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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 A short explanation and a comparisson by W.D. Schram MSc
Overview • Introduction on Roman aqueducts • Introduction about Persian qanats • Special topics • Comparison Persian qanats and Roman aqueducts
Aqueducts: basic elements Persian qanats and Roman aqueducts
Aqueducts: tunnel Note: a masonry channel inside a tunnel (Cave de Curé, Gier aqueduct, Lyon, France) Persian qanats and Roman aqueducts
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
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
The Roman empire Persian qanats and Roman aqueducts
Aqueducts: some 750 Persian qanats and Roman aqueducts
Aqueducts: the users Local fountain (Gerasa, Jordan) Baths (reconstruction) (Xanten, Germany) Persian qanats and Roman aqueducts
Aqueducts: examples Tunnel and pipes Akcay tunnel (550 BCE) (Side, Turkey) (Samos, Greece) Water distribution (Pompeii, Italy) Persian qanats and Roman aqueducts
Qanats: basic elements Persian qanats and Roman aqueducts
Qanats: channel and shafts Qanat shaft (near Yazd) Shaft tops Persian qanats and Roman aqueducts
Qanats: from the air Persepolis Persian qanats and Roman aqueducts
Qanats: the users Place to scoop water Water distribution Persian qanats and Roman aqueducts
Qanats: works of art Qanat bridge (Kharanaq, Yazd) Ice house (Yazd) Persian qanats and Roman aqueducts
Qanats: distribution worldwide Persian qanats and Roman aqueducts
Qanats: distribution 1 Persian qanats and Roman aqueducts
Qanats: distribution 2 Tehran (ca 1960 CE) Isfahan (1942 CE) Persian qanats and Roman aqueducts
Qanats: distribution 3 Tafilalt (Maroc) Qanats in Syria Persian qanats and Roman aqueducts
Qanats: in Europe 1 Madrid (Spain) = Madjira = place of qanats Near Selb and Asch (Germany) Persian qanats and Roman aqueducts
Qanats: in Europe 2 The qanat of Walferdange (Luxemburg) with stepped channel and access shafts Persian qanats and Roman aqueducts
Qanats: construction Muqanni Clay rings for reinforcements Persian qanats and Roman aqueducts
Storage Water storage site Entrance Persian qanats and Roman aqueducts
Cooling Wind towers Technique Persian qanats and Roman aqueducts
Ice house Meybod Cross-section Persian qanats and Roman aqueducts
Subterrenean dam Dam in a qanat (Vazvan) Cross-section Persian qanats and Roman aqueducts
Subterranean water mill Horizontal water wheel Persian qanats and Roman aqueducts
Comparison 1 Persian qanats and Roman aqueducts
Comparison 2 Persian qanats and Roman aqueducts
Comparison 3 Persian qanats and Roman aqueducts
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
Problems ?! Tehran (2009 CE) Nonius Datus (150 CE) (Saldae, Algeria) Persian qanats and Roman aqueducts
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