A good soil for infrastructure has the following properties: • balanced chemistry and neutral pH, so that building materials are not corroded; • stability through wetting and drying cycles, so that expanding soil does not crack roads or foundations; • strength under pressure, so that the weight of the building does not cause it to sink ...

Recap apturing and cleaning water. Soil texture, structure, and land coverings all have roles in determining how easily water will move through the soil to filter, store, and distribute water reduce runoff and flooding. The work of cleaning water is done by physical, chemi

Feb 15, 2020 · In many places around the world there are distinctly different soil colors, chemical properties, and human artifacts buried in floodplains. These allow scientists to reconstruct human occupation and land use history.

Certified Professional Soil Scientist (CPSS) and Associate Professional Soil Scientist (APSS) certifications set standards for knowledge, skills, and conduct that define the professions of soil science and soil classification.

soil physics The branch of soil science that deals with the physical properties of the soil, with emphasis on the state and transport of matter (especially water) and energy in the soil.

A soil profile is a vertical cross-section of all the soil horizons at a particular location and forms the basis for understanding and communicating all the soil properties.

Are you looking for a local soils expert? Someone who has been certified as having knowledge and experience? Then you need a certified professional from one of the certification programs of the Soil Science Society of America. You may search for: Certified Professional Soil Scientist (CPSS) Certified Professional Soil Classifier (CPSC)

horizons – Mineral soil, typically formed below an O, A, or E horizon that exhibits litle or no remnant rock structure, and has one or more of the following: illuvial accumulation of silicate …

aquic moisture regime [soil taxonomy] A reducing soil moisture regime that is virtually free of dissolved oxygen because it is saturated by groundwater or by water of the capillary fringe, and occurring at periods when the soil temperature at 50 cm below the surface is >5°C (5°C is considered to be “biological zero” in soil taxonomy).

microbiotic crust A thin, surface layer (crust) of soil particles bound together primarily by living organisms and their organic byproducts; thickness can range up from < 1 cm up to 10 cm; aerial coverage of the ground surface can range from 10 to 100%.