Monday, August 20, 2012

Ice Stupas

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Can ice stupas solve the water crisis in the Himalayan Desert? - BBC > .
23-8-21 India’s HUGE water problem will cause a HUGE migration problem - GG > .
Artificial Glacier | Ice Stupa | Sonam Wangchuk | Ladakh > .

Ice stupas can release millions of litres of water each year. They are built next to where water is needed most - on the outskirts of villages near fields. Ice stupas were invented in 2013 by Sonam Wangchuk, a prominent Indian engineer who also co-founded the Himalayan Institute of Alternatives - the organisation is primarily responsible for the development of the technology, alongside the Students' Educational and Cultural Movement of Ladakh.

They are used for storing the wasted water as ice during the winter months, which then melts for use during the arid months. Pipes are initially buried under the ground, below the frost line, before the final section of the pipe then rises vertically. Due to the difference in height, temperature, and the gravitational force, pressure builds up in the pipe. The stream water eventually flows up and out from the pipe's raised tip like a fountain. The sub-zero air freezes the water to gradually form a pyramid-like structure.



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