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Topographic Map
Term | Definition |
---|---|
Latitude | The angular distance of a place north or south of the earth's equator. |
Longitude | The angular distance of a place east or west of the meridian. |
Relief | The difference between the highest and lowest elevations in an area. |
Contour Interval | The vertical distance between the elevations represented by adjacent contour lines on a map. |
Verbal Scale | Expresses in words a relationship between a map distance and a ground distance. |
Distance | An amount of space between two things or people. |
Gradient | The ratio of drop in elevation of a stream per unit horizontal distance, usually expressed as feet per mile or metres per kilometre. |
Cross Section | An interpretation of a vertical section through the Earth's surface, most usefully a profile, for which evidence was obtained by geologic and geophysical techniques. |
Magnetic Declination | The horizontal plane between magnetic north and true north. |
Degrees, Minutes, Seconds | How distance is measured on the map. |