The IBTS (“Integrated Biotectural System")-greenhouse is a biotectural, urban development project suited for hot arid deserts. It was part of the Egyptian strategy for the afforestation of desert lands from 2011 until spring of 2015, when geopolitical changes like the Islamic State of Iraq and the Levant – Sinai Province in Egypt forced the project to a halt. The project begun in spring 2007 as an academic study in urban development and desert greening. It was further developed by N. Berdellé and D. Voelker as a private project until 2011. Afterwards LivingDesert Group including Prof. Abdel Ghany El Gindy and Dr. Mosaad Kotb from the Central Laboratory for Agricultural Climate in Egypt, Forestry Scientist Hany El-Kateb, Agroecologist Wil van Eijsden and Permacultureist Sepp Holzer was crea
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| - The IBTS (“Integrated Biotectural System")-greenhouse is a biotectural, urban development project suited for hot arid deserts. It was part of the Egyptian strategy for the afforestation of desert lands from 2011 until spring of 2015, when geopolitical changes like the Islamic State of Iraq and the Levant – Sinai Province in Egypt forced the project to a halt. The project begun in spring 2007 as an academic study in urban development and desert greening. It was further developed by N. Berdellé and D. Voelker as a private project until 2011. Afterwards LivingDesert Group including Prof. Abdel Ghany El Gindy and Dr. Mosaad Kotb from the Central Laboratory for Agricultural Climate in Egypt, Forestry Scientist Hany El-Kateb, Agroecologist Wil van Eijsden and Permacultureist Sepp Holzer was crea (en)
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| - The IBTS (“Integrated Biotectural System")-greenhouse is a biotectural, urban development project suited for hot arid deserts. It was part of the Egyptian strategy for the afforestation of desert lands from 2011 until spring of 2015, when geopolitical changes like the Islamic State of Iraq and the Levant – Sinai Province in Egypt forced the project to a halt. The project begun in spring 2007 as an academic study in urban development and desert greening. It was further developed by N. Berdellé and D. Voelker as a private project until 2011. Afterwards LivingDesert Group including Prof. Abdel Ghany El Gindy and Dr. Mosaad Kotb from the Central Laboratory for Agricultural Climate in Egypt, Forestry Scientist Hany El-Kateb, Agroecologist Wil van Eijsden and Permacultureist Sepp Holzer was created to introduce the finished project in Egypt. The IBTS Greenhouse, together with the programme for the afforestation of desert lands in Egypt, became part of relocation strategies. These play a role in Egypt as urbanization of the Nile Delta is a problem for the agricultural sector and because of infrastructural problems like traffic congestion in Cairo. The IBTS features sea-water farming but inside a large greenhouse. All of the evaporated water can thus be harvested. The generation of liquid water from the atmosphere inside the IBTS requires large amounts of cooling power. This is done with the incoming sea-water. Thus the cooling requirement and the cooling power are always balanced. The IBTS relies on a new quality of systems integration including architectural, technological and natural elements. It combines food production and residence, as well as desalination of sea water, or brackish groundwater. A CAE demonstration project using real weather-, soil and economic conditions proved feasibility under hyperarid conditions. The relevance of the IBTS is its capacity for water Desalination with an efficiency of 0.45kwh per cubic metre of distillate. This is because operational cost for Desalination utilities far outweigh initial building cost over time. Also because the energy requirement for Desalination plants reach up into the GigaWatt region. The dependence on large amounts of fossil energy leaves water provision from industrial plants insecure. Through the high efficiency, Desalination has become financially and ecologically viable for large scale agriculture, forestry and aquaculture. Another point of relevance is the creation of a bio-diverse landscape and many jobs instead of smoking chimneys and factories along the valuable waterfront.Particular relevance also lies in the applicability inland, also that would exclude the high Desalination capacity. The building has its roots in construction engineering and construction physics in contrast to food production as it is for most greenhouses. It is fundamentally different from the seawater greenhouses. It differs for its performance in desalination. Alternative desalination-technologies, air-to-water utilities and desalination-greenhouses in testing, require a multiple of the energy for fresh-water production. The significance of the term Integration lies within the efficiency that systems integration can achieve, by imitation of natural systems, especially closed cycles. The establishment of closed watercycles being the most crucial of all, because of the increasing severity of the Global Water crisis particularly in hot desert climates. The industrial-scale desalination is bound to hot climates because it requires high amounts of solar thermal power. It has turned out to be suitable in mitigation of the sinking of water tables in agricultural areas of the MENA region and beyond. In future versions the IBTS can be deployed in cold climates using extra heat energy sources like compact fusion, or small modular reactors. (en)
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