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Potential energy of water per unit volume relative to water in known conditions
Water potential is the potential energy of water per unit volume relative to pure water in reference conditions. Water potential quantifies the tendency
Water_potential
Currently unrealized ability
related to Potential. Look up potential in Wiktionary, the free dictionary. Potential difference (voltage) Potential energy Water potential Giorgio Agamben
Potential
Type of turbine
A water turbine is a rotary machine that converts kinetic energy and potential energy of water into mechanical work. Water turbines were developed in the
Water_turbine
Instrument for measuring water potential of plant tissue
Scholander bomb is an instrument that can measure the approximate water potential of plant tissues. A leaf and petiole or stem segment is placed inside
Scholander_pressure_bomb
Process of water movement through a plant
driven by water potential differences. If the water potential in the ambient air is lower than that in the leaf airspace of the stomatal pore, water vapor
Transpiration
Measure of the tendency of a substance to gain or lose electrons
as a potential difference between a solute and pH neutral water, separated by porous membrane (that is permeable to hydrogen ions). Such potential differences
Reduction_potential
Measure of water potential across a semi-permeable cell membrane
tonicity is a measure of the effective osmotic pressure gradient; the water potential of two solutions separated by a partially-permeable cell membrane.
Tonicity
Relationship between water and soil
Water retention curve is the relationship between the water content, θ, and the soil water potential, ψ. The soil moisture curve is characteristic for
Water_retention_curve
Hydrostatic force in plants, fungi and also walled bacteria and protists
total water potential, Ψw, and the osmotic potential, Ψs, are known in a water potential equation. These equations are used to measure the total water potential
Turgor_pressure
Water distributed in a plastic bag
to water in communities that otherwise would not have it. However, some scholars have identified this method of distribution as having potential human
Water_sachet
Topics referred to by the same term
of membrane potential range from –40 mV to –80 mV Water potential, the potential energy of water per unit volume relative to pure water in reference
Potential_(disambiguation)
Amount of evaporation
Potential evapotranspiration (PET) or potential evaporation (PE) is the amount of water that would be evaporated and transpired by a specific crop, soil
Potential_evapotranspiration
Difference in electric potential between two points in space
also known as (electrical) potential difference, electric pressure, or electric tension, is the difference in electric potential between two points. In a
Voltage
Aspect of computational chemistry
In computational chemistry, a water model is used to simulate and thermodynamically calculate water clusters, liquid water, and aqueous solutions with explicit
Water_model
Absorption of liquid by a colloid
increase in volume. Water surface potential movement takes place along a concentration gradient; some dry materials absorb water. A gradient between the
Imbibition
water potential that are caused by environmental stress like drought or wounding. The cohesion and tension properties of water allow for these water potential
Hydraulic_signaling_in_plants
Movement of molecules to lower concentration
membrane from a region of high water potential (region of lower solute concentration) to a region of low water potential (region of higher solute concentration)
Osmosis
Penultimate letter in the Greek alphabet
and the supergolden ratio The second Chebyshev function Water potential in movement of water between plant cells In biochemistry, it denotes pseudouridine
Psi_(Greek)
Chemical compound of hydrogen and oxygen
of water at these ages. If oceans existed earlier than this, any geological evidence has yet to be discovered (which may be because such potential evidence
Water
Transverse osmotic pressure within the cells of a root system
the water potential. Water then diffuses from the soil into the root xylem due to osmosis. Root pressure is caused by this accumulation of water in the
Root_pressure
through the pathway. The low water potential of the atmosphere, and relatively higher (i.e. less negative) water potential inside leaves, leads to a diffusion
Soil-plant-atmosphere continuum
Soil-plant-atmosphere_continuum
Energy held by an object because of its position relative to other objects
In physics, potential energy is the energy of an object or system due to the body's position relative to other objects, or the configuration of its particles
Potential_energy
Soft calcium sulfate mineral
in acidic soils. It also improves soil structure, water absorption, and aeration. Soil water potential monitoring: a gypsum block can be inserted into the
Gypsum
Life process in plants
water potential is low than the soil water. If stated, water potential is comparatively positive in the soil water. This gradient of water potential causes
Absorption_of_water
Intensive physical property of substances
electrostatics. Electrochemical potential is expressed in the unit of J/mol. Each chemical species (for example, "water molecules", "sodium ions", "electrons"
