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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 
thermic
Earth science; Soil science
A soil temperature regime that has mean annual soil temperatures of 15°C or more but 5°C difference between mean summer and mean winter soil temperatures at 50 cm below the ...
geographic information system (GIS)
Earth science; Soil science
A method of overlaying large volumes of spatial data of different kinds. The data are referenced to a set of geographical coordinates and encoded in a form suitable for handling ...
electrical conductivity (EC)
Earth science; Soil science
1. Conductivity of electricity through water or an extract of soil. Commonly used to estimate the soluble salt content in solution. 2. The ability of the soil to conduct ...
siderophore
Earth science; Soil science
A nonporphyrin metabolite secreted by certain microorganisms that forms a highly stable coordination compound with iron. There are two major types: catecholate and hydroxamate.
pressure membrane
Earth science; Soil science
A membrane, permeable to water and only very slightly permeable to gas when wet, through which water can escape from a soil sample in response to a pressure gradient.
lava flow
Earth science; Soil science
A solidified body of rock formed from the lateral, surficial outpouring of molten lava from a vent or fissure, often lobate in form.
bar
Earth science; Soil science
(i) A generic term for ridge-like accumulations of sand , gravel, or other unconsolidated material formed in the channel, along the banks, or at the mouth of a streams or formed ...
Sub-categories
- Geology (10953)
- Mapping science (105290)
- Oceanography (12332)
- Physical oceanography (42660)
- Remote sensing (8661)
- Seismology (14406)
- Soil science (29216)