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Key HG Concepts
Vocabulary review of Unit 1 Thinking Geographically
Term | Definition |
---|---|
absolute location | The actual space a place occupies on the Earth's surface |
desertification | The transformation of agricultural lands into deserts because of overgrazing and soil erosion |
distribution | The array of items on Earth's surface. All spatial distributions have density |
geographic information system (GIS) | A computer system with the purpose of overlaying various data layers on a basic location map. |
latitude | The degrees of north or south from the equator for a location on the surface of the Earth. Measured in parallels. |
longitude | The distance east or west from the Prime Meridian |
mental map | A map in one's mind. |
meridian | A line of identical longitude. |
model | A simplified generalization of something in real life. |
perceptual region | A region defined by feelings and prejudices that may or may not be true. A region derived from one's mental map. |
Place | Another word for location |
Projection | A type of map based on representing a round Earth on a flat piece of paper with the resulting inaccuracies determining the best use of the particular type. |
region | An area that displays a common trait such as culture |
relative location | The location of a place in relation to the location of other places. |
remote sensing | The process of detecting the nature of an area from a distance. |
representative fraction | The scale of a map represented as a ratio or a fraction |
scale | The degree of generalization on a map. Scale can also mean the size of a unit on a map as a ratio of its size on the map to the same units on the Earth's surface. |
site | The physical location of a place. |
situation | The location of a place based on its relation to other places. |
space | The extent of area that is occupied by something. |
spatial diffusion | The spread of something over time or space. |
formal region | A region with a high level of consistency in a certain cultural or physical attribute (also a uniform region) |
vernacular region | A popular region that is named for the way people perceive it. |