- 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, ...
The region of dense cloud near the core of a tropical cyclone.
Industry:Weather
The record of climatological data (often summarized) from a location or region.
Industry:Weather
The reading obtained from a standard minimum thermometer that is exposed to the air but with its bulb in solid contact with a concrete slab. The slab lies horizontally in an open situation with its top almost flush with the ground. Such readings are less subject to very local influences than are grass minimum temperatures and are relevant to such problems as icing on roads and runways.
Industry:Weather
The ratio of the rate at which a catalytic cycle occurs to the rate of destruction of the catalytic species. The chain length thus provides a measure of the effectiveness of a particular catalytic cycle.
Industry:Weather
The ratio of hydraulic conductivity, K, to (mvγw), where γw is the unit weight of water and mv is the ratio of the volume change to the increase of effective stress.
Industry:Weather
The purely sinusoidal component of a complex waveform that carries a signal from a transmitter to a receiver. The carrier wave itself cannot transmit information but must be changed or modulated, two common methods for doing so being amplitude modulation and frequency modulation.
Industry:Weather
The radar signal returned from a cloud. A cloud echo is generally much weaker than that returned by precipitation and requires sensitive equipment or cloud-detection radar to be measurable.
Industry:Weather
The property of a field such that neighboring values of a parameter differ only by an arbitrarily small amount if they are close enough in space and/or time. In synoptic meteorology, continuity of a field is interpreted as requiring a certain smoothness of analysis and a similar adjustment in the time sequence of synoptic charts. Compare discontinuity.
Industry:Weather
The property describing a dynamical system that exhibits erratic behavior in the sense that very small changes in the initial state of the system rapidly lead to large and apparently unpredictable changes in the later state.
Industry:Weather
