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  2. Specific storage - Wikipedia

    en.wikipedia.org/wiki/Specific_storage

    These properties are storativity (S), specific storage (S s) and specific yield (S y). According to Groundwater, by Freeze and Cherry (1979), specific storage, [m −1], of a saturated aquifer is defined as the volume of water that a unit volume of the aquifer releases from storage under a unit decline in hydraulic head. [1]

  3. Water retention curve - Wikipedia

    en.wikipedia.org/wiki/Water_retention_curve

    Water retention curve is the relationship between the water content, θ, and the soil water potential, ψ. The soil moisture curve is characteristic for different types of soil, and is also called the soil moisture characteristic. It is used to predict the soil water storage, water supply to the plants (field capacity) and soil aggregate stability.

  4. Physical properties of soil - Wikipedia

    en.wikipedia.org/wiki/Physical_properties_of_soil

    The specific heat of soil increases as water content increases, since the heat capacity of water is greater than that of dry soil. [89] The specific heat of pure water is ~ 1 calorie per gram, the specific heat of dry soil is ~ 0.2 calories per gram, hence, the specific heat of wet soil is ~ 0.2 to 1 calories per gram (0.8 to 4.2 kJ per ...

  5. Soil water (retention) - Wikipedia

    en.wikipedia.org/wiki/Soil_water_(retention)

    Pores (the spaces that exist between soil particles) provide for the passage and/or retention of gasses and moisture within the soil profile.The soil's ability to retain water is strongly related to particle size; water molecules hold more tightly to the fine particles of a clay soil than to coarser particles of a sandy soil, so clays generally retain more water. [2]

  6. Available water capacity - Wikipedia

    en.wikipedia.org/wiki/Available_water_capacity

    He viewed that: the term availability involves two notions: (a) the ability of plant root to absorb and use the water with which it is in contact and (b) the readiness or velocity with which the soil water moves in to replace that which has been used by the plant. Plant available water in sandy soils can be increased by the presence of ...

  7. Soil moisture - Wikipedia

    en.wikipedia.org/wiki/Soil_moisture

    Of equal importance to the storage and movement of water in soil is the means by which plants acquire it and their nutrients. Most soil water is taken up by plants as passive absorption caused by the pulling force of water evaporating ( transpiring ) from the long column of water ( xylem sap flow) that leads from the plant's roots to its leaves ...

  8. Soil functions - Wikipedia

    en.wikipedia.org/wiki/Soil_functions

    Soils are the environment in which seeds grow, they provide heat, nutrients and water that are available to use to nurture plants and animals. The assistance of soil in the decomposition of dead plants, animals, and organism by transforming their remains into simpler mineral forms, can be utilized by other living things.

  9. Storage organ - Wikipedia

    en.wikipedia.org/wiki/Storage_organ

    Succulents are plants which are adapted to withstand periods of drought by their ability to store moisture in specialized storage organs. [8] Leaf succulents store water in their leaves, which are thus thickened, fleshy and typically covered with a waxy coating or fine hairs to reduce evaporation. They may also contain mucilaginous compounds.

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