Erik Nissen Petersen has written two new articles on sand storage dams and subsurface dams! The articles can be downloaded from the links below:

Sand dams or silt traps?

Subsurface dams built of soil

 

Erik is the author of several very practical manuals and publications focussing on water supply in arid lands (free downloads from: http://waterforaridland.com/index.php?option=com_arid&view=list&Itemid=3). Highly recommended!

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