Meteorology

Meteorology

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

Contributors in Meteorology

Meteorology

Sea ice that has survived more than two summer melt seasons. Such ice is typically 3 m or more thick, is less saline, and has smoother hummocks and ridges than does younger ice. Undeformed multiyear ...

multispectral scanner

Weather; Meteorology

A remote sensing device that is capable of recording data in several bands of the electromagnetic spectrum.

multiplexor

Weather; Meteorology

A device to collect a variety of data and then interleave the data into a single record or onto a telecommunications link. The reverse device is a demultiplexor.

multispectral remote sensing

Weather; Meteorology

Remote sensing in two or more spectral bands simultaneously, such as visible and infrared.

multiple-trip echo

Weather; Meteorology

In pulsed radar, an echo from a given transmitted pulse that is not received until transmission of one or more additional pulses. Such echoes appear on a display at the wrong range because of range ...

multiple-phase flow

Weather; Meteorology

In a porous medium, the simultaneous flow of at least two immiscible fluids. Compare miscible displacement.

multiple-purpose reservoir

Weather; Meteorology

A reservoir designed and operated to serve two or more purposes, such as flood control, hydroelectric power, navigation, irrigation, pollution control, water supply, and recreation.