TYPES OF MAPS AND PROJECTIONS
TYPES OF MAPS Projections Political Physical Thematic Chloropleth map, cartograms, flow line, isoline, dot, GIS, GPS Why are we changing maps?
Chloropleth Maps
Spending per capita on secondary education Cartograms – statistical data presented on a distribution map
World population, 1500 World Population, 2002
Wealth, 1960 Projected wealth, 2015 GDP Per Capita, 2000
Infants who die between 1 – 4.
Dot maps
Dot map
Each dot = 50,000 people Dot map
Isoline maps
Flow line maps
World map of Erastosthones What is peculiar? Note grid lines. Oriented to the East. Why? The sun rises in the East.
World Map of Eratosthenes 200 BC Note grid lines. First meridian at Alexandria Caspian Sea connected to a world ocean. Based on info gathered by Alexander the Great Circumference 25,000 miles
Ptolmey’s World Map Circumference of the Earth, 14,000 miles
GIS -- Global Information Systems - “layered” maps Using “remote sensing” satellite photos. demonstration
What is wrong with this map?
Mercator Projection
Robinson Projection
How to lie with maps. The size of maps can be deceptive.
Name the major country that is not shown on this Arab map printed recently. Why? Arab countries do not recognize Israel’s right to exist.
What is wrong with this map?
Which map is correct?