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Line 72: − − ==External References== − [http://www.fao.org/docrep/006/ad082e/AD082e02.htm Food and Agriculture Organization (FAO) Conservation Guide of the United Nations] − − [[Category:Calculations]]
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So the four check dams will be 0.6 m high and spaced every 8.4 m along the swale. These are fairly close together, but this construction is achievable and the dimensions are not remarkable, given the change in gradient is an order of magnitude.
So the four check dams will be 0.6 m high and spaced every 8.4 m along the swale. These are fairly close together, but this construction is achievable and the dimensions are not remarkable, given the change in gradient is an order of magnitude.