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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 
catena
Earth science; Soil science
A sequence of soils of about the same age, derived from similar parent material, and occurring under similar climatic conditions, but having different characteristics due to ...
niche
Earth science; Soil science
(i) The particular role that a given species plays in the ecosystem; (ii) The physical space occupied by an organism.
hyperthermic
Earth science; Soil science
A soil temperature regime that has mean annual soil temperatures of 22°C or more and >5°C difference between mean summer and mean winter soil temperatures at 50 cm below the ...
lime-pan
Earth science; Soil science
A hardened layer cemented by calcium carbonate. Better term may be caliche.
drain
Earth science; Soil science
(i) To provide channels, such as open ditches or drain tile, so that excess water can be removed by surface or by internal flow. (ii) To lose water (from the soil) by ...
hydric soils
Earth science; Soil science
A soil that formed under conditions of saturation, flooding, or ponding long enough during the growing season to develop anaerobic conditions in the upper part (Federal Register, ...
friction cone penetrometer
Earth science; Soil science
A cone penetrometer with the additional capacity of measuring the local side-friction component of penetration resistance. The resistance to penetration developed by the friction ...
Sub-categories
- Geology (10953)
- Mapping science (105290)
- Oceanography (12332)
- Physical oceanography (42660)
- Remote sensing (8661)
- Seismology (14406)
- Soil science (29216)