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  2. Dry well - Wikipedia

    en.wikipedia.org/wiki/Dry_well

    The depth of the dry well allows the water to penetrate soil layers with poor infiltration such as clays into more permeable layers of the vadose zone such as sand. [7] [8] Simple dry wells consist of a pit filled with gravel, riprap, rubble, or other debris. Such pits resist collapse but do not have much storage capacity because their interior ...

  3. Hydrodynamic separator - Wikipedia

    en.wikipedia.org/wiki/Hydrodynamic_separator

    Installation of a hydrodynamic separator along an Arizona highway. In civil engineering (specifically hydraulic engineering), a hydrodynamic separator (HDS) is a stormwater management device that uses cyclonic separation to control water pollution.

  4. Injection well - Wikipedia

    en.wikipedia.org/wiki/Injection_well

    Deep injection well for disposal of hazardous, industrial and municipal wastewater; a "Class I" well under USEPA regulations. [1]An injection well is a device that places fluid deep underground into porous rock formations, such as sandstone or limestone, or into or below the shallow soil layer.

  5. Soil structure - Wikipedia

    en.wikipedia.org/wiki/Soil_structure

    Soil structure describes the arrangement of the solid parts of the soil and of the pore spaces located between them (Marshall & Holmes, 1979). [1] Aggregation is the result of the interaction of soil particles through rearrangement, flocculation and cementation.

  6. Percolation trench - Wikipedia

    en.wikipedia.org/wiki/Percolation_trench

    Percolation Trench. A percolation trench, also called an infiltration trench, is a type of best management practice (BMP) that is used to manage stormwater runoff, prevent flooding and downstream erosion, and improve water quality in an adjacent river, stream, lake or bay.

  7. Soil mechanics - Wikipedia

    en.wikipedia.org/wiki/Soil_mechanics

    soil composition (basic soil material): mineralogy, grain size and grain size distribution, shape of particles, pore fluid type and content, ions on grain and in pore fluid. state (initial): Defined by the initial void ratio, effective normal stress and shear stress (stress history). State can be describd by terms such as: loose, dense ...

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  9. Soil formation - Wikipedia

    en.wikipedia.org/wiki/Soil_formation

    Soil formation, also known as pedogenesis, is the process of soil genesis as regulated by the effects of place, environment, and history.

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