- 行业: Weather
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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, ...
That portion of a hydrograph in which streamflow comes primarily from groundwater seepage, resulting in depletion of the groundwater (or lake water, swamp water) reservoir. See recession curve.
Industry:Weather
Strong winds over Loet Tawar (Sumatra, Indonesia) during the southwest monsoon.
Industry:Weather
Any variable considered as a function of other variables, the latter being called independent. Whether a given quantity is best treated as a dependent or independent variable depends upon the particular problem. Compare parameter.
Industry:Weather
A mesoscale flow feature of convergent winds, 50 to 100 km in length, usually oriented north–south, just east of the Denver, Colorado area. The cause of the feature is an interaction of southerly low-level flow with an east–west ridge known as the Palmer Divide extending onto the eastern Colorado plains to the south of Denver. In addition to the convergent wind field, which has been shown to help initiate thunderstorms in the convective season, the flow within the convergent zone sometimes develops smaller-scale vortices, hence the name “convergence–vorticity zone. ”
Industry:Weather
An office that provides meteorological service for international air navigation in accordance with International Civil Aviation Organization specifications. Its functions are to 1) prepare forecasts under the guidance of a main meteorological office; 2) supply meteorological information and briefings to aeronautical personnel; 3) supply meteorological information required by an associated supplementary meteorological office. See also meteorological watch office.
Industry:Weather
On a tephigram, a curve representing the distribution of the dewpoint for a given sounding of the atmosphere. See thermodynamic diagram.
Industry:Weather
Sometimes used synonymously with Denver convergence–vorticity zone or DCVZ. More specifically, it is a subset of the DCVZ in which the flow takes on a more cyclonic appearance, rather than an elongated zone of convergent winds.
Industry:Weather
The ratio of the volume of melted snow to the volume of the original, unmelted snow sample.
Industry:Weather
The erosion of the earth's surface due to rain, frost, wind, running water, or other actions, and the consequent uncovering of the surface that was otherwise covered.
Industry:Weather
