- 업종: 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 ratio of emitted flux density from a given surface to that from a blackbody at the same temperature. The adjective flux is typically applied only when the emissivity is not constant with direction, as from surfaces that do not emit according to Lambert's law.
Industry:Weather
The process whereby natural fog may be dissipated, as by artificial local surface heating or stirring, water spray, or ice seeding when the fog is supercooled.
Industry:Weather
The process of incorporating (assimilating) observations into a forecast model over a period of time to create an estimate of the atmospheric state. See data assimilation.
Industry:Weather
The process by which an unbalanced atmospheric flow field is modified to geostrophic equilibrium, generally by a mutual adjustment of the atmospheric wind and pressure fields depending on the initial horizontal scale of the disturbance.
Industry:Weather
The process of forcing a fluid (liquid or gas) through a filtering medium (e.g., granular material such as sand, silt, diatomaceous earth, fine cloth, unglazed porcelain, or specially prepared paper) resulting in the removal of suspended or colloidal matter.
Industry:Weather
The process by which an effective horizontal average or aggregate of turbulent fluxes is formed over inhomogeneous surfaces. The aggregated flux differs from the spatial average of equilibrium fluxes in an area, due to nonlinear advective enhancement associated with local advection across surface transitions. Aggregated fluxes can be related to vertical profiles only above the blending height.
Industry:Weather
The process and practice of determining the quality and value of forecasts. Compare forecast verification.
Industry:Weather
The procedure of locating environmental satellite imagery on a certain geographic reference frame, or placing latitude and longitude information on a satellite image.
Industry:Weather
The primary and largest division of geologic time. Limits correspond with major, global crustal events, changes in sea level and/or climate, or biotic changes. Five geologic eras have been established: Archeozoic (before 2500 million years ago (Ma)), Proterozoic (2500 to 570 Ma), Paleozoic (570 Ma to ca. 250 Ma), Mesozoic (ca. 250 to ca. 70 Ma), and Cenozoic (since ca. 70 Ma). All eras are divided into at least two geologic periods.
Industry:Weather
