Globe Projection

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Free Online Course on World Geography, Weather, Climate & Regions

Lesson 2: What Christopher Columbus and Ptolemy already knew.

In this portion of the lesson you will take a look at some of the common types of map projections. You should examine the picture of each of the map projections. Then read the descriptions, along with the advantages and disadvantages of each projection.

Globe projection

Figure 2.1.2, (Globe, USGS, 2006. http://erg.usgs.gov/isb/pubs/MapProjections/projections.html)

Description: Globe projections are a spherical model of the earth.

Advantages:

the most accurate way to depict the entire earth
direction, shape, distances, and area can all be accurately represented

Disadvantages:

impossible to show great detail—even a globe the size of a football stadium would have minimal details
expensive to make
bulky to carry
hard to store

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For more information about this and other OCW projects at BYU, visit http://ocw.byu.edu.

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