Geography Maps
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Created by:
mfiorillo16 on September 16, 2012
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25 terms
Terms | Definitions |
|---|---|
 Map projection | A projection of the globe onto a flat map using a grid of lines of latitude and longitude |
| Simplification | How cartographers make maps as easy to read as possible. |
| Map scale | Shows the ratio between distances on a map and distances on the earth |
| Aggregation | Specific geographic units portraying significant data on a map. |
| Type of map | Different maps show different subjects that cartographers want to project. |
| Thematic maps | Maps that tell stories, typically showing the degree of some attribute of the movement of a geographic phenomenon. |
| Isoline maps | Maps that use lines to represent quantities of equal value |
| Choropleth maps | Thematic map that uses tones or colors to represent spatial data as average values per unit area |
| Proportional symbol map | Type of map that uses a symbol in varying sizes to show the magnitude of a characteristic |
| Dot map | A thematic map in which a dot represents some frequency of the mapped variable |
| Distance distortion | When the distance from one place to another appears longer or shorter than what it actually is. |
| Shape distortion | When the shape of a country is drawn incorrectly since real and precise shape of a globe cannot be represented on a 2D surface. |
| Relative size distortion | When the size of a place appears larger or smaller than what is actually is. |
| Direction distortion | When direction is distorted since real and precise shape of a globe cannot be represented on a 2D surface. |
| GIS | A geographic information system that can capture, store, query, analyze and display geographic information. |
| GPS | A global positioning system that accurately determines the precise position of a place. |
| Globalization | How the world is getting smaller through technology, trade and commerce. |
| Regional diversity | How the world remains large and diverse because of the variations within our societies and culture. |
| Longitude | Arcs drawn between the north and south poles used as a numbering system to located an area on a map. |
| Latitude | Arcs drawn between the east and west of the globe that is used as a number system to locate an area on a map. |
| Tropic of Capricorn | A line of latitude about 23.5 degrees to the south of the equator. |
| Tropic of Cancer | A line of longitude about 23.5 degrees to the north of the equator. |
| Equator | An imaginary line around the earth equally distant from the North and South Pole. |
| Prime Meridian | An imaginary arc between the north and south pole (going through Greenwich in England) with a longitude of 0˚. |
| What is the purpose of a map? | The purpose of a map is to show different data for different places of the world. |
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