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Scale height information


The earth atmosphere's scale height is about 8.5km, as can be confirmed from this diagram of air pressure p by altitude h: At an altitude of 0, 8.5, and 17 km, the pressure is about 1000, 370, and 140 hPa, respectively.

In atmospheric, earth, and planetary sciences, a scale height, usually denoted by the capital letter H, is a distance (vertical or radial) over which a physical quantity decreases by a factor of e (the base of natural logarithms, approximately 2.718).

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Scale height

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In atmospheric, earth, and planetary sciences, a scale height, usually denoted by the capital letter H, is a distance (vertical or radial) over which a...

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Height gauge

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fixed or the height gauge may have provision to adjust the scale, this is done by sliding the scale vertically along the body of the height gauge by turning...

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Height function

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coordinates (e.g. 7 for the coordinates (3/7, 1/2)), but in a logarithmic scale. Height functions allow mathematicians to count objects, such as rational points...

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Douglas sea scale

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The Douglas sea scale is a scale which measures the height of the waves and also measures the swell of the sea. The scale is very simple to follow and...

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Exosphere

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is the equation for the pressure scale height. As the pressure scale height is almost equal to the density scale height of the primary constituent, and...

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Height in sports

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Height can significantly influence success in sports, depending on how the design of the sport is linked to factors that are height-biased due to physics...

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Reference atmospheric model

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necessary for P or ρ to drop to 1/e of its initial value is called the scale height: H = R T M g 0 {\displaystyle H={\frac {RT}{Mg_{0}}}} where R is the...

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Length scale

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mechanical behaviours in liquids or solid can be described by macroscopic concepts. Orders of magnitude (length) Extragalactic distance scale Scale height...

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Tanner scale

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The Tanner scale (also known as the Tanner stages or sexual maturity rating (SMR)) is a scale of physical development as children transition into adolescence...

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Mars Orbiter Mission

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the typical scale height is around 16 km corresponding to an exospheric temperature of around 275 K. However, on two orbits, the scale height over this...

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Atmosphere

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696 psi). The height at which the atmospheric pressure declines by a factor of e (an irrational number equal to 2.71828) is called the scale height (H). For...

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Atmosphere of Earth

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factor of 1/e (0.368) every 7.64 km (25,100 ft), (this is called the scale height) -- for altitudes out to around 70 km (43 mi; 230,000 ft). However, the...

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Olympus Mons

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increases the atmosphere's scale height; in other words, Mars's atmosphere is expansive and does not drop off in density with height as sharply as Earth's...

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Galactic disc

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The scale height of this component is roughly 100 pc. The old thin disc has a scale height of approximately 325 pc while the thick disc has a scale height...

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TT scale

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15 mm scale where the height of "standard" 180 cm (5 ft 11 in) soldier height is 15 mm (0.59 in). For British 3 mm TT scale, see 3 mm scale. TT scale was...

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N scale

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N scale is a popular model railway scale. Depending upon the manufacturer (or country), the scale ranges from 1:148 to 1:160. Effectively the scale is...

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Rossby radius of deformation

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vertical scale height, H. For a vertical scale associated with the height of the tropopause, LR, 1 ≈ 1000 km, which is the predominant scale seen on weather...

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Interstellar medium

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mass in the ISM is confined to a relatively thin disk, typically with scale height about 100 parsecs (300 light years), which can be compared to a typical...

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Weighing scale

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A scale or balance is a device used to measure weight or mass. These are also known as mass scales, weight scales, mass balances, massometers and weight...

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Thermosphere

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significant, so that each constituent follows its barometric height structure with a scale height inversely proportional to its molecular weight. The lighter...

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Orthometric height

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usually used in the US for engineering work, although dynamic height may be chosen for large-scale hydrological purposes. Heights for measured points are shown...

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Beaufort scale

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The Beaufort scale /ˈboʊfərt/ is an empirical measure that relates wind speed to observed conditions at sea or on land. Its full name is the Beaufort...

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Scale length

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Scale height (or "scale length"), a specific parameter in physics denoting the distance over which a quantity decreases by a factor of e Scale length...

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Barometric formula

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this formulation, R* is the gas constant, and the term R*T/Mg gives the scale height (approximately equal to 8.4 km for the troposphere). (For exact results...

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Stay Puft Marshmallow Man

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Stay-Puft is destroyed. Stay-Puft's exact to-scale height in the movie is 112.5 feet (34.3 m) tall, while his height in the novelization of the movie is given...

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Height and intelligence

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Regardless, studies conducted to compare height with intelligence frequently use the Wechsler Adult Intelligence Scale (WAIS) which measures verbal and performance...

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Geologic time scale

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The geologic time scale or geological time scale (GTS) is a representation of time based on the rock record of Earth. It is a system of chronological dating...

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