01IntroMapsReview

01IntroMapsReview - Dinosaur Tracks - Dinosaur Valley State...

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Dinosaur Tracks - Dinosaur Valley State Park, Texas
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Turnabout Map South Americans rarely question their perspective of the world, yet it shapes our thinking in many ways – how we relate to our southern neighbors for example. It appears in our everyday language. Everything north is “up” or “on top”, south is “down there” or “below” us. Just changing the standard of the way we orient our maps effects the way we understand.
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It is not possible to represent on a flat map the spatial relationships of: Angle Distance Direction Area Scale all on the same projection. A globe is required. Map Projection
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Mercator Projection – (Cylindrical) First Published in 1569
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Latitude lines are shorter the nearer they are to the poles (left). Mercator’s map necessitated latitude lines of equal length (right), thus stretching out what are in fact single points (the poles) to a line of the same length as the equator. This is why landmasses in the north and south are enlarged on Mercator’s map.
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This note was uploaded on 01/19/2012 for the course LA 1203 taught by Professor Fryling during the Fall '08 term at LSU.

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01IntroMapsReview - Dinosaur Tracks - Dinosaur Valley State...

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