Meteorology

Meteorology

A database of terms pertaining to the scientific study of the atmosphere.

Industry: Weather

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Meteorology

microwave

Weather; Meteorology

Electromagnetic radiation having wavelengths between approximately 1 mm and 1 m (corresponding to 0. 3- and 300-GHz frequency) bounded on the short-wavelength side by far infrared ( 1 m). Passive ...

A type of climate characterized by low annual mean temperatures (between 0° and 14°C), that is, a region of genuine winter emphasized by the usual snow mantle, and a true, although many times short, ...

microvariation of pressure

Weather; Meteorology

Minute pressure variation identifiable only with ultrasensitive equipment.

microstrip antenna

Weather; Meteorology

A thin, flat, printed circuit board antenna. The radiating elements of the antenna are conducting strips or patches printed on the upper surface of a thin dielectric substrate that is backed by a ...

microstructure

Weather; Meteorology

Small-scale structure in the fields of temperature, salinity, density, and/or velocity. The term microstructure refers in the ocean to structures of vertical scale smaller than 10 m, usually ...

microscale

Weather; Meteorology

Atmospheric motions with Lagrangian Rossby numbers greater than 200 or spatial scales 2 km or less.

microseism

Weather; Meteorology

A collective term for small motions in the earth that are unrelated to an earthquake and that have a period of 1. 0–9. 0 s. They are caused by a variety of natural and artificial agents. Certain ...