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

soil column

Earth science; Soil science

An isolation volume of soil used to conduct one-dimentional flow and transport studies.

biostimulation

Earth science; Soil science

Addition of nutrients to contaminated soil to stimulate indigenous microorganisms to carry out bioremediation.

buried soil

Earth science; Soil science

Soil covered by an alluvial, loessal, or other surface mantle of more recent depositional material, usually to a depth greater than 50 cm.

sepiolite

Earth science; Soil science

Si12Mg8O30 (OH) 4 (OH2)•8H2) A fibrous clay mineral composed of two silica tetrahedral sheets and one magnesium octahedral sheet that make up the 2:1 layer. The 2:1 layers occur ...

soil family

Earth science; Soil science

In soil classification one of the categories intermediate between the subgroup and the soil series. Families provide groupings of soils with ranges in texture, mineralogy, ...

ultisols

Earth science; Soil science

Mineral soils that have an argillic horizon with a base saturation of <35% when measured at pH 8. 2. Ultisols have a mean annual soil temperature of 8°C or higher. (An order in ...