Topic 1.2 Geographic Data

Question 1

NOTE

Data can be gathered by individuals and organizations through field work, satellite imagery, government reports, etc.

Answer 1

Data can be gathered by individuals and organizations through field work, satellite imagery, government reports, etc.

NOTE

Question 2

Geographic Information System (GIS)

Answer 2

a database that holds information about a variety of topics (income level, race, infrastructure, religion, education level, age of population, etc.)

Question 3

GPS/Satellite Navigation

Answer 3

• Owned by U.S. government and operated by U.S. Air Force
• Satellite technology uses latitude and longitude to pinpoint locations on earth.
• 24 satellites orbit the Earth and transmit radio signals
• If signals of 4 satellites hits a receiver (your phone), the receiver can determine its precise location

Question 4

Remote Sensing

Answer 4

scanning the Earth via satellites/aircrafts to get information

Example: navigation, deliveries, climate change, traffic, agriculture