spot elevation

[′spät ‚el·ə‚vā·shən] (mapping) Elevation of a point on a map or chart, usually indicated by a dot accompanied by a number indicating the vertical distance of the point from the reference datum; spot elevations are used principally to indicate points higher than their surroundings.

spot elevation

A point on a map or chart whose height above a specified reference datum is noted, usually by a marker and elevation value.

spot height

The height of the highest point in a given area expressed in feet or meters above sea level, as marked on topographical charts. These are indicated by black dots with adjacent numerals. They have been measured accurately and are used to show local peaks, which are significantly higher than the adjacent higher contour line. The position of the point and the height of the highest elevation normally are printed on the margin of the particular chart. In the 1:500,000 series, the spot height of the highest elevation is shown in large numbers against a white background outlined in black. Spot heights are also used to indicate the height of airfields above sea level. Also called spot elevation.

单词	spot elevation
释义	spot elevation spot elevation A point on a map or chart whose elevation is noted. spot elevation spot elevation [′spät ‚el·ə‚vā·shən] (mapping) Elevation of a point on a map or chart, usually indicated by a dot accompanied by a number indicating the vertical distance of the point from the reference datum; spot elevations are used principally to indicate points higher than their surroundings. spot elevation A point on a map or chart whose height above a specified reference datum is noted, usually by a marker and elevation value. spot height The height of the highest point in a given area expressed in feet or meters above sea level, as marked on topographical charts. These are indicated by black dots with adjacent numerals. They have been measured accurately and are used to show local peaks, which are significantly higher than the adjacent higher contour line. The position of the point and the height of the highest elevation normally are printed on the margin of the particular chart. In the 1:500,000 series, the spot height of the highest elevation is shown in large numbers against a white background outlined in black. Spot heights are also used to indicate the height of airfields above sea level. Also called spot elevation.
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