Map Projections and Types of Maps - mrtredinnick.comMap Projections and Types of Maps . Map...

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Map Projections and Types of Maps

Transcript of Map Projections and Types of Maps - mrtredinnick.comMap Projections and Types of Maps . Map...

Page 1: Map Projections and Types of Maps - mrtredinnick.comMap Projections and Types of Maps . Map Projections •Cartographers have to deal with the problem of making maps of a spherical

Map Projections and Types of Maps

Page 2: Map Projections and Types of Maps - mrtredinnick.comMap Projections and Types of Maps . Map Projections •Cartographers have to deal with the problem of making maps of a spherical

Map Projections

• Cartographers have to deal with the problem of making maps of a spherical earth onto a flat surface

– Leads to distortions

• Shape can be distorted

• Distance between two points can increase or decrease

• Relative size may be altered, areas can appear much larger than they really are

• Direction can be distorted

Page 3: Map Projections and Types of Maps - mrtredinnick.comMap Projections and Types of Maps . Map Projections •Cartographers have to deal with the problem of making maps of a spherical

Robinson Projection

Page 4: Map Projections and Types of Maps - mrtredinnick.comMap Projections and Types of Maps . Map Projections •Cartographers have to deal with the problem of making maps of a spherical

Robinson Projection

• More accurately shows the area near the poles

• Used to show proportions of land to water

• Distorts cardinal directions and distance

Page 5: Map Projections and Types of Maps - mrtredinnick.comMap Projections and Types of Maps . Map Projections •Cartographers have to deal with the problem of making maps of a spherical

Mercator Projection

• Used primarily for navigation since it is easiest to plot direction

• Increased distortion the further away from the equator

• Makes the North look much larger

Page 6: Map Projections and Types of Maps - mrtredinnick.comMap Projections and Types of Maps . Map Projections •Cartographers have to deal with the problem of making maps of a spherical

Gall-Peters Projection

Page 7: Map Projections and Types of Maps - mrtredinnick.comMap Projections and Types of Maps . Map Projections •Cartographers have to deal with the problem of making maps of a spherical

Gall-Peters Projection

• Focuses more on land area accuracy

• Released in 1974, based off a 1800 design

• More accurately shows southern hemisphere as larger than Northern Hemisphere

• Areas near the poles are stretched horizontally

Page 8: Map Projections and Types of Maps - mrtredinnick.comMap Projections and Types of Maps . Map Projections •Cartographers have to deal with the problem of making maps of a spherical

Fuller Projection

Page 9: Map Projections and Types of Maps - mrtredinnick.comMap Projections and Types of Maps . Map Projections •Cartographers have to deal with the problem of making maps of a spherical

Sinusoidal projection

Page 10: Map Projections and Types of Maps - mrtredinnick.comMap Projections and Types of Maps . Map Projections •Cartographers have to deal with the problem of making maps of a spherical

Types of Maps - Isoline

Page 11: Map Projections and Types of Maps - mrtredinnick.comMap Projections and Types of Maps . Map Projections •Cartographers have to deal with the problem of making maps of a spherical

Types of Maps - Thematic

Page 12: Map Projections and Types of Maps - mrtredinnick.comMap Projections and Types of Maps . Map Projections •Cartographers have to deal with the problem of making maps of a spherical

Types of Maps - Thematic

Page 13: Map Projections and Types of Maps - mrtredinnick.comMap Projections and Types of Maps . Map Projections •Cartographers have to deal with the problem of making maps of a spherical

Types of Maps - Dot

Page 14: Map Projections and Types of Maps - mrtredinnick.comMap Projections and Types of Maps . Map Projections •Cartographers have to deal with the problem of making maps of a spherical

Types of Maps - Choropleth

Page 15: Map Projections and Types of Maps - mrtredinnick.comMap Projections and Types of Maps . Map Projections •Cartographers have to deal with the problem of making maps of a spherical

Types of Maps – Located Charts


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