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Multiple Choice Quiz
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To help you master concepts from Chapter 10 (Streams and Floods), take this sample examination. Try it with one of your classmates - see who can do better.

The total area drained by a stream and its tributaries is called the:
A)hydrologic cycle
C)tributary area
D)drainage basin
Stream erosion and deposition are controlled primarily by a river's:
C)channel shape
The transfer of water among various reservoirs in the Earth system is:
A)the hydrologic cycle
B)hydrologic transfer mechanism
C)water table
D)none of these
The headwaters of a stream are always located:
A)at the terminus of the stream where it enters another body of water
B)at the source of the stream
C)along the longitudinal profile of the stream
D)all of these
The largest drainage basin in the continental United States is:
A)The Missouri River drainage basin
B)The Columbia River drainage basin
C)The Arkansas River drainage basin
D)The Mississippi River drainage basin
A stream's discharge is:
A)the volume of water passing a fixed point per unit time
B)the product of a stream's velocity and channel cross-sectional area
C)influenced by channel width and depth, stream gradient, channel shape, and channel roughness
D)all of these
The gradient of a stream that drops 10 feet over a horizontal distance of two miles is:
A)20 feet per mile
B)10 feet per mile
C)5 feet per mile
D)2.5 feet per mile
In the United States, the standard unit of discharge used by the United States Geological Survey Water Resources Division is:
A)cubic meters per second
B)liters per minute
C)cubic feet per second
D)meters per second
Hydraulic action, solution, and abrasion are all examples of:
A)stream erosion
B)stream deposition
C)stream transportation
D)stream discharge
Cobble-sized particles are most likely to be transported as part of a stream's:
A)suspended load
B)bed load
C)dissolved load
D)Cobbles are too large to be transported by streams
Sand bars deposited on the inner curve of a stream meander are called:
B)meander bars
C)quick sands
D)point bars
Which of the following is not a drainage pattern:
D)all of these describe drainage patterns
A wedge-shaped mass of sediment deposited by a stream into a body of water is called:
A)an alluvial fan
B)a submarine fan
C)a delta
D)none of these
The average time between floods of a given magnitude is:
A)the flood stage
B)the flood recurrence interval
C)the flood frequency
D)the flood incidence
By definition, a flood is:
A)an interval of time during which stream discharge exceeds the capacity of the stream channel
B)an interval of time during which stream velocity increases its discharge
C)an interval of time during which a stream occupies its flood plain
D)none of these is an adequate definition of a flood
In urban areas, floods often become more frequent because:
A)extensive pavement limits infiltration to soils
B)extensive pavement increases runoff to streams
C)storm sewers conduct runoff more efficiently to streams
D)all of these contribute to increase flooding in urban areas
A particular stream has a 47-year record of peak discharges available on the Internet. What is the recurrence interval of the 4th-ranked flood in this record?
A)12 years
B)188 years
C)10.75 years
D)4 times every 100 years
Methods that have been used to control damage from floods include:
A)relocating entire communities out of flood plains
B)construction of dams along streams
C)construction of levees and flood walls along streams
D)all of these
Base level is:
A)the level associated with the base of a river channel
B)the normal elevation of a reservoir
C)the level above which flood waters will not rise
D)the level below which streams will not erode
Besides Earth, what other planets show evidence of stream erosion?

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