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# Ch 1, key issue 1

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### Transcript

• 1. Basic Concepts Chapter 1
• 2. How Do Geographers Describe Where Things Are? Key Issue #1:
• 3. Maps as Tools
• A. Maps are the major tool geographers use to identify regions and analyze their content.
• B. Maps make the large world easy to observe.
• C. All maps have strengths, weaknesses, and limitations
• D. All maps distort or misrepresent the real world.
• 4. Maps as tools cont.
• Types of Distortion (depends on Projection)
• Shape
• Distance
• Relative size
• Direction
• 5.
• Maps and their functions
• Map Scale
• Map Projections
• The Grid system
• Symbols on Maps
• 6. What are Maps and what are their functions
• What can maps be used for?
• In what ways do maps distort?...Why?
• How do maps show bias?
• 7. Two Types of Maps:
• Reference Maps
• Show locations of places and geographic features
• Absolute locations
• What are reference maps used for?
• Thematic Maps
• Tell a story about the degree of an attribute, the pattern of its distribution, or its movement.
• Relative locations
• What are thematic maps used for?
• 8. Reference Map
• 9. Thematic Map What story about median income in the Washington, DC area is this map telling?
• 10. Maps and their functions
• Cartography = The art of map making
• Reference Map = that used for navigating… ie. Road Map
• Thematic Map: One used to illustrate a particular them
• Mental Maps: Those that exist in one’s mind (Cognitive maps)
• Topographic Maps… use lines to show contour.
• 11. Map Scale
• Is the ratio between actual distance on the ground and the length given on the map
• Which scale would show a smaller portion of the earth, 1/1,000,000… or 1/1,000?
• Larger scale = more zoomed in
• Why are different scales needed in mapping the world?
• 12. The Grid System
• What function does the Grid System Serve?
• What are the key aspects of the Grid system?
• 13. Grid stuff to know…
• 14. Map Projections
• Why are there different map projections?
• Which ones do I need to know?
• Azimuthal
• Peters
• Fuller / Dymaxion
• Robinson
• Mercator
• What are the strengths and weaknesses?
• For what are they most commonly used?
• 15. 3 Categories of Projections
• Planar (azimuthal)
• Cylindrical
• Conic
• (look in page 6 of the World Geography and Culture book)
• 16. AZIMUTHAL
• 17. Peters
• 18. FULLER
• 19. ROBINSON
• 20. MERCATOR
• 21. Map Symbols
• Dots
• Isolines
• Symbols
• 22.
• Mental Maps:
• maps we carry in our minds of places we have been and places we have heard of.
• can see: terra incognita, landmarks, paths,
• and accessibility
• Activity Spaces:
• the places we travel to routinely in our rounds of daily activity.
• How are activity spaces and mental maps related?
• 23. Aspects of a Mental Map
• Nodes
• Edges
• Paths
• Landmarks
• 24. Discussion Questions
• List as many type of maps and purposes for maps as you can.