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

mesopore

Earth science; Soil science

A secondary pore class between macropores and micropores that contributes to water flow and solute movement by advection and diffusion.

aggregate

Earth science; Soil science

A group of primary soil particles that cohere to each other more strongly than to other surrounding particles.

water drop penetration time (WDPT)

Earth science; Soil science

A measure of soil water repellency which uses the imbibition time of drops of prescribed aqueous solutions as a discriminator.

olivine

Earth science; Soil science

A ferromagnesian silicate mineral with independent tetrahedral structure; (Mg, Fe)2SiO4.

soil permeability

Earth science; Soil science

(i) The ease with which gases, liquids, or plant roots penetrate or pass through a bulk mass of soil or a layer of soil. Since different soil horizons vary in permeability, the ...

photomap

Earth science; Soil science

A mosaic map made from aerial photographs with physical and cultural features, marginal data, and other map information as shown on a planimetric map.