- 行业: 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, ...
Spring formed against a subsurface barrier boundary such as a confining layer, or at a fault between a raised bedrock block and a depressed block covered with a thick aquifer.
Industry:Weather
Solar radiation intense enough to cast distinct shadows. See insolation.
Industry:Weather
Snow that is saturated and mixed with water on sea ice surfaces, or as a viscous floating mass in water after a heavy snowfall.
Industry:Weather
Snow lifted from the surface of the earth by the wind to a height of 2 m (6 ft) or more above the surface (higher than drifting snow), and blown about in such quantities that horizontal visibility is reduced to less than 11 km (about 7 statute miles). As an obstruction to vision, it is encoded BS in a surface aviation weather observation and as BLSN as an obstruction to vision in a METAR or SPECI observation. Blowing snow can be falling snow or snow that already accumulated but is picked up and blown about by strong winds. It is one of the classic requirements for a blizzard.
Industry:Weather
Snow intermixed with dust particles; a common phenomenon in many parts of the world. Snows of other colors, such as red snow and yellow snow, are similarly explainable.
Industry:Weather
Similar in most ways to the green flash, the wavelength-dependent refraction that gives a red rim on the low sun's bottom would be expected to give a blue rim on its top. Often scattering diminishes the relative spectral radiance of the shortest wavelengths sufficiently that green is perceived, but not always.
Industry:Weather
Search strategy in which the highest layer of a decision tree is searched completely before proceeding to the next layer. In this manner, no viable solution is omitted and the optimal solution is found. This strategy is often not feasible when the search space is large.
Industry:Weather
Seawater containing a higher concentration of dissolved salt than that of the ordinary ocean. Brine is produced by the evaporation or freezing of seawater, for, in the latter case, the sea ice formed is much less saline than the initial liquid, leaving the adjacent unfrozen water with increased salinity. The liquid remaining after seawater has been concentrated by evaporation until salt has crystallized is called bittern.
Industry:Weather
Similar to and sometimes encompassed by the general term Brownian motion, although best reserved for the translational motion of particles because of a fluctuating force on them, the average of which is zero. Brownian rotation is a consequence of a fluctuating torque (with zero average) on particles as a consequence of random molecular collisions.
Industry:Weather
Scattering into directions backward of a plane through the scattering center and orthogonal to the incident direction.
Industry:Weather
