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A satellite image of circular fields characteristic of center pivot irrigation, Kansas Farmland with circular pivot irrigation. Center-pivot irrigation (sometimes called central pivot irrigation), also called water-wheel and circle irrigation, is a method of crop irrigation in which equipment rotates around a pivot and crops are watered with sprinklers.
Dethridge wheel in 1936 – Victoria Australia. The Dethridge wheel is an irrigation tool that was invented in 1910 by John Stewart Dethridge (1865–1926). [1] It works in a similar way to a traditional water wheel and rotates as water passes through its vanes. The rotations are then measured [2]
The Norias of Hama (Arabic: نواعير حماة) are a series of 17 norias, historic water-raising machines for irrigation, along the Orontes River in the city of Hama, Syria. They are tall water wheels with box-like water collection compartments embedded around their rims. As the river flows, it pushes these water collection boxes under ...
The Ancient Nubians developed the saqiya to improve irrigation during the Meroitic period. The introduction of this machine had a decisive influence on agriculture as this wheel lifted water 3 to 8 metres with much less labour force and time than the Shaduf, which was the previous irrigation device in the Kingdom.
A water wheel is a machine for converting the kinetic energy of flowing or falling water into useful forms of power, often in a watermill. A water wheel consists of a large wheel (usually constructed from wood or metal), with numerous blades or buckets attached to the outer rim forming the drive mechanism. Water wheels were still in commercial ...
The norias of Hama on the Orontes River in Syria ().. A noria (Arabic: ناعورة, nā‘ūra, plural نواعير nawāʿīr, from Syriac: ܢܥܘܪܐ, nā‘orā, lit. "growler") is a hydropowered scoop wheel used to lift water into a small aqueduct, either for the purpose of irrigation or to supply water to cities and villages.