Electrochemical_potential
_{i}>\theta _{f}} ). It is calculated by integrating the water retention curve, soil water potential ψ ( θ ) {\displaystyle \psi (\theta )} with respect to
Integral_energy
Active control of osmotic pressure to maintain homeostasis
basins. They have to absorb water from such a soil which has higher salt concentration and therefore lower water potential(higher osmotic pressure). Halophytes
Osmoregulation
Concept in thermodynamics
reference point for potential temperature in the ocean is usually at the ocean's surface which has a water pressure of 0 dbar. The potential temperature in
Potential_temperature
Water purification process
solute concentration (high water potential), through a membrane, to an area of high solute concentration (low water potential). The driving force for the
Reverse_osmosis
Model of intermolecular interactions
Lennard-Jones potential (also termed the LJ potential or 12-6 potential; named for John Lennard-Jones) is an intermolecular pair potential. Out of all the
Lennard-Jones_potential
Rate of gas exchange and transpiration in plants
osmotic potential of the cells, resulting in a decrease in water potential. Then, because water flows from a system with higher water potential to a system
Stomatal_conductance
Transport that does not require energy
movement of water molecules across a selectively permeable membrane from an area of high water potential to an area of low water potential. A cell with
Passive_transport
of root hairs maximizes surface area so that more water can enter. There is greater water potential in the soil than in the cytoplasm of the root hair
Transpiration_stream
Concept in quantum mechanics
valleys. Then a potential well would be a valley surrounded on all sides with higher terrain, which thus could be filled with water (e.g., be a lake)
Potential_well
Device used to measure matric water potential
soil science is a measuring instrument used to determine the matric water potential ( Ψ m {\displaystyle \Psi _{m}} ) (soil moisture tension) in the vadose
Tensiometer_(soil_science)
ions: Streaming potential (Ek) Electrochemical potential (Ec) Streaming potential originates from the flow of an electrolyte (water) over naturally charged
Spontaneous_potential
Ratio of the electrical charge to the radius of an ion
with a lower ionic potential than Fe3+ is much more soluble because it exerts a weaker interaction force with OH− ion present in water and exhibits a less
Ionic_potential
Traditional Chinese food from Guangdong
lower water potential—than the fluid of the fish tissue, osmosis will occur. Water molecules will pass from the fish tissue (higher water potential) into
Cantonese_salted_fish
Entity speculated to become a superpower
A potential superpower, or emerging superpower, is a sovereign state or other polity that is widely speculated to have the potential to become a superpower–a
Potential_superpower
Velocity field as the gradient of a scalar function
allowing the use of potential flow for various applications; these include flow around aircraft, groundwater flow, acoustics, water waves, and electroosmotic
Potential_flow
Mechanism creating a concentration gradient
(with a lower water potential). This is the filtrate that continues to the ascending limb. The ascending limb is impermeable to water (because of a lack
Countercurrent_multiplication
Growth of a plant in response to a water stimulus
caps for signals of water potential gradients. Receptor-like kinases (RLKs) appear to be responsible for this sensing of water potential gradients because
Hydrotropism
water uptake under heterogeneous water potential. It controls the root water uptake in a soil where the water potential is not uniform. Standard Uptake
Compensatory_conductance
Ion which negates another oppositely-charged ion in an ionic molecule
the anion malate is often accumulated in the vacuole to decrease water potential and drive cell expansion. To maintain neutrality, K+ ions are often
Counterion
Simplified approach for understanding fluid motions in a rotating system
later named the shallow water potential vorticity. For an atmosphere with multiple layers, with each layer having constant potential temperature, the above
Potential_vorticity
Instrument to measure soil water content
estimate volumetric water content. Another class of sensors measure another property of moisture in soils called water potential; these sensors are usually
Soil_moisture_sensor
Water transport tissue in vascular plants
pressure or tension in the xylem that pulls the water from the roots and soil. Root pressure: If the water potential of the root cells is more negative than that
Xylem
Change in energies of a thermodynamic system with respect to particle number
the solid phase (ice) has a higher chemical potential than a water molecule that is in the liquid phase (water) above 0 °C. When some of the ice melts, H2O
Chemical_potential
In Iran, water scarcity is caused by high climatic variability, uneven distribution of water, over exploitation of available water resources, and prioritization
Water_scarcity_in_Iran
Swollen or thickened leaf base
decreases the water potential and triggers the efflux of potassium ions from the surrounding cells. This is followed by an efflux of water, resulting in
Pulvinus
