Geographical Informatiin Systems

Question 0

Spatial Resolution

Answer 0

Detail of location that map shows

Question 1

GIS

Geographical Information Systems

Answer 1

Computer based geographic tool. Many uses.

Collects data from satellite, remote sensing, GPS, orthophoto maps, scanned maps, research.

Question 2

Locational data

Answer 2

Tells where data is using coordinates

Question 3

Attributes

Answer 3

Tells about qualities and characteristics of data

Question 4

Passive Remote Sensing

Answer 4

Collect data that constantly radiates. Orbits Earth. Returns data every few days.

Question 5

Active Remote Sensing

Answer 5

Sends own radiation to Earth. Radiation sent back. Data obtained any time. Data transmitted to stations to produce visuals

Question 6

Spatial Object

Answer 6

Any feature recorded as point/line/area

Question 7

Points

Answer 7

Geographical area too small to be line/area

Question 8

Line

Answer 8

Series of coordinates representing one-dimensional feature

Question 9

Area

Answer 9

Feature with set lines as boundary. Called a polygon

Question 10

Vector

Answer 10

Coordinate based. Uses points, lines, areas. Can be straight/curved

Question 11

Raster

Answer 11

Cell based. Graphics shown as rows and columns of pixels. Each cell contains value and location coordinates.