Exam 14: Floods and Human Interactions

A dam built to store water for irrigation may lead to high reservoir levels behind the dam and too little remaining water storage in the reservoir to prevent downstream flooding during high rainfall or snowmelt.

Wing dams are used to constrict river channels to increase river depth for barge traffic during low flow.

A(n) _______________ is a permeable structure meant to trap debris flows.

A structure that allows for controlled release of water from a levee is known as a(n) _______________.

Which is NOT a type of early warning system for debris flows?

Why is living on a floodplain behind a levee safe from flooding?

In which logging method are felled trees skidded downslope to be loaded on trucks?

U.S. taxpayers pay the cost of any loss under the federal flood insurance program.

Which is NOT an unintended consequence of building an artificial levee?

When a large flood first breaches a levee, what are the characteristics of the water crossing the breach?

Although a levee may be initially of sufficient height to constrain a 100-year flood, the stream will eventually _______________ the levee in a larger flood.

What do rivers continually strive to do?

How does streambed mining affect a stream?

Which event did NOT occur during and after the flooding of the Cumberland River near Nashville in the spring of 2010?

Building on the outside bend of a meander is the best location to reduce the possibility of bank erosion during a flood.

Water _______________ cm deep and above the vehicle floorboards can push a vehicle off the road and potentially drown the occupants.

How does vegetation removal affect the contribution of sediment to streams?

Flood insurance is provided by the _______________.

The growth of _______________ is a major problem in buildings that have been flooded.

The 10-m high Hope Mills Dam in _______________ failed twice, once in 2003 and once in 2010.