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The elevation range of the area. [e] All topographic elevations are adjusted to the North American Vertical Datum of 1988 (NAVD 88). All geographic coordinates are adjusted to the World Geodetic System of 1984 (WGS 84). The mean elevation for each state, the District of Columbia, and Puerto Rico are accurate to the nearest 100 feet (30 m).
The biggest dry land area below sea level that has been known to exist during the geological past, as measured by continuous volume of atmospheric air below sea level, was the dry bed of the Mediterranean Sea of the late Miocene period during the Messinian salinity crisis.
Map of countries coloured according to their highest point The following sortable table lists land surface elevation extremes by country or dependent territory. Topographic elevation is the vertical distance above the reference geoid , a mathematical model of the Earth's sea level as an equipotential gravitational surface.
Sergeant Chris D. Washington checking his Topographic map during a morning deer hunt in Kilgore, Texas A topographic map of Stowe, Vermont with contour lines Part of the same map in a perspective shaded relief view illustrating how the contour lines follow the terrain Sheet #535 (2013 version; second digital edition) of MTN50 Spanish National Topographic map series, covering Algete town (near ...
In aviation, the term elevation or aerodrome elevation is defined by the ICAO as the highest point of the landing area. It is often measured in feet and can be found in approach charts of the aerodrome. It is not to be confused with terms such as the altitude or height. [1] Part of a topographic map of Haleakala , showing elevation.
Physiographic world map with mountain ranges and highland areas in brown, pink, and gray. This is a list of mountain ranges on Earth and a few other astronomical bodies.First, the highest and longest mountain ranges on Earth are listed, followed by more comprehensive alphabetical lists organized by continent.
The altitude and size of the range affect the climate in Europe; in the mountains, precipitation levels vary greatly and climatic conditions consist of distinct zones. Wildlife such as ibex live in the higher peaks to elevations of 3,400 m (11,155 ft), and plants such as edelweiss grow in rocky areas in lower elevations as well as in higher ...
Pressure altitude is the elevation above a standard datum air-pressure plane (typically, 1013.25 millibars or 29.92" Hg). Pressure altitude is used to indicate "flight level" which is the standard for altitude reporting in the U.S. in Class A airspace (above roughly 18,000 feet).