Narrow River Valleys
Wide River Valleys
Flood and Flood Plains
Other Effects of Rivers
100
Rivers characteristics depend on the ____________ they flow through.
What is landscape?
100
The base level for most rivers.
What is sea level?
100
A river overflowing its channel.
What is flood?
100
Caused of most floods.
What is heavy rainfall?
200
Rivers carry _________ that helps erode the land under them.
What is sediment.
200
A low, flat area land that floods regularly in a river valley.
What is flood plain?
200
Volume of water flowing past a pint in a river during a given time.
What is discharge?
200
Desert streams that flow after quick bursts of heavy rain.
What is an arroyo?
300
Rivers that flow through valleys have a steep __________.
What is gradient?
300
Wide curves formed by old rivers across a flood plain.
What is meanders?
300
Land on both sides of a stream.
What is stream banks?
300
Where flash flood are more likely to occur.
What is streams that flow through narrow mountain valleys?
400
The bed over which the river flows.
What is channel?
400
Rivers that flow through flood plains often change _______.
What is course.
400
Structures build on flood plains to control floodwaters.
What is dams and artificial levees?
400
Narrow channels, acting like a nozzle, affect the ______________ of the flow.
What is speed?
500
Rivers carry sediment in three ways: (name them)
What is dissolved in water, carried by the water, or pushed or bounced along the river bottom.
500
Landforms made by the sediment dropped by the water of the river where it slows down.
What is deltas, naturales levees, and flood plains?
500
Artificial levees are designed to keep flood water's in the _____________.
What is river's main channel?
500
Definition of alluvial.
What is the fanlike piles of sediment dropped by rivers when they burst out of a canyon.
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