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In meteorology, an anemometer (from Ancient Greek άνεμος (ánemos) 'wind' and μÎτρον (métron) 'measure') is a device that measures wind speed and direction. It is a common instrument used in weather stations. The earliest known description of an anemometer was by Italian architect and author Leon Battista Alberti (1404–1472) in 1450.
A hot-wire anemometer, for example, registers decreases in wire temperature, which can be translated into airflow velocity by analyzing the rate of change. Convective cooling is a function of airflow rate, and the electrical resistance of most metals is dependent upon the temperature of the metal, which is affected by the convective cooling. [ 5 ]
Also, the acoustic impedance of the transducers is not the same, because they do not operate in the same medium: air for sodars, water for ADCPs; said differently, an ADCP would not work in the air, and a sodar would not work underwater. Finally, it is more common for ADCPs to use four beams, even when they are not using a phased array.
An anemometer is commonly used to measure wind speed. Global distribution of wind speed at 10m above ground averaged over the years 1981–2010 from the CHELSA-BIOCLIM+ data set [ 1 ] In meteorology , wind speed , or wind flow speed , is a fundamental atmospheric quantity caused by air moving from high to low pressure , usually due to changes ...
An air flow meter is a device similar to an anemometer that measures air flow, i.e. how much air is flowing through a tube. It does not measure the volume of the air passing through the tube, it measures the mass of air flowing through the device per unit time, though Thus air flow meters are simply an application of mass flow meters for the ...
A video taken in Utah over the weekend captured a rare, mesmerizing weather occurrence known as a "snownado." According to the World Meteorological Organization (WMO) and The Weather Channel, a ...
Latin American leaders on Monday rallied to Panama's defense after U.S. President-elect Donald Trump threatened to reimpose U.S. control over the Panama Canal, a key global shipping route located ...
This was a short work containing an estimation of the angle of depression of the sun at the beginning of the morning twilight and at the end of the evening twilight, and an attempt to calculate on the basis of this and other data the height of the atmospheric moisture responsible for the refraction of the sun's rays. Through his experiments, he ...
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3579 S High St, Columbus, OH · Directions · (614) 409-0683