- Sektör: 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, ...
1. A wave disturbance in a two-dimensional flow, the driving mechanism for which lies in the variation of vorticity of the basic current and/or in the variation of the vorticity of the earth about the local vertical. Such wave disturbances are also known as Rossby waves. See also barotropic instability. 2. An atmospheric wave of cyclonic scale in which troughs and ridges are approximately vertical.
Industry:Weather
1. Area of waterlogged, spongy ground, generally consisting of acidic decaying vegetation that may develop into peat. 2. The vegetation characteristic of this environment, including various masses, sedges, and heaths.
Industry:Weather
1. Area of waterlogged, spongy ground, generally consisting of acidic decaying vegetation that may develop into peat. 2. The vegetation characteristic of this environment, including various masses, sedges, and heaths.
Industry:Weather
The vertical distance above mean sea level of the ivory point (zero point) of a station's mercurial barometer; frequently the same as station elevation. This term is denoted by the symbol Hz in international usage. The value of atmospheric pressure with reference to this level is termed actual pressure.
Industry:Weather
“The accumulation of snow in lumps under a ski runner, snow shoe, footgear, or a dog's pad. Balling occurs especially under conditions of high temperature and high humidity. ”
Industry:Weather
“Long high swells that have increased in height, almost to the breaking point, as they pass over shoals or run in shallow water. ”
Industry:Weather
“A squall forming in fair weather characteristic of the ocean off the coast of South Africa. It is named for the peculiar appearance of the small isolated cloud marking the top of the invisible vortex of the storm. ” (H. O. Publ. 220, Navigation Dictionary, 1956).
Industry:Weather
A measure of the fraction of incident radiation that is scattered directly back toward the source.
Industry:Weather
The ratio of the universal gas constant to Avogadro's number; equal to 1. 3804 × 1023 W K−1.
Industry:Weather
