google Maps that allows the viewer to see 360 degree imagery around an area on a road
a series of junctions for modeling concepts such as streets
a term used for the nodes (or places where edges come together) in a network
a term used for the links of a network
a single edge of a network that corresponds to one portion of a street (for instance, the edge between two junctions).
the linkages between edges and junctions of a network
the process of using the text of an address to plot a point of a location on a map
a file produced by the US census bureau that contains, among other items, the line segments that correspod with roads all over the US.
breaking an address up into its component parts
setting up the components of an address in a regular format
a method used in geocoding to place an address location among range of addresses along a segment
the route that corresponds to the lowest cumulative transit cost between stops in a network
transit cost or impedance
a value that represents how many units of time or distance are used in moving along a network edge
the process of collecting information related to the EM energy reflected or emitted by a target not on the ground, using a device a considerable distance away from the target on board an aircraft or spacecraft.
a long running and ongoing US remote sensing project that launched its first satellite in 1972
a satellite launched in 1999 which features sensors with multispectral spatial resolution of 3.2 meters and panchromatic resolution of .8 meters.
the distance between the crests of two waves
the light energy wavelengths and the properties associated with them.
a unit of measurement equal to one millionth of a meter- um
a unit of measurement equal to one billionth of a meter - nm
visible light spectrum
the portion of the EM spectrum with wavelengths between .4 and .7 micrometers
ultraviolet- the portion of the EM with wavelengths between .01 and .4 micrometers
the portion of the EM with wavelengths between .7 and 100 micrometers
the range of wavelengths between .4 and .5 micrometers. (first)
the range of wavelengths between .5 and .6 micrometers (second)
wavelengths between .6 and .7 micrometers (third)
those wavelengths of EM energy in which most of the energy passes through earth's atmosphere.
when light passes through a target
when light is trapped and held by a target
the total amount of energy (per wavelength) that interacts with an object.
the percentage of the total incident energy that was reflected from that surface.
a unique identifier for a particular item, generated by charting the percentage of reflected energy per wavelength against a value for that wavelength
a method of measuring the health of vegetation using near-infared and red energy measurements
the energy measured at a single pixel according to a pre-determined scale. also referred to as digital numbers (DN).
a digital image that carried a range of brightness values from 0-255
black and white imagery formed by viewing the entire visible portion of the EM spectrum
remotely sensed imagery created from the bands collected by a sensor capable of sensing several bands of energy at once.
remotely sensed imagery created from the bands collected by a sensor capable of sensing hundreds of bands of energy at once
equipment used to display a color pixel on a screen through the use of red, green, and blue
an image formed by placing a band of imagery into each of the three color guns (RGB) to view an image in color rather than gray scale
true color composite
an image arranged by placing the red band in the red color gun, green in green, and blue in blue
false color composite
an image arranged when the distribution of bands differs from true color
standard false color composite
infrared in red,
red in green
green in blue
near infrared- the portion of the EM with wavelengths between .7 and 1.3 micrometers
middle infrared- the portion of the EM between 1.3 and 3.0
thermal infrared- Em between 3.0 and 14.0
US govt satellite remote sensing program, which utilized file-based camera equipment mounted in a satellite in Earch's orbit; 1960-72
an orbit in which an object follow precisely the direction and speed of earth's rotation and is therefore always directly above the same point on earth's surface.
an orbital path close to the north and south poles that carries an object around earth at an unvarying elevation
an orbital path set up so that the satellite crosses the same areas at the same local time
the width of the ground area of the satellite is imaging as it passes over earth's surface.
a scanning method using a rotating mirror to collect data by moving the device back and forth across the width of the satellite's swath
a scanning method using a linear array to collect data directly on the satellite's path.
the size of the area on the ground being represented by one's pixel's worth of energy measurement.
the length of time a sensor takes to come back and image the same location on the ground
the bands and wavelengths measured by the sensor
the degree of a sensor's ability to determine fine differences in a band of energy measurements
A Jack's Mannequin song (look it up)
a US remote sensing project that launched its first satellite in 1972.
able to scan multiple spectrums
maps particular themes
the technique of fusing a higher-resolution panchromatic band with slower resolution multispectral bands to improve the clarity and detail seen in the image
OLI- operational land manager
the multispectral sensor onboard landsat 8
TIRS- thermal IR sensor
the instrument that squires thermal imagery onboard landsat 8
a single image obtained by a landsat satellite sensor
worldwide reference system
the global system of paths and rows that is used to identify what area on earth's surface is present in which Landsat scene
earth observing system mission
EOS- terra, aqua, aura
the flagship satellite of the EOS program that references land
the key EOS satellite who's mission is to monitor earth's water cycle
the moderate resolution imaging spectroradiometer interment on board Terra and Aqua
the high-res imagery satellite program obtained by austrium services
satellite launched in 1999 which features sensors with a multispectral spatial resolution of 3.2 meters and a panchromatic resolution of .8 meters
a satellite launched in 2001 by DigitalGlobe whose sensors have a 2.4 meter multispectral resolution and a .61 meter panchromatic resolution.
a series DigitalGlobe satellites
someone who makes satellites apparently
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