- 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, ...
Curves showing the time interval frequency for storms of specific areal rainfall.
Industry:Weather
The average depth of precipitation that has occurred within a specified time interval over an area of given size. Usually, for any given storm or period of study, the assigned DDA values are those that represent the highest average depth for each selected duration and areal size.
Industry:Weather
A curve giving the relation between averaged areal rainfall depth and time interval for specific events.
Industry:Weather
Compilation of depth–area curves for different time intervals on a single graph.
Industry:Weather
A curve showing the relation between an averaged areal rainfall depth and the area over which it occurs, for a specified time interval, during a specific rainfall event.
Industry:Weather
Vertical distance between the top of a snow layer and the horizontal ground beneath. The layer is assumed to be evenly spread on the surface. When the snow is not uniformly distributed, snow depth is measured by taking an average of multiple measurements.
Industry:Weather
Runoff volume per unit area (for a given time or per unit time); may be expressed as a fraction of precipitation volume per unit area.
Industry:Weather
The depth below the ocean surface to which the stress (horizontal force/unit area) of the wind reaches. To measure this depth, the turbulent stress must be directly measured. This is rarely done, but is more often inferred through observations of current profiles and fitting to an Ekman layer profile (e.g., Eqs. (9. 9) and (9. 10) in Pond and Pickard (1978)). Because of the strong effect stratification has on turbulent transport, the depth of frictional influence is also taken to be equal to the depth of the mixed layer, and this is in turn found by observations of temperature and/or salinity profiles.
Industry:Weather
The depth in a body of water at which illuminance has diminished to the extent that oxygen production through photosynthesis and oxygen consumption through respiration by plants are equal. It is the lower boundary of the euphotic zone. The illuminance at this depth is known as (or is said to have reached) the compensation point.
Industry:Weather
