Earth science

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 > Soil science

saturate

Earth science; Soil science

(i) To fill all the voids between soil particles with a liquid. (ii) To form the most concentrated solution possible under a given set of physical conditions in the presence of ...

escarpment

Earth science; Soil science

A relatively continuous cliff or relatively steep slope, produced by erosion or faulting, breaking the general continuity of more gently sloping land surfaces. The term is most ...

aquitard

Earth science; Soil science

A body of rock or sediment that retards but does not prevent the flow of water to or from an adjacent aquifer. It does not readily yield water to wells or springs but may serve ...

alkali soil

Earth science; Soil science

(i) A soil with a pH of 8. 5 or higher or with a exchangeable sodium ratio greater than 0. 15. (ii) A soil that contains sufficient sodium to interfere with the growth of most ...

entropy

Earth science; Soil science

A measure of the unavailable energy in a system.

basic slag

Earth science; Soil science

A by-product in the manufacture of steel, containing lime, phosphorus, and small amounts of other plant nutrients such as sulfur, manganese, and iron.