Today: Projections and Cartographers First 10 Minutes: Turn in your Physical Features of the USA map...

Today:Projections and Cartographers

First 10 Minutes: Turn in your Physical Features of the USA mapReminder! News Quiz Tomorrow.

Geographic definitions:

1. Map-a representation of a part of our planet2. Projections- displaying a round object on a flat

surface. Since the world isn’t flat, maps are hard to make accuratly. They are made by..

3. Cartographers-map makers4. Atlas=book of maps5. Globe -a model of the earth

You can’t completely flatten something without distortion!

Map projections

South America in SIX Different projections

Which is the “real” one? Answer: They all are.

Geographic tools

• 1. Aerial photos• 2. Satellite photos• 3. Information graphics• 4. GIS (Geographic information Systems)• 5. Maps – Physical, road, political, climate, topograhical,

resource, economic,

Famous Geographers

• GerardusMercator

• What seems to be the problem though?

Distortion at the poles

Mercator projection makes things look bigger than they really are

Arno Peters Projection

Supported by the UNESCO and used in British schools

Problems?

Hobo Dyer Projection

Another type:Sinusoidal

Mollweide projectio

Eckhert II Projection

Ecckhart 4 Equal areas?

Goode

Helpix projection

Polyconic

Make an eponymous(named after yourself) projection!

• Everyone in your group try! Don’t be afraid to make a mistake.

• Make a (your last name here)Projection of the round object I put on your table.

• Use grid lines! Remember, a projection is a representation. 3 d to 2 d.

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