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  2. Swale (landform) - Wikipedia

    en.wikipedia.org/wiki/Swale_(landform)

    A swale is a shady spot, or a sunken or marshy place. [1] In US usage in particular, it is a shallow channel with gently sloping sides. Such a swale may be either natural or human-made. Artificial swales are often infiltration basins, designed to manage water runoff, filter pollutants, and increase rainwater infiltration. [2]

  3. Trench drain - Wikipedia

    en.wikipedia.org/wiki/Trench_drain

    A trench drain (also known as a channel drain, line drain, slot drain, linear drain, or strip drain) is a specific type of floor drain featuring a trough- or channel-shaped body. It is designed for the rapid evacuation of surface water or for the containment of utility lines or chemical spills.

  4. Trench - Wikipedia

    en.wikipedia.org/wiki/Trench

    A gas main being laid in a trench. A trench is a type of excavation or depression in the ground that is generally deeper than it is wide (as opposed to a swale or a bar ditch), and narrow compared with its length (as opposed to a simple hole or pit). [1] In geology, trenches result from erosion by rivers or by geological movement of tectonic ...

  5. This Drain Mistake Could Be Costly - AOL

    www.aol.com/drain-mistake-could-costly-205600754...

    A French drain is a trench that diverts water away from an area where it's pooling to a lower elevation where it can be released, explains Mike Arnold, director of The Gardens at Texas A&M ...

  6. Percolation trench - Wikipedia

    en.wikipedia.org/wiki/Percolation_trench

    To function properly, a trench must be designed with a pretreatment structure such as a grass channel or swale, in order to capture sediment and avoid clogging the trench. [4] It may not be appropriate for sites where there is a possibility of groundwater contamination, or where there is soil with a high clay content that could clog the trench. [5]

  7. Ditch - Wikipedia

    en.wikipedia.org/wiki/Ditch

    A ditch is a small to moderate trench created to channel water. A ditch can be used for drainage, to drain water from low-lying areas, alongside roadways or fields, or to channel water from a more distant source for plant irrigation. Ditches are commonly seen around farmland, especially in areas that have required drainage, such as The Fens in ...

  8. Land drains - Wikipedia

    en.wikipedia.org/wiki/Land_drains

    Traditionally, land drains were formed in clay soils and peats by excavating a trench and forming a "tunnel" using flat stones. This was very labour-intensive but could often be done using free materials at hand. Typically they were two to three feet (600mm-900mm) below the surface.

  9. Flume - Wikipedia

    en.wikipedia.org/wiki/Flume

    Some varieties of flumes are used in measuring water flow of a larger channel. When used to measure the flow of water in open channels, a flume is defined as a specially shaped, fixed hydraulic structure that under free-flow conditions forces flow to accelerate in such a manner that the flow rate through the flume can be characterized by a level-to-flow relationship as applied to a single head ...

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