What is spot elevation?
Quick Answer
A spot elevation is a point on a map or chart that has its elevation noted, usually in terms of vertical distance from sea level. Spot elevations are a common feature of topographic maps. Topographic maps show both the geography of an area and physical features of the terrain.
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Most of the time, elevation is indicated on a topographic map by concentric lines that follow the contours of the terrain. Lines that are enclosed by many other lines are further away from sea level. Spot elevations are used for particularly notable features, like mountain peaks or road junctions. They are usually indicated by an "X," with the elevation next to them in numerals. Benchmarks are a special kind of spot elevation. They are points that have been surveyed as accurately as possible to serve as references for the rest of the terrain. Benchmarks are indicated by the abbreviation "B.M."
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What is a contour in geography ?
A: A contour in geography refers to a line on a contour or topographical map that designates a specific and constant elevation above sea level. Contour lines ... Full Answer >Filed Under: -
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What is elevation above sea level?
A: Elevation above sea level, or altitude, is the distance of a location above sea level. Sea level is calculated as an average level for one or more oceans. Full Answer >Filed Under: -
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What is an elevation map?
A: An elevation map reflects the elevation of the region being depicted; this is usually done using lines, shading and color patterns. 3D models of elevation ... Full Answer >Filed Under: -
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What do contour lines on a map indicate?
A: Contour lines on a map indicate elevation or depth. Numeric notations on contour lines refer to the level of elevation, or height above sea level. Full Answer >Filed Under:
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