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Geography Vocabulary
Term | Definition |
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Reference Map | shows the location of the geographic areas for which census data are tabulated and disseminated. |
Thematic Map | A thematic map is a type of map especially designed to show a particular theme connected with a specific geographic area |
GPS | The Global Positioning System (GPS) is a space-based satellite navigation system that provides location and time information in all weather conditions |
GIS | A geographic information system, or GIS, is a computerized data management system used to capture, store, manage, retrieve, analyze, and display spatial information |
Distance Scale | The scale of a map is the ratio of a distance on the map to the corresponding distance on the ground. |
Directional Indicator | a compass that assists an airplane pilot in flying a predetermined course by direct reading and comparison of two indicators one of which is set for the desired heading while the other shows the actual heading so that when the two indicators point alike t |
Inset Map | A small map set within a larger map. An inset map might show a detailed part of the map at a larger scale, or the extent of the existing map drawn at a smaller scale within the context of a larger area. |
Legend | An explanatory table or list of the symbols appearing on a map or chart |
Latitude | the angular distance of a place north or south of the earth's equator, or of a celestial object north or south of the celestial equator, usually expressed in degrees and minutes. |
Longitude | the angular distance of a place east or west of the meridian at Greenwich, England, or west of the standard meridian of a celestial object, usually expressed in degrees and minutes. |
Equator | an imaginary line drawn around the earth equally distant from both poles, dividing the earth into northern and southern hemispheres and constituting the parallel of latitude 0°. |
Prime Meridian | a planet's meridian adopted as the zero of longitude. |
Northern Hemisphere | The Northern Hemisphere of Earth is the half that is north of the equator. |
Southern Hemisphere | The Southern Hemisphere of Earth is the half which is south of the equator. |
Eastern Hemisphere | he Eastern Hemisphere is a geographical term for the half of the Earth that is east of the Prime Meridian and west of 180° longitude. |
Western Hemisphere | The Western Hemisphere is a geographical term for the half of the Earth that lies west of the Prime Meridian and east of the Antimeridian, the other half being called the Eastern Hemisphere. |
Continents | any of the world's main continuous expanses of land (Africa, Antarctica, Asia, Australia, Europe, North America, South America). |
Map Grid | A pattern of regularly spaced horizontal and vertical lines forming squares on a map, a chart, an aerial photograph, or an optical device, used as a reference for locating points. |