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Earth science

Any of several geological sciences that are concerned with the earth, its origins, and all of its various structures and physical forms and phenomena.

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Earth science > Geology

alonso model

Earth science; Geology

This is the concept of bid rents whereby the urban dweller is willing to accept a location further from the city centre if rents are lower. This is an explanation of urban land ...

ceilometer

Earth science; Geology

An automatic, recording, cloud-height indicator. A light beam is projected upward on to the cloud base; the reflected light is detected by a photocell and the height is determined ...

annual snowline

Earth science; Geology

A term used by glaciologists (scientists who study glacier) for the boundary where the amount of snow loss from melting equals the amount of snow accumulation from snowfall (also ...

bitumen

Earth science; Geology

Any of a group of solid and semi-solid hydrocarbons that can be converted into liquid form by heating. Bitumens can be refined to produce such commercial products as gasoline, ...

bergeron-findeison process

Earth science; Geology

A method of explaining how rain is formed at extremely low temperatures. Rain is formed in this process when water coalesces around ice crystals in clouds. This is used as the ...

continental shelf

Earth science; Geology

The portion of the continental margin that extends as a gently sloping surface from the shoreline seaward to a marked change in slope at the top of the continental slope . Seaward ...

adaptive radiation

Earth science; Geology

Evolutionary diversification of a taxon's morphology, ecology, physiology, behavior and other characteristics over a geologically short time interval leading to the appearance of ...