standard lapse rate

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• Lapse rate — The lapse rate is defined as the rate of decrease with height for an atmospheric variable. The variable involved is temperature unless specified otherwise.[1][2] The terminology arises from the word lapse in the sense of a decrease or decline;… …   Wikipedia

• adiabatic lapse rate — The rate at which the temperature changes as the air rises or falls without the heat being taken away from or given to the air mass. The standard adiabatic lapse rate is 3°C/1000 ft, 5.4°F/1000 ft, or 9.8°C/km when air is dry (dry adiabatic lapse …   Aviation dictionary

• lapse — lapser, n. /laps/, n., v., lapsed, lapsing. n. 1. an accidental or temporary decline or deviation from an expected or accepted condition or state; a temporary falling or slipping from a previous standard: a lapse of justice. 2. a slip or error,… …   Universalium

• lapse — [[t]læps[/t]] n. v. lapsed, laps•ing 1) an accidental or temporary decline or deviation from an expected or accepted condition or state: a lapse of justice[/ex] 2) a slip or error, often of a trivial sort: a lapse of memory[/ex] 3) an interval or …   From formal English to slang

• lapse — n. & v. n. 1 a slight error; a slip of memory etc. 2 a weak or careless decline into an inferior state. 3 (foll. by of) an interval or passage of time (after a lapse of three years). 4 Law the termination of a right or privilege through disuse or …   Useful english dictionary

• standard atmospheric conditions/standard atmosphere — The internationally accepted conditions of the atmosphere to allow all measurements to be brought to the same norms. The standard atmospheric conditions at sea level are pressure: 29.92 in of mercury or 1013.2 hectopascals; temperature: 15°C;… …   Aviation dictionary

• International Standard Atmosphere — The International Standard Atmosphere (ISA) is an atmospheric model of how the pressure, temperature, density, and viscosity of the Earth s atmosphere change over a wide range of altitudes. It consists of tables of values at various altitudes,… …   Wikipedia

• international standard atmosphere — Atmosphere in which the sea level pressure is 1013.25 hectopascals, temperature is 15°C, air density is 0.002378 slugs/ft3 or 1.225 kg/m3 , acceleration due to gravity is 32.174 ft/s2 (9.809 m/s2 ), and the speed of sound is 761 mph, or 1116.4… …   Aviation dictionary

• time-lapse cinematography —       motion picture technique by which a naturally slow process, such as the blossoming of a flower or cloud pattern development, can be seen at a greatly accelerated rate. Normal sound cinematography reproduces movement by recording and… …   Universalium

• Time Lapse Video Recording — WikiV The process by which images are recorded at less than the standard rate of frames per second (NTSC 29.97; PAL 25.00) thus extending the period of time that can be covered by the storage medium.[5] …   Audio and video glossary

• Barometric formula — The barometric formula, sometimes called the exponential atmosphere or isothermal atmosphere , is a formula used to model how the pressure (or density) of the air changes with altitude.Pressure equationsThere are two different equations for… …   Wikipedia