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Soil physics
 
 
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Soil physics is the study of soil physical properties and processes. It is applied to management and prediction under natural and managed ecosystems. Soil physics deals with the dynamics of physical soil components and their phases
State of matter

States of matter are the distinct forms that different phase take on. Historically, the distinction is made based on qualitative differences in bulk properties....
 as solid
Solid

A solid object is in the states of matter characterized by resistance to deformation and changes of volume. In other words, it has high values both of Young's modulus and of shear modulus; this contrasts e.g....
s, liquid
Liquid

Liquid is one of the principal states of matter. A liquid is a fluid that has the particles loose and can freely form a distinct surface at the boundaries of its bulk material....
s, and gase
Gase

Gase is a village in the Tibet Autonomous Region of China....
s. It draws on the principles of physics
Physics

Physics is the natural science which examines basic concepts such as energy, force, and spacetime and all that derives from these, such as mass, charge, matter and its Motion ....
, physical chemistry
Physical chemistry

Physical chemistry is the application of physics to macroscopic, microscopic, atomic, subatomic, and particulate phenomena in chemical systems within the field of chemistry traditionally using the principles, practices and concepts of thermodynamics, quantum chemistry, statistical mechanics and kinetics....
, engineering
Engineering

Engineering is the discipline and profession of applying Technology and science knowledge and utilizing natural laws and physical resources in order to design and implement materials, structures, machines, devices, systems, and process that safely realize a desired objective and meet specified criteria....
, and meteorology
Meteorology

Meteorology is the interdisciplinary scientific study of the Earth's atmosphere that focuses on weather processes and forecasting . Studies in the field stretch back millennia, though significant progress in meteorology did not occur until the eighteenth century....
. It is especially important in this day and age because most farmers require an understanding of agroecosystems. Soil physics applies these principles to address practical problems of agriculture
Agriculture

Agriculture refers to the production of food and goods through farming and forestry. Agriculture was the key development that led to the rise of civilization, with the animal husbandry of domestication animals and plants creating food surpluses that enabled the development of more Population density and Social stratification societies....
, ecology
Ecology

Ecology is the science study of the distribution and Abundance of life and the interactions between organisms and their nature environment ....
, and engineering.







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Soil physics is the study of soil physical properties and processes. It is applied to management and prediction under natural and managed ecosystems. Soil physics deals with the dynamics of physical soil components and their phases
State of matter

States of matter are the distinct forms that different phase take on. Historically, the distinction is made based on qualitative differences in bulk properties....
 as solid
Solid

A solid object is in the states of matter characterized by resistance to deformation and changes of volume. In other words, it has high values both of Young's modulus and of shear modulus; this contrasts e.g....
s, liquid
Liquid

Liquid is one of the principal states of matter. A liquid is a fluid that has the particles loose and can freely form a distinct surface at the boundaries of its bulk material....
s, and gase
Gase

Gase is a village in the Tibet Autonomous Region of China....
s. It draws on the principles of physics
Physics

Physics is the natural science which examines basic concepts such as energy, force, and spacetime and all that derives from these, such as mass, charge, matter and its Motion ....
, physical chemistry
Physical chemistry

Physical chemistry is the application of physics to macroscopic, microscopic, atomic, subatomic, and particulate phenomena in chemical systems within the field of chemistry traditionally using the principles, practices and concepts of thermodynamics, quantum chemistry, statistical mechanics and kinetics....
, engineering
Engineering

Engineering is the discipline and profession of applying Technology and science knowledge and utilizing natural laws and physical resources in order to design and implement materials, structures, machines, devices, systems, and process that safely realize a desired objective and meet specified criteria....
, and meteorology
Meteorology

Meteorology is the interdisciplinary scientific study of the Earth's atmosphere that focuses on weather processes and forecasting . Studies in the field stretch back millennia, though significant progress in meteorology did not occur until the eighteenth century....
. It is especially important in this day and age because most farmers require an understanding of agroecosystems. Soil physics applies these principles to address practical problems of agriculture
Agriculture

Agriculture refers to the production of food and goods through farming and forestry. Agriculture was the key development that led to the rise of civilization, with the animal husbandry of domestication animals and plants creating food surpluses that enabled the development of more Population density and Social stratification societies....
, ecology
Ecology

Ecology is the science study of the distribution and Abundance of life and the interactions between organisms and their nature environment ....
, and engineering.

