Cistern and Tunnel Pressures

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Cistern and Tunnel Pressures

In the Cappadocia Region of Turkey, troglodyte civilizations (people who lived in caves and worked underground) relied on cisterns and water tunnels for their drinking and irrigation water supply.

Tunnels cut within porous volcanic rocks in a valley provided irrigation. In addition to a continuous and controlled water supply and irrigation of the agricultural lands, an additional benefit for the effort to dig the tunnel was it decreased the surface water flow to widen the efficient agricultural lands in the valleys and protect the valleys from floods.

In “Water tunnels of Guvercinlink Valley (Cappadocia – Turkey),”  the authors observe that the main water channel that runs a total length of 3600 meters with 51 separate surface connections and several side tunnels is a “marvelous example of hydraulic engineering of Middle Ages or older times.”

Cisterns were dug in the cave cities for drinking water. One city, Derinkuyu, the largest of several underground cities in Cappadocia, is located near Nevsehir. The city is 280 feet deep, consists of 18 floors and dates back to Hittite (1700 to 1200 BC) times. With that depth, the water could be stored at a higher level providing easier access to the users.

Water Tunnels, Cappadocia, Turkey | Travel Awaits

Image source: Travel Awaits

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