1. MAP PROJECTIONS

2. Map projections distort in 4 main areas
The World is round
Projecting the Earth onto a flat surface will cause distortion of some type
Map projections distort in 4 main areas
Distance
Direction
Shape
Area

4. Peeling the Earth

5. MERCATOR PROJECTION Developed in 1500’s Cylindrical Projection
Preserves direction
Distorts the area of landmasses relative to each other
Land becomes increasingly distorted (larger) at higher altitudes (near the poles)
Greenland, Alaska, Antarctica, etc look huge!
Much Criticism lately
Used for marine navigation

6. MERCATOR PROJECTION

7. ROBINSON PROJECTION Developed in 1963 Good overall balance
Adopted by National Geographic as official map

8. ROBINSON PROJECTION

9. GOODE’S INTERRUPTED
Land masses are true size in relation to each other

10. 3. Peters Projection-controversial map because it distorts the familiar shapes of the continents and other large landmasses. It accurately compares landmasses in terms of area.

11. Different Maps
Maps can show many things, including cultural bias

12. CARTOGRAM

14. Dot Maps
Each dot represents a certain amount of something

15. deblij_ch01_fig09 Reference Maps give absolute location of places
deblij_ch01_fig09.jpg
deblij_ch01_fig09

16. Thematic maps tell stories or give information

17. Pacific centered map

18. Australian Map

20. Pacific Centered Map

21. deblij_ch01_fig10
deblij_ch01_fig10.jpg