Question 1

In most river basins in humid regions,where is discharge highest?

Accepted Answer

A) Upstream. 
B) Downstream. 
C) Midstream. 
D) At the headwaters. 
A) Upstream. 
B) Downstream. 
C) Midstream. 
D) At the headwaters.

Question 2

Which is a drainage divide that separates drainage basins that empty into different bodies of water surrounding a continent?

Accepted Answer

A) Catchments. 
B) Deltas. 
C) Continental divides. 
D) Interfluves. 
A) Catchments. 
B) Deltas. 
C) Continental divides. 
D) Interfluves.

Question 3

Which is typical of a rejuvenated system?

Accepted Answer

A) Entrenched meanders,oxbow lakes,increased downcutting. 
B) Oxbow lakes,increased downcutting,terraces. 
C) Terraces,entrenched meanders,oxbow lakes. 
D) Entrenched meanders,increased downcutting,and terraces. 
A) Entrenched meanders,oxbow lakes,increased downcutting. 
B) Oxbow lakes,increased downcutting,terraces. 
C) Terraces,entrenched meanders,oxbow lakes. 
D) Entrenched meanders,increased downcutting,and terraces.

Question 4

A graded stream is one that has achieved a dynamic equilibrium between degradation and aggradation.

Accepted Answer

A) True 
 B)False

Question 5

Describe the formation and typical characteristics of a floodplain.

Accepted Answer

A floodplain is the flat,low-lying area

Question 6

The construction of levees can actually increase the risk of a catastrophic flood.

Accepted Answer

A) True 
 B)False

Question 7

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

Accepted Answer

The seven common patterns (students can

Question 8

Which is the drainage pattern associated with faulted and jointed landscapes that direct stream courses in patterns of right-angle turns?

Accepted Answer

A) Radial. 
B) Rectangular. 
C) Trellis. 
D) Dendritic. 
A) Radial. 
B) Rectangular. 
C) Trellis. 
D) Dendritic.

Question 9

Which of the following inhibits delta formation?

Accepted Answer

A) Strong ocean currents. 
B) Shallow ocean water along the coast. 
C) A lack of reservoirs upstream. 
D) A large sediment load. 
A) Strong ocean currents. 
B) Shallow ocean water along the coast. 
C) A lack of reservoirs upstream. 
D) A large sediment load.

Question 10

If a stream originates in a humid region,but subsequently flows through an arid region,discharge is likely highest where?

Accepted Answer

A) Upstream. 
B) Downstream. 
C) Midstream. 
D) At an estuary or confluence with another stream. 
A) Upstream. 
B) Downstream. 
C) Midstream. 
D) At an estuary or confluence with another stream.

Question 11

In most rivers in humid regions,discharge increases downstream.

Accepted Answer

A) True 
 B)False

Question 12

Floodplain formation occurs while a stream is downcutting rapidly.

Accepted Answer

A) True 
 B)False

Question 13

Drainage divides control into which basin surface runoff drains.

Accepted Answer

A) True 
 B)False

Question 14

Which best describes the downstream portion of a river?

Accepted Answer

A) It generally becomes more sluggish. 
B) It generally is of higher velocity,although it is masked by reduced turbulence. 
C) It features greater hydraulic action than do upstream portions. 
D) It has lower discharges than do upstream portions. 
A) It generally becomes more sluggish. 
B) It generally is of higher velocity,although it is masked by reduced turbulence. 
C) It features greater hydraulic action than do upstream portions. 
D) It has lower discharges than do upstream portions.

Question 15

Flood control often produces conditions of worse flooding in subsequent high-water events.

Accepted Answer

A) True 
 B)False

Question 16

Which streams are disconnected from groundwater systems and only flow after precipitation events?

Accepted Answer

A) Perennial. 
B) Intermittent. 
C) Ephemeral. 
D) Temporary. 
A) Perennial. 
B) Intermittent. 
C) Ephemeral. 
D) Temporary.

Question 17

Which of the following lists of processes are in the correct sequence as to their occurrence in nature?

Accepted Answer

A) Deposition,erosion,transport,weathering. 
B) Weathering,erosion,deposition,transport. 
C) Weathering,deposition,erosion,transport. 
D) Weathering,erosion,transport,deposition. 
A) Deposition,erosion,transport,weathering. 
B) Weathering,erosion,deposition,transport. 
C) Weathering,deposition,erosion,transport. 
D) Weathering,erosion,transport,deposition.

