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Seawater greenhouse

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Seawater greenhouse

Charlie Paton's business Light Works Ltd, currently known as the Seawater Greenhouse Ltd, began studying and developing the seawater greenhouse idea in 1991. On the Canary Island of Tenerife, the first pilot project was started in 1992 by Charlie Paton and Philip Davies. A 360 m2 seawater greenhouse prototype was built on the Tenerife site using parts assembled in the UK. The temperate plants that were successfully grown were lettuce, tomatoes, spinach, dwarf peas, peppers, artichokes, and French beans.

In 2000, the second pilot design was put into place on the Al-Aryam Island coast in Abu Dhabi, United Arab Emirates. A multi-span polytunnel-like light steel structure, the design is completely solar-powered. The installation of a pipe array enhances the greenhouse's architecture by lowering the temperature and boosting freshwater production. With an area of 864 m2 and a daily water production of 1 m3, the greenhouse almost completely satisfies the crop's irrigation needs.

The third experimental seawater greenhouse, measuring 864 square meters, is located close to Muscat in Oman and generates 0.3 to 0.6 m3 of freshwater daily. A relationship between Sultan Qaboos University and this initiative was developed. On the Batinah shore, it offers a chance to create a sustainable horticulture industry. These initiatives have made it possible to validate a thermodynamic simulation model, which, given the right climatic information, precisely predicts and quantifies the performance of the seawater greenhouse in other regions of the world.

The fourth project is a commercial installation that was put in place in 2010 in Port Augusta, Australia. It has been further extended and is now a 20-hectare marine greenhouse owned and operated by Sun-drop Farms. The fifth design was built at Berbera, Somalia, in 2017. Through the use of sophisticated greenhouse modeling techniques, the design was examined for simplicity and cost effectiveness. This design has a shade mechanism that keeps the main evaporative cooling components.

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