- 업종: Weather
- Number of terms: 60695
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The American Meteorological Society promotes the development and dissemination of information and education on the atmospheric and related oceanic and hydrologic sciences and the advancement of their professional applications. Founded in 1919, AMS has a membership of more than 14,000 professionals, ...
Any region that is devoid of vegetation or permits only the sparse growth of very few plant species. This term is most commonly applied to such terrain in polar regions. See arctic desert.
Industry:Weather
Any notion that stationary orographic structures or nearly stationary atmospheric air masses may affect faster-moving nearby air masses to the effect of cyclogenesis or anticyclogenesis.
Industry:Weather
Any chemical compound containing bromine (Br), the 35th element in the periodic table. Bromine-containing compounds enter the atmosphere as the result of both natural and anthropogenic activities. The major source compounds are CH3Br (both natural and anthropogenic in origin), the halons (manufactured for use as fire suppressants), and dibromomethane CH2Br2 (emitted from the oceans). Destruction of these compounds results in the formation of a suite of inorganic Br-containing species, including bromine atoms (Br), bromine monoxide (BrO), bromine nitrate (BrNO3), hypobromous acid (HOBr), and hydrogen bromide (HBr). The chemistry that acts to interconvert these inorganic species results in depletion of ozone in the stratosphere.
Industry:Weather
Any of several kinds of walls, blocks, or deflector vanes placed in channelized water to dissipate energy in order to achieve a more uniform distribution of velocities, to divert flow, or to achieve another desired engineering purpose.
Industry:Weather
Another name for baud. Although the word “rate” in this context is redundant (since baud is the number of signal events per second), the combination “baud rate” is used frequently in the literature.
Industry:Weather
An oscillator that is biased in such a manner that its oscillations are periodically interrupted.
Industry:Weather
An observer's shadow cast upon a cloud. This usually happens when the observer is on a mountain top or ridge and a low sun casts the shadow onto a fog or cloud in the valley below. Although the shadow is essentially the same size as the person, the observer sometimes gains the impression that it is gigantic. This is likely the result of a comparison between the nearby shadow and distant objects glimpsed through the cloud. It was named after early observations made by climbers on the Brocken, a peak in the Harz Mountains of Germany.
Industry:Weather
An instrument that automatically records temperature, pressure, and humidity.
Industry:Weather
An observation of a faint, broad, reddish-brown corona by the Rev. S. Bishop of Honolulu during the eruption of Krakatoa in 1883. He described an angular radius of the inner edge of 20° and an angular width of about 10°. Subsequent observations are rare to nonexistent.
Industry:Weather
