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II. Geographer’s Tools
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A. Maps and Globes Cartographer – Mapmaker
Able to make very accurate maps of the earth’s surface Global Positioning System – Use satellites to pinpoint one’s exact location
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B. Differences of Maps and Globes
Globe – Most accurate model of the earth shown in three dimensions Globe’s roundness makes it more accurate than a map Maps – Show the world in two dimensions and are less accurate than globes
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C. Three Types of Maps General Reference – Show natural and human-made features to locate a place Thematic Maps – Focus on one specific theme Examples: Population, type of climate Nautical Map – A chart
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General Reference Map
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Thematic Map
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Thematic Map
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D. Map Projections Map Projections – Earth’s curved surface shown on a flat surface Dozens of projections All projections distort the earth in some ways Make some places look bigger or smaller than they really are
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E. Types of Projections 1) Mercator Projection – Type of projection used on maps for over 400 years Makes the land at the top and bottom of the maps appear larger than they really are 2) Robinson Projection – Projection used today that gives a more accurate picture of the world
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Mercator Projection
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Robinson Projection
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