1. The GIS "Layer Cake"
GIS layers data to solve problems. Task: Find a safe site for a new school (Flat land, Near road, NOT in flood zone).
Toggle Layers
2. Which Tech Do I Use?
Match the geographic task to the correct technology.
Current Task
"Monitoring the loss of Amazon rainforest over 20 years."
3. Types of Data
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Quantitative Data
Numbers & Hard Facts
- Census Data: "The population of Chicago is 2.7 million."
- Statistics: Income, Age, Life Expectancy.
- Used for: Determining representation, funding, and broad patterns.
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Qualitative Data
Opinions & Observations
- Field Observations: "The neighborhood feels safe and has many parks."
- Interviews: Asking locals how they feel about a new law.
- Landscape Analysis: Taking photos of architecture.