Scientific instrument used to measure atmospheric pressure
For broader coverage of this topic, see Pressure measurement.
Barometer
A barometer is a scientific instrument that is used to measure air pressure in a certain environment. Pressure tendency can forecast short term changes in the weather. Many measurements of air pressure are used within surface weather analysis to help find surface troughs, pressure systems and frontal boundaries.
Barometers and pressure altimeters (the most basic and common type of altimeter) are essentially the same instrument, but used for different purposes. An altimeter is intended to be used at different levels matching the corresponding atmospheric pressure to the altitude, while a barometer is kept at the same level and measures subtle pressure changes caused by weather and elements of weather. The average atmospheric pressure on the Earth's surface varies between 940 and 1040 hPa (mbar). The average atmospheric pressure at sea level is 1013 hPa (mbar).
A barometer is a scientific instrument that is used to measure air pressure in a certain environment. Pressure tendency can forecast short term changes...
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also known as the leech barometer, is a 19th-century invention by George Merryweather in which leeches are used in a barometer. The twelve leeches are...
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28 June 2022. "UNWTO World Tourism Barometer and Statistical Annex, December 2020". UNWTO World Tourism Barometer. 18 (7). World Tourism Organization:...
years". Space.com. 10 August 2023. "UNWTO World Tourism Barometer". UNWTO World Tourism Barometer English Version. 18 (6). World Tourism Organization (UNWTO):...
org. Retrieved 15 April 2022. "UNWTO World Tourism Barometer" (PDF). UNWTO World Tourism Barometer. 6 (2). June 2008. ISSN 1728-9246. Archived from the...
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Molanphy, Chris (August 1, 2013). "How The Hot 100 Became America's Hit Barometer". All Things Considered. NPR. Archived from the original on August 3,...
cbs.nl. "European Cyclists' Federation – The first EU wide ECF Cycling Barometer launched". Archived from the original on 14 July 2014. "CROW Fietsberaad"...
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