Maps Why Maps Matter Maps A two dimensional graphic representation of selected parts of the earths surface. Problem- ALL ARE DISTORTED!!! Size Shape Distance Globes are the best representation of the earths surface Map Projections Map Projection- round earth on a flat surface
Globe best way to show the earth Planar (Azimuthal) Robinson (aka Compromise) shape is distorted in polar areas Mercator. distorts size and distance (see Africa
Mercatordistorts size and distance (see Africa compared to North America) Types of Maps Political. Shows boundaries, states,. human made features, like
Political Shows boundaries, states, human made features, like cities and roads. More political maps Cartograms Information is shown in size and distance
Physical shows bodies of water, rivers, mountains, elevation
More examples: Qualitative Flow line Special Purpose Maps Give a single idea or a particular
kind of information More examples: Where Google Street View is Available McDonalds Across the World Worldwide Driving Orientation by Country Map of Where 29,000 Rubber Duckies Made Landfall After
Falling off a Cargo Ship in the Middle of the Pacific Ocean into the Mississippi River
The 7000 Rivers that Feed into the Mississippi River Latitude and Longitude
Earths Population by Latitude and Longitude