Question 1

This drainage pattern results when streams flow off a central peak or dome.

Accepted Answer

A) annular 
B) trellis 
C) radial 
D) rectangular 
E) deranged 
A) annular 
B) trellis 
C) radial 
D) rectangular 
E) deranged

Question 2

The total possible load a stream can transport is its____ ,whereas a stream's ability to move particles of specific size is its ____.

Accepted Answer

A) capacity;competence 
B) competence;capacity 
C) discharge;competence 
D) bed load;sediment load 
E) saltation;traction 
A) capacity;competence 
B) competence;capacity 
C) discharge;competence 
D) bed load;sediment load 
E) saltation;traction

Question 3

_____streams are not connected to groundwater systems and only flow after precipitation events.

Accepted Answer

A) Perennial 
B) Intermittent 
C) Ephemeral 
D) Temporary 
E) Exotic 
A) Perennial 
B) Intermittent 
C) Ephemeral 
D) Temporary 
E) Exotic

Question 4

Give the equation for stream discharge.What happens to stream velocity if discharge and depth remain the same,but width increases?

Accepted Answer

Q = wdv
where Q = discharge;w= channel w

Question 5

Erosion performed by flowing water alone is known as

Accepted Answer

A) sheetflow. 
B) saltation. 
C) weathering. 
D) abrasion. 
E) hydraulic action. 
A) sheetflow. 
B) saltation. 
C) weathering. 
D) abrasion. 
E) hydraulic action.

Question 6

Coarser particles generally settle out ___,while finer particles settle out____ .

Accepted Answer

A) closer to the mouth;closer to the headwaters 
B) along cutbanks;at point bars 
C) at point bars;along cutbanks 
D) closer to the mouth;not at all 
E) closer to the headwaters;closer to the mouth 
A) closer to the mouth;closer to the headwaters 
B) along cutbanks;at point bars 
C) at point bars;along cutbanks 
D) closer to the mouth;not at all 
E) closer to the headwaters;closer to the mouth

Question 7

The portion of each meandering curve subject to the slowest water velocity undergoes aggradation.This results in a(n)

Accepted Answer

A) meander scar. 
B) oxbow. 
C) cutback. 
D) neck. 
E) point bar. 
A) meander scar. 
B) oxbow. 
C) cutback. 
D) neck. 
E) point bar.

Question 8

Which of the following may act as a local base level?

Accepted Answer

A) a lake that a river flows into 
B) a drainage divide 
C) the upper surface of a waterfall 
D) an interfluve 
E) the headwaters 
A) a lake that a river flows into 
B) a drainage divide 
C) the upper surface of a waterfall 
D) an interfluve 
E) the headwaters

Question 9

On average,floods cause about _____in damage annually.

Accepted Answer

A) $12 million 
B) $100 million 
C) $700 million 
D) $950 million 
E) $6 billion 
A) $12 million 
B) $100 million 
C) $700 million 
D) $950 million 
E) $6 billion

Question 10

Hydraulic action is highest

Accepted Answer

A) near the surface in the middle of streams. 
B) in areas with low discharge. 
C) where flow is turbulent. 
D) within deep and wide channels. 
E) along slow moving currents. 
A) near the surface in the middle of streams. 
B) in areas with low discharge. 
C) where flow is turbulent. 
D) within deep and wide channels. 
E) along slow moving currents.

Question 11

Describe the common drainage patterns and the conditions that typically form them.

Accepted Answer

The common patterns are:
dendritic: This

Question 12

A stream that downcuts at the same rate as tectonic uplift,thereby maintaining its course is called a(n)

Accepted Answer

A) meandering stream. 
B) anabranching river. 
C) antecedent stream. 
D) rejuvenated river. 
E) graded stream. 
A) meandering stream. 
B) anabranching river. 
C) antecedent stream. 
D) rejuvenated river. 
E) graded stream.

Question 13

The main process contributing material in solution in sediment load is

Accepted Answer

A) physical weathering. 
B) chemical weathering. 
C) biological weathering. 
D) erosion. 
E) deposition. 
A) physical weathering. 
B) chemical weathering. 
C) biological weathering. 
D) erosion. 
E) deposition.

Question 14

Stream transport involves all of the following except

Accepted Answer

A) saltation. 
B) bed load. 
C) traction. 
D) sheetflow. 
E) suspended load. 
A) saltation. 
B) bed load. 
C) traction. 
D) sheetflow. 
E) suspended load.

Question 15

Turbulent flow is likely to be least in

Accepted Answer

A) channels with tree trunks and other obstacles. 
B) shallow streams with boulders. 
C) streams with high friction. 
D) deep,lowland rivers. 
E) along the rocky banks of a stream. 
A) channels with tree trunks and other obstacles. 
B) shallow streams with boulders. 
C) streams with high friction. 
D) deep,lowland rivers. 
E) along the rocky banks of a stream.

