Chapter 2-Nature of Maps

Chapter 2-Nature of Maps - Chapter 2 Nature of Maps Why is...

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Unformatted text preview: Chapter 2 Nature of Maps Why is a globe the only accurate way to represent the earth?-Because it is three dimensional. A map depicts the Earth as if it were flat and the so the arrangement, size/shape of the oceans, etc. on a flat plane are somewhat inaccurate. Any representation of a spherical surface on a flat plane will cause some distortion. On most maps this occurs near the poles. Map Scale- These "representative fraction" scales mean that 1 unit of measurement on the map-1 inch or 1 centimeter-represents 10,000 of the same units on the ground. If the scale were 1:63,360, for instance, then 1 inch on the map would represent 63,360 inches, or 1 mile, on the ground (63,360 inches divided by 12 inches equals 5,280 feet, or 1 mile). Globes and Map Projections Some maps maintain neither property Families of Map Projections While the direction and shapes are accurate on a Mercator projection, it distorts size, in an increasing degree away from the equator....
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Chapter 2-Nature of Maps - Chapter 2 Nature of Maps Why is...

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