Electrokinetic potential in colloidal dispersions
The streaming potential is also the primary electrokinetic phenomenon for the assessment of the zeta potential at the solid material-water interface. A
Zeta_potential
Quantity of water contained in a material
lower water content in a very non-linear fashion. A water retention curve is the relationship between volumetric water content and the water potential of
Water_content
Exudations of xylem sap
moisture level, water will enter plant roots, because the water potential of the roots is lower than in the soil solution. The water will accumulate in
Guttation
Form of abiotic stress
turgor pressure. Moisture stress is described by two main metrics, water potential and water content. Moisture stress has an effect on stomatal opening, mainly
Moisture_stress
Measure of the tendency of a solution to take in pure solvent by osmosis
the inward flow of its pure solvent across a semipermeable membrane. Potential osmotic pressure is the maximum osmotic pressure that could develop in
Osmotic_pressure
Relationship between water potential and relative water content
between total water potential (Ψt) and relative water content (R) of living organisms. These values are widely used in research on plant-water relations and
Pressure-volume_curves
American academic and chemical engineer
device for continuous measurements of stem water potential. He has published research on plant physiology and water dynamics, including multi-scale mathematical
Abraham_Stroock
Water content of the soil
The potential energy of water per unit volume relative to pure water in reference conditions is called water potential. Total water potential is a sum
Soil_moisture
Species of plant
drought stress. In terms of negative water potential, creosote bushes can operate fully at −50 bars of water potential and have been found living down to
Larrea_tridentata
Pressure of groundwater held within a soil or rock, in gaps between particles
potential ( Ψ m {\displaystyle \Psi _{m}} ) (soil moisture tension) in the vadose zone. An ISO standard, "Soil quality — Determination of pore water pressure
Pore_water_pressure
UK water company
Thames Water Utilities Limited, trading as Thames Water, is a British private utility company responsible for the water supply and waste water treatment
Thames_Water
Data values of standard electrode potential
amalgam; bold – water electrolysis equations. Galvanic series lists electrode potentials in saltwater Standard apparent reduction potentials in biochemistry
Standard electrode potential (data page)
Standard_electrode_potential_(data_page)
River in East Central India
agriculture. Average annual surface water potential of 66.9 km3 has been assessed in this basin. Out of this, 50.0 km3 is usable water. Culturable area in the basin
Mahanadi
Theoretical chemist
(2013-12-10). "Development of a "First Principles" Water Potential with Flexible Monomers: Dimer Potential Energy Surface, VRT Spectrum, and Second Virial
Francesco_Paesani
definition of potential density dynamically meaningful. Reference pressures are often chosen as a whole multiple of 100 bar; for water near a pressure
Potential_density
Electricity-induced chemical reaction
water conducts current poorly, 0.055 μS/cm. Unless a large potential is applied to increase the autoionization of water, electrolysis of pure water proceeds
Electrolysis_of_water
Study of soil's physical properties and processes
distribution above a water table. Lorenzo A. Richards (1904–1993) General transport of water in unsaturated soil, measurement of soil water potential using tensiometer
Soil_physics
of water and an estimated 2.6–6.5 billion m3 of ground water potential. This corresponds to an average of 1,575 m3 of physically available water per
Water supply and sanitation in Ethiopia
Water_supply_and_sanitation_in_Ethiopia
Physical law in electrochemistry
calculation of the reduction potential of a reaction (half-cell or full cell reaction) from the standard electrode potential, absolute temperature, the
Nernst_equation
Measure of the level of acidity or basicity of an aqueous solution
determined using a concentration cell with transference by measuring the potential difference between a hydrogen electrode and a standard electrode such
PH
stomata. Excess sodium in the soil limits the uptake of water due to decreased water potential, which may result in wilting; similar concentrations in
Sodium_in_biology
Paired cells that control the stomatal aperture
concentration causing the water potential to decrease. The negative water potential allows for osmosis to occur in the guard cell, so that water enters, allowing
Guard_cell
Topics referred to by the same term
its microstructure Water potential, denoted Ψ, in physical chemistry, the potential energy of a water solution relative to pure water Wave function, denoted
Psi
Type of electrical storage device
a type of energy storage device that stores gravitational energy—the potential energy given to an object when it is raised against the force of gravity
Gravity_battery
Proposed interstate water pipelines to California include interbasin transfer projects to divert water from other Western states and provinces, including
Proposed interstate water pipelines to California
Proposed_interstate_water_pipelines_to_California
Potentially fatal overhydration
