: a low-lying or depressed and often wet stretch of land also : a shallow depression on a golf course.
A: A swale is simply a shallow ditch that is used to carry off water. Swales are often so wide and so shallow that you do not notice them. On most city lots, where homes are 10 to 15 feet apart, there is a swale between the homes. Such swales collect water from the roofs and yards and carry it to the street.
The swale is vegetated with flood tolerant, erosion resistant plants. The design of grassed swales promotes the conveyance of storm water at a slower, controlled rate and acts as a filter medium removing pollutants and allowing stormwater infiltration.
(also slew or slue), swamp, swampland, wash, wetland.
In simple terms, they are generally shallow ditches that have gently sloping sides. … While it might seem like our drought-prone state would not need much in the way of excess water management, drainage swales are a critical part of flood prevention and help keep our ground water cleaner.
Six- to 12-inches deep
There are no hard rules about the size of a swale, but the bigger it is the more water it can absorb during a rainstorm. Six- to 12-inches deep and 3- to 4-feet wide are typical dimensions. Smooth out the shape of the berm with a hard metal rake to form a planting bed.Nov 17, 2015
The swale must slope downhill, and has to gradually get deeper, ideally sloping 1 inch for every 10 feet in length. It is best to map out the swale first on paper, and then to mark it on the ground with its runoff point at the end. Dig out the trench with a sturdy shovel.
A vegetated swale is a grass-lined depression that slows down runoff water velocity and infiltrates the water into the soil. Berms are low earthen walls adjacent to ditches that can be used to help retain runoff in a designated area along the downhill side of the locaon.
noun. A low area (especially a marshy area between ridges).
Antonyms. natural elevation. trough.
Opposite of a low area of land between hills or mountains, typically with a river or stream flowing through it. hill. mountain. rise. fullness.
Some common synonyms of slough are cast, discard, junk, scrap, and shed. While all these words mean “to get rid of,” shed and slough imply a throwing off of something both useless and encumbering and often suggest a consequent renewal of vitality or luster.
Swales, like any catchment, are a means of stopping water runoff, especially from roads and hard surfaces, and putting it to use rather than having it drain away. Using swales for these reasons can prevent both floods and droughts, which make them a pretty powerful tool.
You can also use swales to carry water between sustainable urban drainage systems (SUDS) features instead of using pipes. This can reduce the cost of construction and maintenance. Swales can be used for linking SuDS dealing with run-off from individual sites and SuDS that manage the run-off from large areas.
Swales is an English surname. It either derives from the River Swale or Swallow Hill. Notable people with the surname include: Alonzo Swales (1870–1952), British trade unionist.
A canyon is a deep, narrow valley surrounded by tall cliffs. The noun canyon refers to a deep ravine that has been cut into the earth’s surface over a long period of time by erosion from a running river. Also known as a gorge, it usually has very steep walls with rocky cliffs.
1 : an unfilled space : cavity, hole in the hollow of a tree. 2 : a depressed or low part of a surface especially : a small valley or basin.
is that swamp is a piece of wet, spongy land; low ground saturated with water; soft, wet ground which may have a growth of certain kinds of trees, but is unfit for agricultural or pastoral purposes while slough is the skin shed by a snake or other reptile or slough can be (british) a muddy or marshy area.
Slough pronounced sluff is the term for shedding skin, like snakes do. Slough meaning wet, swampy ground can be pronounced either sloo or slou (rhymes with cow). Dictionary.com prefers slou, while the American Heritage Dictionary prefers sloo.
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