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Check dams

42 bytes added, 2 years ago
Sizing and spacing of check dams
*''S<sub>i</sub>'': Initial existing slope ratio of the swale (rise/run)
*''S<sub>e</sub>'': Desired effective slope of the enhanced swale (between 0.005 - 0.01, rise/run)
*''h'': The average effective height of the check dams in m (excluding foundations)}}(suggest you use ''y'', calculated above)
*The first check dam should be constructed on a stable point in the gully such as a rock outcrop, the junction point of the gully to a road, the main stream or river, lake or reservoir.

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