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Water Portal / Rainwater Harvesting / Groundwater recharge / Gabions

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[[Image:gabions icon.png|right|80px]]

[[Image:gabionStructure.jpg|thumb|right|200px|Gabion structure in a stream bed. Photo: SAI.]]

__NOTOC__ <small-title />A '''gabion ''' is semi permeable barrier, made of boulders in a mesh of steel wires and anchored to the stream bank, to slow but not stop, the flow of storm water in a small watercourse so to favour water infiltration to groundwater and help prevent soil erosion.

The height of such structures is around 0.5 m and 1m wide, and is normally used in the streams with width of less than 10 m.

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