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  2. Anemometer - Wikipedia

    en.wikipedia.org/wiki/Anemometer

    A hemispherical-cup anemometer of the type invented in 1846 by John Thomas Romney Robinson.. In meteorology, an anemometer (from Ancient Greek άνεμος (ánemos) 'wind' and μέτρον (métron) 'measure') is a device that measures wind speed and direction.

  3. Low-level windshear alert system - Wikipedia

    en.wikipedia.org/wiki/Low-level_windshear_alert...

    LLWAS anemometers along a runway. A low-level windshear alert system (LLWAS) measures average surface wind speed and direction using a network of remote sensor stations, situated near runways and along approach or departure corridors at an airport.

  4. Meteorological instrumentation - Wikipedia

    en.wikipedia.org/wiki/Meteorological_instrumentation

    Devices used to measure weather phenomena in the mid-20th century were the rain gauge, the anemometer, and the hygrometer. The 17th century saw the development of the barometer and the Galileo thermometer while the 18th century saw the development of the thermometer with the Fahrenheit and Celsius scales.

  5. Wind speed - Wikipedia

    en.wikipedia.org/wiki/Wind_speed

    Unlike traditional cup-and-vane anemometers, ultrasonic wind sensors have no moving parts and are therefore used to measure wind speed in applications that require maintenance-free performance, such as atop wind turbines. As the name suggests, ultrasonic wind sensors measure the wind speed using high-frequency sound.

  6. Timeline of meteorology - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_meteorology

    Anemometers. 1450 – Leone Battista Alberti developed a swinging-plate anemometer, and is known as the first anemometer. [22] – Nicolas Cryfts, (Nicolas of Cusa), described the first hair hygrometer to measure humidity. The design was drawn by Leonardo da Vinci, referencing Cryfts design in da Vinci's Codex Atlanticus. [22]

  7. Eddy covariance - Wikipedia

    en.wikipedia.org/wiki/Eddy_covariance

    Eddy covariance system consisting of an ultrasonic anemometer and infrared gas analyser.. The eddy covariance (also known as eddy correlation and eddy flux) is a key atmospheric measurement technique to measure and calculate vertical turbulent fluxes within atmospheric boundary layers.

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