soil permeameter

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• Characterisation of pore space in soil — Soil is essential to most animals on the earth. It is a relatively thin crust where an even smaller portion contains much of the biological activity. Soil consists of three different phases. A solid phase (≈ 20%) that contains mainly minerals of… …   Wikipedia

• Disc permeameter — The disc permeameter is a field instrument used for measuring water infiltration in the soil, which is characterized by in situ saturated and unsaturated soil hydraulic properties. It is mainly used to provide estimates of the hydraulic… …   Wikipedia

• Geotechnical investigation — Geotechnical investigations are performed by geotechnical engineers or engineering geologists to obtain information on the physical properties of soil and rock around a site to design earthworks and foundations for proposed structures and for… …   Wikipedia

• Macropore — Macropores are large diameter (more than 50 nm, see macroporous materials) conduits in the soil, created by such agents as plant roots, soil cracks, or soil fauna. Macropores increase the hydraulic conductivity of the soil, allowing water to… …   Wikipedia

• Outline of hydrology — The following outline is provided as an overview of and topical guide to hydrology: Hydrology – study of the movement, distribution, and quality of water on Earth and other planets, including the hydrologic cycle, water resources and… …   Wikipedia

• Infiltrometer — is a device used to measure the rate of water infiltration into soil or other porous media. Commonly used infiltrometers are single ring or double ring infiltrometer. Others are the disc permeameter, and the sprinkler infiltrometer.The single… …   Wikipedia