Question

what are check dams? give short answer.​

Answer 1

What are check dams?

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.

Check dams themselves are not a type of new technology; rather, they are an ancient technique dating from the second century A.D.

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Answer 2

Step-by-step explanation:

Check dams" are small barriers built across the direction of water flow on shallow rivers and streams for the purpose of water harvesting. The small dams retain excess water flow during monsoon rains in a small catchment area behind the structure.