Question 16

A 50-year flood has an annual exceedance probability of

Accepted Answer

A) 2%. 
B) 5%. 
C) 10%. 
D) 25%. 
E) 50%. 
A) 2%. 
B) 5%. 
C) 10%. 
D) 25%. 
E) 50%.

Question 17

Describe the formation of deltas.

Accepted Answer

A river reaches base level at the mouth.

Question 18

If the load exceeds a stream's capacity,sediment accumulates in the bed in a process called

Accepted Answer

A) downcutting. 
B) degradation. 
C) aggradation. 
D) saltation. 
E) traction 
A) downcutting. 
B) degradation. 
C) aggradation. 
D) saltation. 
E) traction

Question 19

The area of land from which all water in it drains into the same place is known as a(n)

Accepted Answer

A) interfluve. 
B) watershed. 
C) drainage divide. 
D) fluvial unit. 
E) hydrologic unit. 
A) interfluve. 
B) watershed. 
C) drainage divide. 
D) fluvial unit. 
E) hydrologic unit.

Question 20

Which of the following is correct of the longitudinal profile of most rivers?

Accepted Answer

A) It always changes at a constant rate from the headwater region to the sea. 
B) It is convex in shape. 
C) It is concave in shape. 
D) It is gentle upstream and steep downstream. 
E) It is highest at the mouth and lowest at the headwaters. 
A) It always changes at a constant rate from the headwater region to the sea. 
B) It is convex in shape. 
C) It is concave in shape. 
D) It is gentle upstream and steep downstream. 
E) It is highest at the mouth and lowest at the headwaters.

This drainage pattern results when streams flow off a central peak or dome.

The total possible load a stream can transport is its ,whereas a stream's ability to move particles of specific size is its .

_____streams are not connected to groundwater systems and only flow after precipitation events.

Give the equation for stream discharge.What happens to stream velocity if discharge and depth remain the same,but width increases?

Erosion performed by flowing water alone is known as

Coarser particles generally settle out _,while finer particles settle out__ .

The portion of each meandering curve subject to the slowest water velocity undergoes aggradation.This results in a(n)

Which of the following may act as a local base level?

On average,floods cause about _____in damage annually.

Hydraulic action is highest

Describe the common drainage patterns and the conditions that typically form them.

A stream that downcuts at the same rate as tectonic uplift,thereby maintaining its course is called a(n)

The main process contributing material in solution in sediment load is

Stream transport involves all of the following except

Turbulent flow is likely to be least in

A 50-year flood has an annual exceedance probability of

Describe the formation of deltas.

If the load exceeds a stream's capacity,sediment accumulates in the bed in a process called

The area of land from which all water in it drains into the same place is known as a(n)

Which of the following is correct of the longitudinal profile of most rivers?

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The Dynamic Planet

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Weathering, Karst Landscapes, and Mass Movement

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Exam 14: River Systems

This drainage pattern results when streams flow off a central peak or dome.

The total possible load a stream can transport is its____ ,whereas a stream's ability to move particles of specific size is its ____.

_____streams are not connected to groundwater systems and only flow after precipitation events.

Give the equation for stream discharge.What happens to stream velocity if discharge and depth remain the same,but width increases?

Erosion performed by flowing water alone is known as

Coarser particles generally settle out ___,while finer particles settle out____ .

The portion of each meandering curve subject to the slowest water velocity undergoes aggradation.This results in a(n)

Which of the following may act as a local base level?

On average,floods cause about _____in damage annually.

Hydraulic action is highest

Describe the common drainage patterns and the conditions that typically form them.

A stream that downcuts at the same rate as tectonic uplift,thereby maintaining its course is called a(n)

The main process contributing material in solution in sediment load is

Stream transport involves all of the following except

Turbulent flow is likely to be least in

A 50-year flood has an annual exceedance probability of

Describe the formation of deltas.

If the load exceeds a stream's capacity,sediment accumulates in the bed in a process called

The area of land from which all water in it drains into the same place is known as a(n)

Which of the following is correct of the longitudinal profile of most rivers?

Essentials of Geography

Solar Energy to Earth and the Seasons

Earth’s Atmosphere

Atmospheric Energy and Global Temperatures

Atmospheric and Oceanic Circulations

Water and Atmospheric Moisture

Weather

Water Resources

Earth’s Climatic Regions

Climate Change

The Dynamic Planet

Tectonics, Earthquakes, and Volcanism

Weathering, Karst Landscapes, and Mass Movement

Aeolian Processes and Arid Landscapes

Oceans and Coastal Systems

Glacial Landscapes and the Cryosphere

The Geography of Soils

Ecosystem Essentials

Terrestrial Biomes

Filters

The total possible load a stream can transport is its ,whereas a stream's ability to move particles of specific size is its .

Coarser particles generally settle out _,while finer particles settle out__ .