The elevation of a geographic location is its height above a fixed reference point, most commonly a reference geoid, a mathematical model of the Earth's sea level as an equipotential gravitational surface. Elevation, or geometric height, is mainly used when referring to points on the Earth's surface, while altitude or geopotential height is used for points above the surface, such as an aircraft in flight or a spacecraft in orbit.
Less commonly, elevation is measured using the center of the Earth as the reference point. Due to equatorial bulge, there is debate as to which of the summits of Mt. Everest or Chimborazo is at the higher elevation, as the Chimborazo summit is further from the Earth's center while the Mt. Everest summit is higher above mean sea level.
Contents 1 Maps and GIS 2 Topography 3 Global 1-kilometer map 4 Hypsography 5 Temperature 6 See also 7 References and external links // Maps and GIS Part of a topographic map of Haleakala (Hawaii), showing elevation. Landsat Image over SRTM Elevation by NASA, showing the Cape Peninsula and Cape of Good Hope, South Africa in the foreground.[2]A topographical map is the main type of map used to depict elevation, often through use of contour lines. In a Geographic Information System (GIS), digital elevation models (DEM) are commonly used to represent the surface (topography) of a place, through a raster (grid) dataset of elevations. Digital terrain models are another way to represent terrain in GIS.
To determine elevation of a place, it must be surveyed, in reference to a ground control point.
TopographyThe elevation of a mountain usually refers to its summit. The elevation of a hill also refers to the summit. A valley's elevation is usually taken from the lowest point but is often taken all over the valley.
Global 1-kilometer mapThis map is derived from GTOPO30 data that describes the elevation of Earth's terrain at intervals of 30 arcseconds (approximately 1 km). It uses color and shading instead of contour lines to indicate elevation.
Each tile is available at a resolution of 1800 × 1800 pixels (approximate file size 1 MB, 60 pixels = 1 degree, 1 pixel = 1 minute) HypsographyHypsography studies the distribution of elevations on the surface of the Earth, and is sometimes applied to other rocky planets such as Mars or Venus. The term originates from the Greek word ὕψος "hypsos" meaning height. Most often it is used only in reference to elevation of land but a complete description of Earth's solid surface requires a description of the seafloor as well. Related to the term hypsometry, the measurement of these elevations of a planet's solid surface are taken relative to mean datum, except for Earth which is taken relative to the sea level.
Hypsography of the Earth. Notice that Earth has two peaks in elevation, one for the continents, the other for the ocean floors. Temperature Vertical Distance ComparisonTemperature is less in areas of higher elevation. Approximately 6.5 degrees Celsius cooler per 1000 meters.1 That is due to less density of air at higher altitudes.
See also Look up elevation in Wiktionary, the free dictionary. altitude geodesy geodesy of North America Sea Level Datum of 1929 later National Geodetic Vertical Datum of 1929 (NGVD 29) North American Vertical Datum of 1988 (NAVD 88) Table of the highest major summits of North America List of European cities by elevation List of highest mountains List of highest towns by country physical geography summit (topography) topographic isolation topographic map topographic prominence topography References and external links ^ [1] U.S. National Geodetic Survey website Geodetic Glossary @ NGS NGVD 29 to NAVD 88 online elevation converter @ NGS United States Geological Survey website Geographical Survey Institute Downloadable ETOPO2 Raw Data Database (2 minute grid) Downloadable ETOPO5 Raw Data Database (5 minute grid) bivouac.com Canadian Mountain Encyclopedia peakbagger.com peaklist.org peakware.com World Mountain Encyclopedia summitpost.orgElevation Partners is a private equity firm that makes large-scale investments in market-leading media, entertainment, and consumer-related businesses. ...
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elevation n. The act or an instance of elevating. The condition of being elevated. An elevated place or position
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VALLES CALDERA - The nation's highest elevation beef cattle research facility managed by New Mexico State University at the Valles Caldera National Preserve in northern New Mexico is determining if there are DNA markers that will identify if cattle are genetically predisposed to develop hypertension while at high elevations.
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Elevation definition, the height to which something is elevated or to which it rises: See more.
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Ashland Fire & Rescue proactively inspects land for overgrown flammable vegetation in the city's wildfire hazard zone, but because of a lack of manpower, has to rely on complaints from neighbors to find tall dry grass, blackberry brambles and other dangerous fuels in lower Ashland.
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VALLES CALDERA - The nation's highest elevation beef cattle research facility managed by New Mexico State University at the Valles Caldera National Preserve in northern New Mexico is determining if
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Translations of elevation. elevation synonyms, elevation antonyms. Information about elevation in the free online English dictionary and ...
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Our four mugo pines at the entry to our home in Battlement Mesa (elevation 5,500 feet) for the past year are showing progressive browning off of needles partly because of deer damage, particularly this past season. I have tried a number of changes in watering and insect control to no avail. Your advice would be appreciated. — Larry
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The newest Australian test player Ben McCalman will have one significant advantage when taking the field against the Springboks, in the fact that his elevation to the Wallabies is something of a left field selection.
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elevation n. 1. the vertical distance of a point or level on or affixed to the surface of the Earth measured from mean sea level
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Searchers have discovered the body of Islander John Arum, who went missing in the North Cascades on Sunday. North Cascades National Park spokeswoman Kerry Olson reported on Friday evening that search helicopters spotted Olson's body at the 7,700-foot elevation of the 8,800-foot Storm King Peak.
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Organizers expect about 200 people to show up at the top of Rabbit Ears Pass on Sunday to compete in 10K and 5K races. The total elevation gain of the 10-kilometer run is about 1,200 feet. Three years ago the race drew 70 runners, and last year more than 170 came out.
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