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Term | Definition |
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Reference Map | Mapping that includes all possible valid relationships between a source system and a target system. |
Thematic Map | Is a type of map or chart especially designed to show a particular theme connected with a specific geographic area. |
GPS | Is a satellite-based navigation system made up of a network of 24 satellites placed into orbit by the U.S. Department of Defense. |
GIS | Lets us visualize, question, analyze, interpret, and understand data to reveal relationships, patterns, and trends |
Distance Scale | In physics, length scale is a particular length or distance determined with the precision of one order (or a few orders) of magnitude. The concept of length scale is particularly important because physical phenomena of different length scales cannot affec |
Directional Indictator | A compass that assists an airplane pilot in flying a predetermined course by direct reading and comparison of two indicators |
Inset Map | More detailed (larger scale) representation of a specific area on a map usually placed in an uncluttered portion of the same sheet as the smaller scale main map |
Legend | An extremely famous or notorious person, esp. in a particular field. |
Latitude (Parallels) | 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 (Meridians) | 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 hemisphere that is to the north of the equator |
Southern Hemisphere | The hemisphere to the south of the equator |
Eastern Hemisphere | The hemisphere that includes Eurasia and Africa and Australia |
Western Hemisphere | The hemisphere that includes North America and South America |
Continents | Any of the world's main continuous expanses of land (Africa, Antarctica, Asia, Australia, Europe, North America, South America). |
Map Grids | A symbolized network of lines, or graticule, representing parallels and meridians or plane coordinates. Plane coordinate grids are almost always rectangular with uniform spacing. Azimuthal map grids are organized as polar coordinates. See Graticule. |