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Unit 1

1.2 Geographic Data

1 min readapril 30, 2020

Sana Fatah

I bet you have a stack of roadmaps in your car that you use when you go on a road trip. Just kidding. You open up Google Maps on your phone . What are the geospatial technologies we have access to? 
  • Global Positioning System (GPS): used for navigation, provides your precise location in relation to surrounding areas and your destination
  • Remote sensing: satellites orbit Earth and send the data back to Earth
  • Geographic Information System (GIS): a computer system that stores information about locations in “layers”

A layer represents a different piece of human or environmental information (such as cities, highways, landforms, fast food restaurants)

🎥 Watch: AP HUG - Maps, Maps, Maps


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Unit 2: Population & Migration
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