Water intoxication, also known as water poisoning, hyperhydration, overhydration, or water toxemia, is a potentially fatal disturbance in brain functions
Water_intoxication
water systems was drinking water disinfected, and only 3% of collected wastewater was treated. The country has water resources for a water potential of
Water supply and sanitation in Honduras
Water_supply_and_sanitation_in_Honduras
In plants, a variable pore between paired guard cells
increase in solute concentration lowers the water potential inside the cell, which results in the diffusion of water into the cell through osmosis. This increases
Stoma
Condition caused by overuse of water resources
and potentially irreversible human-water systems' failure from more familiar concepts such as water scarcity, water stress, or water crisis. Water bankruptcy
Water_bankruptcy
supply water to the public. Water corporations have identified United States public systems as potentially profitable. These are United Water, a subsidiary
Water privatization in the United States
Water_privatization_in_the_United_States
Water-air emulsion that combines water droplets and silica coating
2006, new work with dry water from the University of Hull increased interest in its potential use in other fields. Dry water can be made by blending a
Dry_water
water uptake of a plant in a soil with a uniform water potential. The SUF gives the ratio coefficient to obtain the equivalent soil water potential sensed
Standard_Uptake_Fraction
Topics referred to by the same term
liquids Tensiometer (soil science) an instrument to determine matric water potential This disambiguation page lists articles associated with the title Tensiometer
Tensiometer
American physicist
the energy status of soil water, and he led the way in developing new and improved methods of measuring soil water potential. Early in his career, Richards
Lorenzo_A._Richards
Conflict over an access to water resources
Water conflict typically refers to violence or disputes associated with access to, or control of, water resources, or the use of water or water systems
Water_conflict
American physicist
is now known as the moisture or water potential (matric potential). He combined capillary theory and an energy potential in soil physics theory, and was
Edgar_Buckingham
Instruments measuring photosynthetic rates
Reynard, D.; White, B.; Schroeder, W. (2009). "Leaf gas exchange and water potential responses to drought in nine poplar (Populus spp.) clones with contrasting
Photosynthesis_system
improvements in the efficiency of CII water use, it is necessary to obtain information about the existing conservation potential in different types of establishments
Nonresidential water use in the U.S.
Nonresidential_water_use_in_the_U.S.
When potential energy difference depends only on displacement
In mathematical physics, scalar potential describes the situation where the difference in the potential energies of an object in two different positions
Scalar_potential
Equation describing evaporation
to estimate evaporation from water, and land. Specifically the Penman–Monteith equation refines weather based potential evapotranspiration (PET) estimates
Penman_equation
Inhibition of microbial growth in food
increases the solute concentration in the food and hence decreases its water potential, the food becomes inhospitable for the microbial growth that causes
Food_preservation
Gaseous phase of water
vapor, water vapour, or aqueous vapor is the gaseous phase of water. It is one state of water within the hydrosphere. Water vapor can be produced from
Water_vapor
Study of chemical characteristics of soil
a higher water potential to a lower water potential, this can result in capillarity activity and gravitational force occurring with the water due to adhesion
Soil_chemistry
Sources of water that are potentially useful for humans
moisture) (0.70%) Directly accessible water (0.30%) Water resources are natural resources of water that are potentially useful for humans. For example, they
Water_resources
"Mexico water shortage becomes crisis amid drought", Los Angeles Times. Retrieved 10 September 2011 Easter, K William, 1998. Markets for Water, Potential and
Water_scarcity_in_Mexico
Dependence of the state of a system on its history
matric water potential and water content is the basis of the water retention curve. Matric potential measurements (Ψm) are converted to volumetric water content
Hysteresis
Quantity in atmospheric thermodynamics
atmosphere), even if water vapor condenses during that pressure change. It is therefore more conserved than the ordinary potential temperature, which remains
Equivalent potential temperature
Equivalent_potential_temperature
Power generation via movement of water
machines. This is achieved by converting the gravitational potential or kinetic energy of a water source to produce power. Hydropower is a method of sustainable
Hydropower
Super-Earth orbiting LHS 1140
hydrogen-rich atmosphere, supporting the ocean world scenario. A potential detection of water vapor in the atmosphere of LHS 1140 b was made in late 2020 with
LHS_1140_b
to separate a solvent (for example, fresh water) from a solution that is more concentrated (e.g. sea water) and also pressurized. A semipermeable membrane
Pressure-retarded_osmosis
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