River management

Question 1

What are the advantages of dams

Answer 1

Can be used to produce electricity by passing the water through a turbine within the dam. HEP ELEC

Reservoirs can attract tourists

control discharge of river preventing flooding

Question 2

what are the disadvantages of dams

Answer 2

High economic cost

displacement of people

affect migrating fish and destroy habitats

Question 3

what are the disadvantages of channel straightening

Answer 3

speeds up water velocity whch increase risk of flooding

expensive

looks unattractive

Question 4

what are the disadvantages of embankments and what are the advantages

Answer 4

expensive and look unattractive

increased capacity

Question 5

what is the disadvantages of flood relief channels

Answer 5

expensive
habitats disturbed
unattractive

Question 6

what are social engineering strategies

Answer 6

flood warnings
floodplain zoning
afforestation
river restoration

Question 7

what are the disadvantages of flood warning

Answer 7

need for monitoring equipment and people may not respond effectively

Question 8

what is the advantages of flood plain zoning

Answer 8

low cost
conserves river for wildlife
reduces incurance costs