Fetch

Fetch

The area in which ocean waves are generated by the wind. It is generally delineated by coast lines, fronts , or areas of wind curvature or divergence.

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Part of Speech: noun
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Industry/Domain: Earth science
Category: Oceanography
Company: Marine Conservation Society
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fetch

Natural environment; Coral reefs

The uninterrupted distance over which the wind blows (measured in the direction of the wind) without a significant change of direction.

fetch

Computer; Software; Software engineering

To locate and load computer instructions or data from storage.

fetch

Earth science; Physical oceanography

In surface gravity wave generation theories, the length of water over which a wind is blowing. The wave height is completely determined in such theories by the fetch, the duration ...

fetch

Engineering; Electronic engineering

An operation in a computer run in which the location of the next instruction is taken from memory and changed if necessary; it then goes to the control register.

fetch

Energy; Hydro dam; Dam safety

The-straight-line distance across a body of water subject to wind forces. The fetch is one of the factors used in calculating wave heights in a reservoir.

placer

Earth science; Oceanography

A layer of minerals laid down by flowing water. People who pan for gold search through placers.

reef

Earth science; Oceanography

An underwater ridge of rock that rises up to or near the surface. Reefs are important ecosystems that provide home for sea life.

aquascape

Earth science; Oceanography

A scenic view of a body of water; an area having a natural or constructed aquatic feature (as a pond or fountain).

equatorial rossby wave

Earth science; Oceanography

An equatorially trapped westward propagating wave that moves due to isentropic gradients of potential vorticity. The meridional velocity of the n'th mode of these waves has the ...

blackbody radiator

Earth science; Oceanography

A hypothetical, ideal radiator that totally absorbs and reemits all energy incident upon it. Actual objects only approach this ideal.

shear instability

Earth science; Oceanography

An instability of an unbounded parallel shear flow to the growth and nonlinear development of waves with phase speed in the along flow direction approximately equal to the speed ...

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