[[APHG Unit 1

• Information linked to specific places
• Includes locations, human activities, and traits

Obtaining Data

• Fieldwork: observing and recording information on location (e.g., census, interviews)

Technologies

• GPS (Global Positioning System):
• Locates precise positions using satellites
• Uses: locating borders, navigation, mapping points/lines
• ==Remote Sensing:==
• Collects digital images of Earth’s surface from aircraft/satellites
• Uses: land cover/use analysis, environmental monitoring
• GIS (Geographic Information Systems):
• Stores, analyzes, and displays data from digital maps
• Uses: crime analysis, pollution effects, urban planning

Tokyo Subway Map

• Highly useful but inaccurate
• Demonstrates the importance of relative location
• Passengers don’t need to know actual distances or track layouts and the squiggles