- 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, ...
A wind blowing through Andes Mountain passes, sometimes reaching hurricane force.
Industry:Weather
A unit of photometric power. The lumen is equal to the amount of photometric power radiated into a unit solid angle (steradian) from a small source having a luminous intensity of one candela. Tungsten-filament light bulbs produces approximately 15 lumens per watt.
Industry:Weather
A waveform disturbance that arises from Kelvin–Helmholtz instability.
Industry:Weather
A wave of maximum height, for a given wavelength, beyond which the wave cannot grow without breaking.
Industry:Weather
A water mass found at a depth from 25 to 200 m in the Japan Sea in which the temperature drops from 17° to 2°C. It is well ventilated with a high oxygen content of 8 ml l−1.
Industry:Weather
A vector that may be represented as the gradient or ascendent of a scalar, in symbols, ∇α. Thus, a lamellar vector field is irrotational.
Industry:Weather
A unit of energy per unit area once commonly employed in radiation theory; equal to one gram-calorie per square centimeter. The langley is almost always used in conjunction with some time unit to express a flux density; but the time unit has been purposely separated in order that it may be chosen in a manner convenient to each particular problem. The unit was named in honor of the American scientist Samuel P. Langley, 1834–1906, who made many contributions to the knowledge of solar radiation. Modern meteorologists tend to use the mks unit W m−2.
Industry:Weather
A unit of energy in the mks system equal to 107 ergs, 1 Watt second, or 0. 2389 calories.
Industry:Weather
A type of seismic surface wave having a horizontal motion that is shear or transverse to the direction of propagation. Its velocity depends only on density and rigidity modulus, and not on bulk modulus. It is named after A. E. H. Love, the English mathematician who discovered it.
Industry:Weather
