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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 > Soil science 
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Earth science; Soil science
In Scotland and Ireland, gravel; in the USA, thin, flat rock fragments up to 150 mm on the long axis.
numerical methods model
Earth science; Soil science
Algorithms that use simplified arithmetic and logical operations to derive approximate solutions to complex formulas, such as differential equations, describing a soil process.
top dressing
Earth science; Soil science
An application of fertilizer to a soil surface, without incorporation, after the crop is established.
discontinuous permafrost
Earth science; Soil science
Permafrost occurring in some areas beneath the exposed land surface throughout a geographic region where other areas are free of permafrost.
anthropic epipedon
Earth science; Soil science
A surface layer of mineral soil that has the same requirements as the mollic epipedon with respect to color, thickness, organic carbon content, consistence and base saturation, ...
xerolls
Earth science; Soil science
Mollisols that have a xeric soil moisture regime. Xerolls may have a calcic, petrocalcic, or gypsic horizon, or a duripan.
consortia
Earth science; Soil science
Natural microbial assemblages of two or more species in which each microorganism benefits from the other. The group may collectively carry out some process (i.e., xenobiotic ...
Sub-categories
- Geology (10953)
- Mapping science (105290)
- Oceanography (12332)
- Physical oceanography (42660)
- Remote sensing (8661)
- Seismology (14406)
- Soil science (29216)