2. Map Projections

3.  A Globe is the only accurate method to represent the earth.

4. Map Projections  A Globe is the only accurate method to represent the earth.  Maps are a representation of the earth’s features on a flat surface.

5. Map Projections  A Globe is the only accurate method to represent the earth.  Maps are a representation of the earth’s features on a flat surface.  Maps were created because they are easy to carry and fold up.

6. Map Projections  A Projection is when features of the globe are transferred to a flat surface.

7. Map Projections Each Projection will have a distortion: - Some areas enlarged - Some areas shrink - Directions become inaccurate

8. Projection Types 1. Mercator Projection - Navigation Charts - True Compass Bearing - Distorts Size of Land Masses >Equator small >Poles large

9. Projection Types

10. 2. Peter’s Projection - Equal Area - Distorts Direction

11. Projection Types

12. 3. Winkel Tripel Projection -Provides best balance of size, shape, distance and direction

13. Projection Types

14. Map Types 1. General Purpose - Many types of info on one map - General understanding of landscape and location

15. Map Types 2. Thematic Maps - Shows information on one topic - Easy to understand

16. Map Types 3. Topographic Maps - Use Symbols to show a variety of features