GIS

Question 1

GIS: Geographic Information Systems

Answer 1

a computer system that analyzes and displays geographically referenced information in a particular area

Question 2

Examples of GIS and Remote Sensing?

Answer 2

GIS: Zillow, Megan’s Law
Remote Sensing: Google Earth Engine, Land Sat

Question 3

Vector Data: Point or Node, Line or Arc, Area or Polygons

Answer 3

-Vector data consists of individual
points, which are stored as pairs of
coordinates (x, y)
-Used in GIS data
Point or Node represent a single point on a map
Line or Arc represents things like streets on a map (or rivers)
Area or Polygons represents a community

Question 4

Power of the GIS is overlap and spatial analysis what can it be used for?

Answer 4

1)Urban planning: where the gas lines, water lines, etc are
2)Business: planning where to place businesses
3)Transportation
4)Health: see if pesticide use is the cause of ailments by mapping fields, crops, and pesticide use
5)Natural Resource Management: monitoring land cover change, light pollution effect on plants and animals, projected global warming, phenology GIS DATABASE

Question 5

Remote Sensing

Answer 5

Study of the Earth without direct contact

Question 6

Raster Data

Answer 6

-remote sensing is raster data
Pixel within Grid Cell (like a camera)
Each Pixel recorded in the Electromagnetic Spectrum

Question 7

Wavelength

Answer 7

Visible, Infrared, Thermal