What is the difference between check dams and small dams?
Answers
Answer:
Check dams as the name itself suggests , is the structure constructed across any river or stream to stop its flow.Stop dams are very small structures generally of 1 or 2 m height having limited storage,utility and purpose.
Conventional dams are huge structures having height 5 m to even 200 m and having multiple use like power generation, drinking water,irrigation,navigation,flood control or even tourism.
A check dam may cost Rs 50 Lakhs or so whereas a conventional dam may be of Rs 1000 crores or even more depending upon its size.
Answer:
Check dams as the name itself suggests , is the structure constructed across any river or stream to stop its flow.Stop dams are very small structures generally of 1 or 2 m height having limited storage,utility and purpose.
A series of small dams often result in more streamflow being diverted from the river than is the case with a large dam. However, small dams, properly designed, can have some attributes that large dams do not: They can be designed to bypass sediment reducing the impact on the stream regime