Question 18

Describe the common stream channel patterns.

Accepted Answer

braided stream: a maze of interconnected

Question 19

Which is the ultimate base level?

Accepted Answer

A) A drainage divide. 
B) A dam. 
C) Sea level. 
D) Dependent on the geological substrate. 
A) A drainage divide. 
B) A dam. 
C) Sea level. 
D) Dependent on the geological substrate.

Question 20

A 50-year flood has an annual exceedance probability of which of the following?

Accepted Answer

A) 0)5%. 
B) 5%. 
C) 25%. 
D) 50%. 
A) 0)5%. 
B) 5%. 
C) 25%. 
D) 50%.

In most river basins in humid regions,where is discharge highest?

Which is a drainage divide that separates drainage basins that empty into different bodies of water surrounding a continent?

Which is typical of a rejuvenated system?

A graded stream is one that has achieved a dynamic equilibrium between degradation and aggradation.

Describe the formation and typical characteristics of a floodplain.

The construction of levees can actually increase the risk of a catastrophic flood.

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

Which is the drainage pattern associated with faulted and jointed landscapes that direct stream courses in patterns of right-angle turns?

Which of the following inhibits delta formation?

If a stream originates in a humid region,but subsequently flows through an arid region,discharge is likely highest where?

In most rivers in humid regions,discharge increases downstream.

Floodplain formation occurs while a stream is downcutting rapidly.

Drainage divides control into which basin surface runoff drains.

Which best describes the downstream portion of a river?

Flood control often produces conditions of worse flooding in subsequent high-water events.

Which streams are disconnected from groundwater systems and only flow after precipitation events?

Which of the following lists of processes are in the correct sequence as to their occurrence in nature?

Describe the common stream channel patterns.

Which is the ultimate base level?

A 50-year flood has an annual exceedance probability of which of the following?

Essentials of Geography

Solar Energy to Earth and the Seasons

Earths Modern Atmosphere

Atmosphere and Surface Energy Balances

Global Temperatures

Atmospheric and Oceanic Circulations

Water and Atmospheric Moisture

Weather

Water Resources

Global Climate Systems

Climate Change

The Dynamic Planet

Tectonics, earthquakes, and Volcanism

Weathering, karst Landscapes, and Mass Movement

Oceans, coastal Processes, and Wind Processes

Glacial and Periglacial Landscapes

The Geography of Soils

Ecosystem Essentials

Terrestrial Biomes

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Exam 15: River Systems

In most river basins in humid regions,where is discharge highest?

Which is a drainage divide that separates drainage basins that empty into different bodies of water surrounding a continent?

Which is typical of a rejuvenated system?

A graded stream is one that has achieved a dynamic equilibrium between degradation and aggradation.

Describe the formation and typical characteristics of a floodplain.

The construction of levees can actually increase the risk of a catastrophic flood.

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

Which is the drainage pattern associated with faulted and jointed landscapes that direct stream courses in patterns of right-angle turns?

Which of the following inhibits delta formation?

If a stream originates in a humid region,but subsequently flows through an arid region,discharge is likely highest where?

In most rivers in humid regions,discharge increases downstream.

Floodplain formation occurs while a stream is downcutting rapidly.

Drainage divides control into which basin surface runoff drains.

Which best describes the downstream portion of a river?

Flood control often produces conditions of worse flooding in subsequent high-water events.

Which streams are disconnected from groundwater systems and only flow after precipitation events?

Which of the following lists of processes are in the correct sequence as to their occurrence in nature?

Describe the common stream channel patterns.

Which is the ultimate base level?

A 50-year flood has an annual exceedance probability of which of the following?

Essentials of Geography

Solar Energy to Earth and the Seasons

Earths Modern Atmosphere

Atmosphere and Surface Energy Balances

Global Temperatures

Atmospheric and Oceanic Circulations

Water and Atmospheric Moisture

Weather

Water Resources

Global Climate Systems

Climate Change

The Dynamic Planet

Tectonics, earthquakes, and Volcanism

Weathering, karst Landscapes, and Mass Movement

Oceans, coastal Processes, and Wind Processes

Glacial and Periglacial Landscapes

The Geography of Soils

Ecosystem Essentials

Terrestrial Biomes

Filters