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A raceway is most often a rectangular canal with a water current flowing from a supply end to an exit end. The length to width ratio is important in raceways. To prevent the fish stock from swimming in circular movements, which would cause debris to build up in the centre, a length to width ratio of at least six to one is recommended. If the ...
Raceway pond used for the cultivation of microalgae. The water is kept in constant motion with a powered paddle wheel. A raceway pond is a shallow artificial pond used in the cultivation of algae. [1] [2] The pond is divided into a rectangular grid, with each rectangle containing one channel in the shape of an oval, like an automotive raceway ...
The pond is shaped like a rectangle and it is shallow with a small volume. It has a clay bottom. In 2007, it was about 140 metres (460 ft) long, about 50 metres (160 ft) wide, had a depth of 0.5 to 1.3 metres (1 ft 8 in to 4 ft 3 in), a surface area of 6,600 square metres (71,000 sq ft), and a volume of 5,000–7,700 cubic metres (180,000–270,000 cu ft). [20]
Hektorović's design for Tvrdalj was a simple layout of single story dwellings around a central courtyard. His house, kitchen and cellar opened onto the courtyard, which had a large rectangular fish pond. Above the pond was a tower, with dovecot. At the back of the property was a large walled garden.
The technical distinction between a pond and a lake has not been universally standardized. Limnologists and freshwater biologists have proposed formal definitions for pond, in part to include 'bodies of water where light penetrates to the bottom of the waterbody', 'bodies of water shallow enough for rooted water plants to grow throughout', and 'bodies of water which lack wave action on the ...
Pond liners need to be protected from sharp objects (for example, stones) below the liner and from being punctured by any objects in the water body. Protection can be provided with layers of sand, geotextiles (particularly needle-punched nonwovens) and other materials. Pond liners are manufactured in rolls or accordion-folded on pallets.
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