Sand dams - A water solution for drylands areas - a webinar

10 December 2020 18:30-20:00, United Kingdom


Introduction
A sand dam is a reinforced stone masonry wall built across a seasonal sandy river. It has almost no maintenance costs and can last for upwards of 60 years (the oldest known in operation being over 100 years old). Water behind a sand dam wall is retained within a large mass of sand and this raises the water table in the surrounding area, which improves the soil, creating better conditions for crops and grazing. David Jodan will describe the way in which local communities have now become involved in constructing the dams and how they realise the water-saving potential of this established technology in countries with drylands, where water is scarce for many month of the year.
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United Kingdom

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RSC Marketing Group commitee
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