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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 
apparent density
Earth science; Soil science
A term formerly used to designate the mass of dry soil (105°C) per unit volume.
finite difference
Earth science; Soil science
A numerical method in which the flow domain is discretizedinto nodal points such that the differential equations can be reformulated into a series of simple algebraic (finite ...
well drained
Earth science; Soil science
A soil drainage class characterized by the lack of any evidence of seasonal high water tables in the top 36 inches of the soil profile.
ectomycorrhiza
Earth science; Soil science
A mycorrhizal association in which the fungal mycelia extend inward, between root cortical cells, to form a network ("Hartig net") and outward into the surrounding soil. Usually ...
patterned ground
Earth science; Soil science
A general term for any ground surface exhibiting a discernibly ordered, more-or-less symmetrical, morphological pattern of ground and, where present, vegetation. Patterned ground ...
hygroscopic coefficient
Earth science; Soil science
The weight percentage of water held by, or remaining in, the soil (i) after the soil has been air-dried, or (ii) after the soil has reached equilibrium with an unspecified ...
undifferentiated group
Earth science; Soil science
A kind of map unit used in soil surveys comprised of two or more taxa components that are not consistently associated geographically. Delineations show the size, shape, and ...
Sub-categories
- Geology (10953)
- Mapping science (105290)
- Oceanography (12332)
- Physical oceanography (42660)
- Remote sensing (8661)
- Seismology (14406)
- Soil science (29216)