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Nissen-Petersen: sand dams vs subsurface dams

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Created on 21 July 2010
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Description

In this interview with TheWaterChannel Erik Nissen-Peter explains four different water harvesting techniques in a river bed which should be considered before the actual development: hand dug wells, subsurface dams, weirs and sand dams.
Erik Nissen-Petersen tells about the advantages of subsurface dams compared to sand dams.

More information: www.waterforaridland.com 
Produced by: TheWaterChannel
Year: 2010
Language: English 

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