Lesson 4 Flashcards
Chapter 1 (5 cards)
1
Q
spatial data
A
data that can be linked to a specific place on Earth
2
Q
non-spatial data
A
data that cannot be linked to a specific place on Earth
3
Q
global positioning system (GPS)
A
a technology that collects information about Earth through the use of orbiting satellites
4
Q
triangulation
A
a mathematical process for finding the exact location of an unknown point on Earth by measuring the distance to it from other, known points
5
Q
geographic information system (GIS)
A
a technology that combines remote sensing, GPS data, and spatial and non-spatial data to perform powerful analyses of the earth