Prominent soil physicists

  • Edgar Buckingham
    Edgar Buckingham

    Edgar Buckingham was a physicist.He graduated from Harvard with a bachelor's degree in physics in 1887. He did additional graduate work at the University of Strasbourg and the University of Leipzig, where he studied under chemist Wilhelm Ostwald....
     (1867-1940)
The theory of gas diffusion in soil
Gas diffusion in soil

The air space in soil contains oxygen to provide for Respiration of plant roots and soil organisms. This air space could also contain carbon dioxide as a product of respiration of plant roots and soil organisms....
 and vadose zone
Vadose zone

The vadose zone, also termed the unsaturated zone, is the portion of Earth between the land surface and the phreatic or zone of saturation ....
 water flow in soil.
  • Lorenzo A. Richards
    Lorenzo A. Richards

    Lorenzo Adolph Richards or known as Ren was one of the 20th century?s most influential minds in the field of soil physics. Richards was born on April 24, 1904, in the town of Fielding, Utah, and received a B.S....
     (1904-1993)
General transport of water in unsaturated soil, measurement of soil water potential using tensiometer
Tensiometer

A tensiometer is a device used to determine matric water potential in the vadose zone. The tensiometer consists of a glass or plastic tube with a porous ceramic cup, and is filled with water....
.
  • John R. Philip
    John R. Philip

    John Robert Philip was an Australian soil physicist, internationally recognized for his contributions to the understanding of movement of water, energy and gases....
     (1927-1999)
Analytical solution to general soil water transport, Environmental Mechanics.


See also

  • Bulk density
    Bulk density

    Bulk density is a property of powders, granules and other "divided" solids, especially used in reference to soil. It is defined as the mass of many particles of the material divided by the total volume they occupy....
  • Capacitance probe
    Capacitance probe

    Capacitance sensors use capacitance to measure the dielectric permittivity of a surrounding medium. One application for such a device is measuring the water content of soil, where the volume of water in the total volume of soil most heavily influences the dielectric permittivity of the soil because the dielectric of water is much greater tha...
  • Frequency domain sensor
    Frequency domain sensor

    Frequency domain sensor is an instrument developed for measuring soil moisture content. The instrument has an oscillating circuit, the sensing part of the sensor is embedded in the soil, and the operating frequency will depend on the value of soil's dielectric constant....
  • Geotechnical engineering
    Geotechnical engineering

    Geotechnical engineering is the branch of civil engineering concerned with the engineering behavior of earth materials. Geotechnical engineering includes investigating existing subsurface conditions and materials; determining their physical/mechanical and chemical properties that are relevant to the project considered, assessing risks posed...
  • Irrigation
    Irrigation

    Irrigation is an artificial application of water to the soil usually for assisting in growing crops. In crop production it is mainly used in dry areas and in periods of rainfall shortfalls, but also to protect plants against frost....
  • Irrigation scheduling
    Irrigation scheduling

    Irrigation scheduling is the process used by irrigation system managers to determine the correct frequency and duration of watering.The following factors may be taken into consideration:...
  • Neutron probe
    Neutron probe

    A neutron probe is a device used to measure the quantity of water present in soil.A typical neutron probe contains a pellet of americium-241 and beryllium....
  • Porosity
    Porosity

    Porosity is a measure of the void spaces in a material, and is measured as a fraction, between 0?1, or as a percentage between 0?100%. The term is used in multiple fields including ceramics, metallurgy, materials, manufacturing, earth sciences and construction....
  • Soil mechanics
    Soil mechanics

    Soil mechanics is a discipline that applies principles of engineering mechanics, e.g. kinematics, dynamics, fluid mechanics, and mechanics of material, to predict the mechanical behavior of soils....
  • Soil moisture
  • Soil thermal properties
    Soil thermal properties

    The thermal properties of soil are a component of soil physics that has found important uses in engineering, climatology and agriculture. These properties influence how energy is partitioned in the soil profile....
  • Time domain reflectometer
  • Water content
    Water content

    Water content or moisture content is the quantity of water contained in a material, such as soil , Rock , ceramics, or wood on a volumetric or gravimetric basis....


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