above sea level wikipedia - EAS
- appfinder.lisisoft.comFrom Simple English Wikipedia, the free encyclopedia The term above mean sea level (AMSL) is the elevation or altitude used by engineers to determine the coverage area a station will be able to reach. It is also used in aviation, where most heights are recorded and reported in AMSL (see flight level), and in the atmospheric sciences
Sea level
Sea level is generally used to refer to mean sea level (MSL), an average level for the surface of one or more of Earth's oceans from which heights such as elevations may be measured.
.Atmospheric sciences
Atmospheric sciences is an umbrella term for the study of the Earth's atmosphere, its processes, the effects other systems have on the atmosphere, and the effects of the atmosphere on these other systems. Meteorology includes atmospheric chemistry and atmospheric physics with a major focus on weather forecasting.
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The term above sea level generally refers to above mean sea level (AMSL). The term APSL means Above Present Sea Level, comparing sea levels in the past with the level today. Earth's radius at sea level is 6378.137 km (3963.191 mi) at the equator. It is 6,356.752 km (3,949.903 mi) at the poles and
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See moreMean sea level (MSL) (often shortened to sea level) is an average surface level of one or more among Earth's coastal bodies of water from which heights such as elevation may be measured. The global MSL is a type of
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See morePrecise determination of a "mean sea level" is difficult because of the many factors that affect sea level. Instantaneous sea level varies quite a lot
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See moreSeveral terms are used to describe the changing relationships between sea level and dry land.
• "relative"...
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See morePilots can estimate height above sea level with an altimeter set to a defined barometric pressure. Generally, the pressure used to set the altimeter is the barometric pressure that would exist
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See moreWikipedia text under CC-BY-SA license Height above mean sea level is a measure of the vertical distance (height, elevation or altitude) of a location in reference to a historic mean sea level taken as a vertical datum. In geodesy, it is formalized as orthometric heights.
The combination of unit of measurement and the physical quantity (height) is called "metres above mean sea level" in the metric system, while in United States customary and imperial unitsit would …Wikipedia · Text under CC-BY-SA licenseHeight above sea level - Wikipedia
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