What are check dams what is its significance?
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A check dam is a small, sometimes temporary, dam constructed across a swale, drainage ditch, or waterway to counteract erosion by reducing water flow velocity
Inexpensive and easy to install.
Reduce velocity and may provide aeration of the water.
Check dams prevent gully erosion from occurring before vegetation is established, and also cause a high proportion of the sediment load in runoff to settle out.
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