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 peopleDot 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 BCNote 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?