elevation

(ĕl'ə-vā'shən)

1. 1. The act or an instance of elevating.
   2. The condition of being elevated.
2. An elevated place or position.
3. The height to which something is elevated above a point of reference such as the ground.
4. Loftiness of thought or feeling.
5. A scale drawing of the side, front, or rear of a structure.
6. The height of a thing above a reference level; altitude.
7. 1. The ability to achieve height in a jump, as in ballet.
   2. The degree of height reached when such a jump is executed.

SYNONYMS   elevation, altitude, height. These nouns denote the distance of something above a point of reference such as the horizon: a city at an elevation of 3,000 feet above sea level; flying at an altitude of 1 mile; grew to a height of 6 feet.

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noun

1. The distance of something from a given level: altitude, height. See high/low.
2. The act of raising to a high position or status or the condition of being so raised: aggrandizement, apotheosis, ennoblement, exaltation, glorification. See rise/fall.
3. A progression upward in rank: advancement, jump, promotion, rise, upgrade. See rise/fall.

Definition: advancement, promotion
Antonyms: demotion, disdain, spurning

élévation (Fr., height). Dance movements which are performed in the air, in contrast to those (terre à terre) which hardly leave the floor.

(DOD, NATO) The vertical distance of a point or level on or affixed to the surface of the Earth measured from mean sea level. See also altitude.

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• Processes, Phenomena, Events, and Techniques - elevation: height above sea level
• Maps and Cartography - elevation: altitude
• Hills, Hollows, and Valleys - elevation: height
• Carpentry - elevation: drawing that shows design of exterior walls; height of building part above established point
• Firearm Parts, Accessories, and Processes - elevation: angle at which a weapon, esp. an artillery piece, points away from horizontal plane
• Ballet - elevation: apparent ability to remain suspended in midair while performing movements
• Building Construction and Design - elevation: building face; front drawing of structure projected geometrically on vertical plane parallel to one of its sides
• Dimensions and Directions - elevation: distance upward from fixed surface

For other uses, see Elevation (disambiguation).

Elevation histogram of the surface of the Earth – approximately 71% of the Earth's surface is covered with water.

The elevation of a geographic location is its height above a fixed reference point^{[citation needed]}, most commonly a reference geoid, a mathematical model of the Earth's sea level as an equipotential gravitational surface (see Geodetic system, vertical datum). 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, and depth is used for points below the surface.

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 8 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.

Topography

The 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 map

This 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)

Hypsography

Hypsography is the study of the distribution of elevations on the surface of the Earth, although the term is sometimes also 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 Comparison

Temperature is less in areas of higher elevation, approximately 6.5 degrees Celsius cooler per 1000 meters.^[1] This 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)
• List of European cities by elevation
• List of highest mountains
• List of highest towns by country
• Normaal Amsterdams Peil
• Normalhöhennull
• Physical geography
• Summit (topography)
• Table of the highest major summits of North America
• Topographic isolation
• Topographic map
• Topographic prominence
• Topography
• Vertical pressure variation

References

1. ^ [1]

Its GTS level. Reference of ST.johns Church in Situated 17km from Meerut.

[[File: .jpg]]

External links

• 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)
• Find the elevation of any place
• ELEV

Wikimedia Commons has media related to: Elevation

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Dansk (Danish)
n. - øften, forfremmelse, højnelse, fornemhed, opstemthed, højderetning, højde, højdedrag, højdespring, facadetegning

Nederlands (Dutch)
hoogte, hoek met de horizon, sprong in de lucht, elevatie, verhoging, verhevenheid, zijaanzicht

Français (French)
n. - élévation, altitude, hauteur, éminence

Deutsch (German)
n. - Hebung, Erhabenheit, Erhöhung

Ελληνική (Greek)
n. - (αν)ύψωση, ανέβασμα, ύψος, ύψωμα, (αρχιτ.) τομή, πρόσοψη (οικοδομήματος), (γεωγρ.) έξαρμα, ύψωμα, εξύψωση, ανάδειξη

Italiano (Italian)
elevazione

Português (Portuguese)
n. - elevação (f), nobreza (f)

Русский (Russian)
повышение, поднятие, возведение, возвышенность, величие, высота, высотная отметка, угол возвышения орудия, вознесение

Español (Spanish)
n. - elevación, alza, ascenso

Svenska (Swedish)
n. - upphöjande, upphöjelse

中文（简体）(Chinese (Simplified))
海拔, 提高, 标高

中文（繁體）(Chinese (Traditional))
n. - 海拔, 提高, 標高

한국어 (Korean)
n. - 높이, 고상함, 승진, 등용, 입면도

日本語 (Japanese)
n. - 高さ, 海抜, 標高, 小高い所, 高めること, 挙上, 隆起, 登用, 空中跳躍, 持ち上げること, 高台

العربيه (Arabic)
‏(الاسم) ارتفاع, سمو‏

עברית (Hebrew)
n. - ‮הרמה, הגבהה, אצילות, רמה, גבעה, כבוד, תרשים צד-הבניין, מיגבה, זווית-גובה, גובה, שכיבת-סמיכה‬

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