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Persian qanats and Roman aqueducts

Persian qanats and Roman aqueducts. A short explanation and a comparisson by W.D. Schram MSc. Overview. Introduction on Roman aqueducts Introduction about Persian qanats Special topics Comparison. Aqueducts: basic elements. Aqueducts: tunnel. Note:

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Persian qanats and Roman aqueducts

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  1. Persian qanats and Roman aqueducts A short explanation and a comparisson by W.D. Schram MSc

  2. Overview • Introduction on Roman aqueducts • Introduction about Persian qanats • Special topics • Comparison Persian qanats and Roman aqueducts

  3. Aqueducts: basic elements Persian qanats and Roman aqueducts

  4. Aqueducts: tunnel Note: a masonry channel inside a tunnel (Cave de Curé, Gier aqueduct, Lyon, France) Persian qanats and Roman aqueducts

  5. Aqueducts: bridges The world known aqueduct bridge Pont du Gard, part of the aqueduct (50 km) of Nimes (France). Also represented on a banknote of 5 euro Persian qanats and Roman aqueducts

  6. Aqueducts: arcade Two (!) aqueduct channels (70 and 88 km long, mainly subterranean) on top of a series of arches (Rome, Italy) Persian qanats and Roman aqueducts

  7. The Roman empire Persian qanats and Roman aqueducts

  8. Aqueducts: some 750 Persian qanats and Roman aqueducts

  9. Aqueducts: the users Local fountain (Gerasa, Jordan) Baths (reconstruction) (Xanten, Germany) Persian qanats and Roman aqueducts

  10. Aqueducts: examples Tunnel and pipes Akcay tunnel (550 BCE) (Side, Turkey) (Samos, Greece) Water distribution (Pompeii, Italy) Persian qanats and Roman aqueducts

  11. Qanats: basic elements Persian qanats and Roman aqueducts

  12. Qanats: channel and shafts Qanat shaft (near Yazd) Shaft tops Persian qanats and Roman aqueducts

  13. Qanats: from the air Persepolis Persian qanats and Roman aqueducts

  14. Qanats: the users Place to scoop water Water distribution Persian qanats and Roman aqueducts

  15. Qanats: works of art Qanat bridge (Kharanaq, Yazd) Ice house (Yazd) Persian qanats and Roman aqueducts

  16. Qanats: distribution worldwide Persian qanats and Roman aqueducts

  17. Qanats: distribution 1 Persian qanats and Roman aqueducts

  18. Qanats: distribution 2 Tehran (ca 1960 CE) Isfahan (1942 CE) Persian qanats and Roman aqueducts

  19. Qanats: distribution 3 Tafilalt (Maroc) Qanats in Syria Persian qanats and Roman aqueducts

  20. Qanats: in Europe 1 Madrid (Spain) = Madjira = place of qanats Near Selb and Asch (Germany) Persian qanats and Roman aqueducts

  21. Qanats: in Europe 2 The qanat of Walferdange (Luxemburg) with stepped channel and access shafts Persian qanats and Roman aqueducts

  22. Qanats: construction Muqanni Clay rings for reinforcements Persian qanats and Roman aqueducts

  23. Storage Water storage site Entrance Persian qanats and Roman aqueducts

  24. Cooling Wind towers Technique Persian qanats and Roman aqueducts

  25. Ice house Meybod Cross-section Persian qanats and Roman aqueducts

  26. Subterrenean dam Dam in a qanat (Vazvan) Cross-section Persian qanats and Roman aqueducts

  27. Subterranean water mill Horizontal water wheel Persian qanats and Roman aqueducts

  28. Comparison 1 Persian qanats and Roman aqueducts

  29. Comparison 2 Persian qanats and Roman aqueducts

  30. Comparison 3 Persian qanats and Roman aqueducts

  31. Conclusions • Although there are similarities, qanats are quite different from roman aqueducts • Most striking: • the difference in the sources • qanat(s) are often the only source of water • Roman aqueducts are all out of use Persian qanats and Roman aqueducts

  32. Problems ?! Tehran (2009 CE) Nonius Datus (150 CE) (Saldae, Algeria) Persian qanats and Roman aqueducts

  33. Usefull websites • The International Center on Qanats and Historic Hydraulic Structures (ICQHS) in Yazd: http://www.icqhs.org/English/Default.aspx • The Water Museum in Yazd is part of the ICQHS • Youtube film about qanats: http://www.youtube.com/watch?v=ieBVMOPRYJ0 • Thank you Wilke Schram Persian qanats and Roman aqueducts

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