- 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, ...
The probability distribution that describes the likelihood of different annual maximum floods. The cumulative flood frequency distribution, F(x), specifies the probability that the annual maximum flood, X, is less than any given value.
Industry:Weather
The potential energy a body has by virtue of its position in the gravitational field of other bodies. See gravitation, potential energy.
Industry:Weather
The potential energy per unit weight of fluid due to its elevation above an arbitrary datum.
Industry:Weather
The portion of the electromagnetic spectrum lying between the middle infrared and microwaves. This covers the wavelength range approximately from 15 μm to 1 mm, but usage varies.
Industry:Weather
The placement of sequentially finer grids within each other in order to obtain the highest resolution possible over a limited region with decreasing resolution outside of that area. This permits a given numerical model to run over a large area while incurring the expense of high resolution only over a small region of particular interest. See variable resolution model, nested grids.
Industry:Weather
The physics of the earth and its environment, that is, earth, air, and (by extension) space. Classically, geophysics is concerned with the nature of the physical occurrences at and below the surface of the earth including, therefore, geology, oceanography, geodesy, seismology, hydrology, etc. The trend is to extend the scope of geophysics to include meteorology, geomagnetism, astrophysics, and other sciences concerned with the physical nature of the universe. Geophysics uses analytical and mathematical, rather than purely descriptive, techniques.
Industry:Weather
The phase transition of a substance passing from the solid to the liquid state; melting. In meteorology, fusion is almost always understood to refer to the melting of ice, which, if the ice is pure and subjected to one standard atmosphere of pressure, takes place at the ice point of 0°C (see melting point). Additional heating at the melting point is required to fuse any substance. The specific enthalpy that must be added to fuse ice is called the latent heat of fusion and is approximately 3. 35 × 105 J kg−1.
Industry:Weather
The phenomenon describing preferential fluid pathways through porous media.
Industry:Weather
The period, usually expressed in days, between the last observed occurrence of frost in the spring and the first observed occurrence of frost in the autumn.
Industry:Weather
